{ "schema": "whattobuyfor/v1", "type": "situation", "url": "https://whattobuyfor.co.uk/a-first-aquarium/", "json": "https://whattobuyfor.co.uk/a-first-aquarium.json", "publisher": "What to Buy For", "method": "https://whattobuyfor.co.uk/how-we-build-a-basket/", "pricesAsOf": "2026-09-28T07:19:34.388Z", "priceNote": "Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk at the time of purchase will apply to the purchase of this product.", "affiliateDisclosure": "Links to Amazon are affiliate links. As an Amazon Associate we earn from qualifying purchases.", "title": "What to buy for a first aquarium", "section": "pets", "answer": "Ten things for a first tropical freshwater tank: eight to set it up and cycle it for at least two weeks with no fish, and two for the day the fish arrive. The fish themselves, and fish medicines, are not included.", "published": "2026-09-28", "updated": "2026-09-28", "noindex": false, "whyThisBasket": [ "Built from the RSPCA's fish tank advice and OATA's freshwater set-up care sheet, including OATA's shopping list.", "Cycling comes first. The RSPCA says it takes at least two weeks, so everything except the net and the food is bought before any fish.", "The tank is a kit with the filter, heater and light included, which OATA says branded sets often are. Check the heater has a thermostat: the RSPCA says every heater must.", "Water testing is not optional: the RSPCA calls ammonia and nitrite kits essential, and OATA calls test kits a necessity." ], "basket": [ { "id": "set-up", "label": "Set up and cycle, before any fish", "intro": "Allow at least two weeks, and test every other day.", "countsTowardTotal": true, "roles": [ { "role": "A tank of 40 litres or more, with filter and heater", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-tank", "quantity": "1", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B0CST7YYLZ", "name": "Swell Aquarium 60cm Tropical Freshwater LED Fish Tank", "amazonTitle": "Swell Aquarium 60cm Tropical Freshwater LED Fish Tank Kit 54ltrs", "brand": "Swell UK", "image": "https://m.media-amazon.com/images/I/41tSn1tRgJL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B0CST7YYLZ", "data": "https://whattobuyfor.co.uk/products/B0CST7YYLZ.json", "price": { "amount": 99.99, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": null, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:14.049Z", "rating": 4.1, "ratings": 137, "boughtLastMonth": null, "categoryRank": { "position": 5, "category": "Aquariums Starter Kits" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 8, "readOn": "2026-09-27", "like": [ { "text": "A good-value starter kit that suits beginners", "count": 4 }, { "text": "The tank itself feels solid and well made", "count": 2 } ], "watchOutFor": [ { "text": "Several tanks arrived broken or leaked soon after, so check it first", "count": 3 } ] }, "ourName": "Swell 60cm tropical tank kit, 54L", "ourTake": "The RSPCA says to get a tank larger than 45 x 30 x 30 cm, about 40 litres, as bigger volumes stay more stable. This 60cm kit holds 54 litres with a filter, heater and LED light, the listing says. Buyers report some cracked or leaking tanks, so fill it and wait a day before setting up. Stand it on a strong, level base, away from windows and radiators." }, "budget": null, "upgrade": null, "sources": [ { "name": "RSPCA: fish tank environment and water quality", "url": "https://www.rspca.org.uk/adviceandwelfare/pets/fish/environment", "checked": "2026-09-26" }, { "name": "OATA: how to set up and look after a freshwater tank", "url": "https://ornamentalfish.org/what-we-do/advice-information/care-sheets/caresheets-tropical-freshwater-fish/how-to-set-up-and-look-after-a-freshwater-tank-aquarium/", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] }, { "role": "A digital thermometer", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-thermometer", "quantity": "1", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B0D8W8HG3F", "name": "QZQ Fish Tank Thermometer Aquarium Thermometer Digital Wireless", "amazonTitle": "QZQ Fish Tank Thermometer Aquarium Thermometer Digital Wireless Touch Stick LED Display ±1°C for Monitoring The Fish Tank Aquarium Temperature Accessories", "brand": "QZQ", "image": "https://m.media-amazon.com/images/I/41rhvHQPkpL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B0D8W8HG3F", "data": "https://whattobuyfor.co.uk/products/B0D8W8HG3F.json", "price": { "amount": 5.86, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": null, "signal": { "label": "Limited time deal", "note": null, "basis": "Amazon deal badge" }, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:17.090Z", "rating": 4.4, "ratings": 1048, "boughtLastMonth": "1K+", "categoryRank": { "position": 1, "category": "Aquarium Thermometers" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 13, "readOn": "2026-09-27", "like": [ { "text": "The display is clear and easy to read on the tank", "count": 6 }, { "text": "Readings agree with other thermometers when checked", "count": 7 }, { "text": "Sticks firmly to the glass, so pick the spot before pressing", "count": 3 } ], "watchOutFor": [ { "text": "Some units read wrong at first, so check against another thermometer", "count": 2 } ] }, "ourName": "QZQ digital aquarium thermometer", "ourTake": "Heaters and thermostats can fail, the RSPCA says, so use a digital thermometer and check the temperature every day. This one sticks to the outside of the glass below the waterline, with a battery included, the listing says. A few buyers found theirs read wrong, so check it against the kit's stick-on strip in the first week." }, "budget": null, "upgrade": null, "sources": [ { "name": "RSPCA: fish tank environment and water quality", "url": "https://www.rspca.org.uk/adviceandwelfare/pets/fish/environment", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] }, { "role": "Tap water conditioner", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-dechlorinator", "quantity": "1 bottle", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B01M309GCT", "name": "AQUARIAN Tap Water Safe Fish Aquarium Water Conditioner", "amazonTitle": "AQUARIAN Tap Water Safe Fish Aquarium Water Conditioner, 118 ml Bottle", "brand": "AQUARIAN", "image": "https://m.media-amazon.com/images/I/41FvnwOl7TL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B01M309GCT", "data": "https://whattobuyfor.co.uk/products/B01M309GCT.json", "price": { "amount": 2.38, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": { "amount": 2.14, "currency": "GBP" }, "signal": { "label": "Always \"on offer\"", "note": "25 of 25 days", "basis": "our daily price checks" }, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:14.394Z", "rating": 4.6, "ratings": 14026, "boughtLastMonth": "5K+", "categoryRank": { "position": 1, "category": "Aquarium Water Treatments" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 8, "readOn": "2026-09-27", "like": [ { "text": "Simple to dose whenever you add fresh tap water", "count": 4 }, { "text": "A small bottle goes a long way, so good value", "count": 4 } ], "watchOutFor": [] }, "ourName": "AQUARIAN Tap Water Safe, 118ml", "ourTake": "Chlorine in tap water harms fish and the filter bacteria, the RSPCA says, so treat every fill and every water change with a dechlorinator, or let the water stand for 24 hours first. The listing says this conditioner neutralises chlorine and chloramines." }, "budget": null, "upgrade": { "asin": "B000255PFI", "name": "Seachem Prime Water Conditioner", "amazonTitle": "Seachem Prime Water Conditioner, 100 ml", "brand": "Seachem", "image": "https://m.media-amazon.com/images/I/41w5rx-6bNL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B000255PFI", "data": "https://whattobuyfor.co.uk/products/B000255PFI.json", "price": { "amount": 6.14, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": { "amount": 6.14, "currency": "GBP" }, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:14.683Z", "rating": 4.8, "ratings": 37705, "boughtLastMonth": "1K+", "categoryRank": { "position": 8, "category": "Aquarium Water Treatments" } }, "buyersSay": null, "ourName": "Seachem Prime concentrated conditioner, 100ml" }, "sources": [ { "name": "RSPCA: fish tank environment and water quality", "url": "https://www.rspca.org.uk/adviceandwelfare/pets/fish/environment", "checked": "2026-09-26" }, { "name": "OATA: how to set up and look after a freshwater tank", "url": "https://ornamentalfish.org/what-we-do/advice-information/care-sheets/caresheets-tropical-freshwater-fish/how-to-set-up-and-look-after-a-freshwater-tank-aquarium/", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] }, { "role": "Filter bacteria to start the cycle", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-bacteria-starter", "quantity": "1 bottle", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B00DDYZQY0", "name": "API Quick Start Nitrifying Bacteria for Freshwater and", "amazonTitle": "API Quick Start Nitrifying Bacteria for Freshwater and Saltwater Aquariums, 30 ml Bottle", "brand": "API", "image": "https://m.media-amazon.com/images/I/41eMMetZmTL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B00DDYZQY0", "data": "https://whattobuyfor.co.uk/products/B00DDYZQY0.json", "price": { "amount": 3.32, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": { "amount": 2.99, "currency": "GBP" }, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:14.818Z", "rating": 4.7, "ratings": 16168, "boughtLastMonth": "300+", "categoryRank": { "position": 7, "category": "Aquarium Water Treatments" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 13, "readOn": "2026-09-27", "like": [ { "text": "A go-to for getting a new tank or filter established faster", "count": 5 }, { "text": "Ammonia comes down and water tests look good as it settles", "count": 2 } ], "watchOutFor": [] }, "ourName": "API Quick Start bacteria, 30ml", "ourTake": "A new filter has none of the bacteria that break down fish waste. The RSPCA suggests seeding the tank with a product to kick-start them and running the filter with no fish for at least two weeks. The listing says fish can go in straight away; follow the RSPCA instead and wait until ammonia and nitrite have risen and dropped back to zero." }, "budget": null, "upgrade": null, "sources": [ { "name": "RSPCA: fish tank environment and water quality", "url": "https://www.rspca.org.uk/adviceandwelfare/pets/fish/environment", "checked": "2026-09-26" }, { "name": "OATA: how to set up and look after a freshwater tank", "url": "https://ornamentalfish.org/what-we-do/advice-information/care-sheets/caresheets-tropical-freshwater-fish/how-to-set-up-and-look-after-a-freshwater-tank-aquarium/", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] }, { "role": "A test kit for ammonia, nitrite, nitrate and pH", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-test-kit", "quantity": "1", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B000255NCI", "name": "API 800 Test Freshwater Aquarium Water Master Test", "amazonTitle": "API 800 Test Freshwater Aquarium Water Master Test Kit", "brand": "API", "image": "https://m.media-amazon.com/images/I/41RcScuLR0L._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B000255NCI", "data": "https://whattobuyfor.co.uk/products/B000255NCI.json", "price": { "amount": 27.86, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": { "amount": 25.07, "currency": "GBP" }, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:14.412Z", "rating": 4.7, "ratings": 39643, "boughtLastMonth": "1K+", "categoryRank": { "position": 2, "category": "Aquarium Test Kits" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 13, "readOn": "2026-09-27", "like": [ { "text": "Easier than expected, with clear instructions and a colour chart", "count": 5 }, { "text": "Readings are accurate and more trusted than dip strips", "count": 5 }, { "text": "Covers pH, ammonia, nitrite and nitrate in one case", "count": 3 } ], "watchOutFor": [ { "text": "Colours can be hard to match to the chart, so test in daylight", "count": 2 } ] }, "ourName": "API Freshwater Master Test Kit", "ourTake": "Clear water is not always healthy water, the RSPCA says, and ammonia and nitrite tests are essential; OATA adds nitrate and pH. This kit tests all four with liquid drops and a colour card, the listing says. Test every other day while the tank cycles, then at least weekly, as OATA advises." }, "budget": { "asin": "B00L5I8N64", "name": "NT Labs Aquarium Lab Multi Test Kit", "amazonTitle": "NT Labs Aquarium Lab Multi Test Kit (Up to 200 Tests)", "brand": "NT Labs", "image": "https://m.media-amazon.com/images/I/41vIHoyXvDL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B00L5I8N64", "data": "https://whattobuyfor.co.uk/products/B00L5I8N64.json", "price": { "amount": 23.97, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": null, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:23.071Z", "rating": 4.6, "ratings": 1990, "boughtLastMonth": "600+", "categoryRank": { "position": 5, "category": "Aquarium Test Kits" } }, "buyersSay": null, "ourName": "NT Labs Aquarium Lab multi test kit" }, "upgrade": null, "sources": [ { "name": "RSPCA: fish tank environment and water quality", "url": "https://www.rspca.org.uk/adviceandwelfare/pets/fish/environment", "checked": "2026-09-26" }, { "name": "OATA: how to set up and look after a freshwater tank", "url": "https://ornamentalfish.org/what-we-do/advice-information/care-sheets/caresheets-tropical-freshwater-fish/how-to-set-up-and-look-after-a-freshwater-tank-aquarium/", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] }, { "role": "Sand or gravel for the base", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-substrate", "quantity": "1 bag (5kg)", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B07DNXX6R8", "name": "Amtra Fine Ambra Sand Aquatic Accessories", "amazonTitle": "Amtra Fine Ambra Sand Aquatic Accessories, 2 mm, Amber, 5kg", "brand": "Amtra", "image": "https://m.media-amazon.com/images/I/41COnwVDiYL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B07DNXX6R8", "data": "https://whattobuyfor.co.uk/products/B07DNXX6R8.json", "price": { "amount": 5.8, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": null, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:24.408Z", "rating": 4.4, "ratings": 1316, "boughtLastMonth": "1K+", "categoryRank": { "position": 1, "category": "Aquarium Sand" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 13, "readOn": "2026-09-27", "like": [ { "text": "Rinses clean easily and hardly clouds the water", "count": 3 }, { "text": "A warm, natural sandy colour that looks good in a tank", "count": 4 }, { "text": "Fine, soft grains suit fish that sift through the bottom", "count": 2 } ], "watchOutFor": [] }, "ourName": "Amtra fine amber sand, 5kg", "ourTake": "Gravel or sand is on OATA's shopping list for a freshwater tank. This is fine aquarium sand with 2mm grains, sold in a 5kg bag, the listing says." }, "budget": null, "upgrade": null, "sources": [ { "name": "OATA: how to set up and look after a freshwater tank", "url": "https://ornamentalfish.org/what-we-do/advice-information/care-sheets/caresheets-tropical-freshwater-fish/how-to-set-up-and-look-after-a-freshwater-tank-aquarium/", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] }, { "role": "Live plants", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-plants", "quantity": "1 pack", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B0CST9VRY9", "name": "3X Bunches Java Fern Live Aquarium Plants Microsorum", "amazonTitle": "3X Bunches Java Fern Live Aquarium Plants Microsorum Pteropus Rhizome K2AQUA", "brand": "k2aqua", "image": "https://m.media-amazon.com/images/I/41c6pG1+DaL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B0CST9VRY9", "data": "https://whattobuyfor.co.uk/products/B0CST9VRY9.json", "price": { "amount": 7.99, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": null, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:21.502Z", "rating": 4.6, "ratings": 736, "boughtLastMonth": "600+", "categoryRank": { "position": 3, "category": "Live Aquarium Plants" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 8, "readOn": "2026-09-27", "like": [ { "text": "Arrive fresh, healthy and well packed", "count": 6 }, { "text": "Good root clusters, and they settle in and keep growing", "count": 4 }, { "text": "Make the tank look more natural once planted", "count": 2 } ], "watchOutFor": [] }, "ourName": "k2aqua Java fern, 3 bunches", "ourTake": "OATA recommends plants and decorations as enrichment, and says live plants help remove nitrate. This pack holds three bunches of Java fern. The listing says it tolerates low light and must be tied to wood or rock rather than buried, so the rhizome stays above the sand." }, "budget": null, "upgrade": null, "sources": [ { "name": "OATA: how to set up and look after a freshwater tank", "url": "https://ornamentalfish.org/what-we-do/advice-information/care-sheets/caresheets-tropical-freshwater-fish/how-to-set-up-and-look-after-a-freshwater-tank-aquarium/", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] }, { "role": "A gravel cleaner you never start by mouth", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-gravel-cleaner", "quantity": "1", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B06XKGYJHR", "name": "Luigi's Syphon Fish Tank Cleaner for Aquarium", "amazonTitle": "Luigi's Syphon Fish Tank Cleaner for Aquarium - Filtered Hand Vacuum Syphon Pump - 3-in-1 Water Changer and Gravel Washer for Fish Tank - Fish Tank Cleaning Kit", "brand": "Luigi's", "image": "https://m.media-amazon.com/images/I/41LQsGRuqaL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B06XKGYJHR", "data": "https://whattobuyfor.co.uk/products/B06XKGYJHR.json", "price": { "amount": 9.99, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": null, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:21.649Z", "rating": 4.3, "ratings": 28831, "boughtLastMonth": "700+", "categoryRank": { "position": 2, "category": "Aquarium Gravel Cleaners" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 13, "readOn": "2026-09-27", "like": [ { "text": "A few squeezes of the hand pump get the water flowing", "count": 2 }, { "text": "Drains the tank quickly, turning a long chore into minutes", "count": 6 } ], "watchOutFor": [ { "text": "The gravel end can miss bigger debris or draw up stones", "count": 3 } ] }, "ourName": "Luigi's hand-pump gravel cleaner", "ourTake": "OATA recommends a gravel cleaner and warns never to start a siphon by mouth, as tank water can carry harmful bacteria. This one starts with a hand pump and has a one-way valve, the listing says. Check its mesh guard is fitted and keep the nozzle away from small fish as you clean. OATA suggests changing up to 25% of the water each week." }, "budget": { "asin": "B005VDUU1U", "name": "Interpet Aquarium Fish Tank Syphon Water Drainer and", "amazonTitle": "Interpet Aquarium Fish Tank Syphon Water Drainer and Gravel Cleaner, with Nozzle and No Return Valve, Mini,XS (Pack of 1)", "brand": "Interpet", "image": "https://m.media-amazon.com/images/I/41sM3ZS9BuL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B005VDUU1U", "data": "https://whattobuyfor.co.uk/products/B005VDUU1U.json", "price": { "amount": 5.99, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": null, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:21.614Z", "rating": 4.2, "ratings": 1621, "boughtLastMonth": "100+", "categoryRank": { "position": 6, "category": "Aquarium Gravel Cleaners" } }, "buyersSay": null, "ourName": "Interpet self-start syphon, mini" }, "upgrade": null, "sources": [ { "name": "OATA: how to set up and look after a freshwater tank", "url": "https://ornamentalfish.org/what-we-do/advice-information/care-sheets/caresheets-tropical-freshwater-fish/how-to-set-up-and-look-after-a-freshwater-tank-aquarium/", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] } ] }, { "id": "fish-day", "label": "When the fish arrive", "intro": null, "countsTowardTotal": true, "roles": [ { "role": "A soft net to move the fish in", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-net", "quantity": "1", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B0002AQJHG", "name": "Marina Fine Soft Mesh Fish Net with Plastic", "amazonTitle": "Marina Fine Soft Mesh Fish Net with Plastic Coated Handle, 10 cm/ 4-inch,Blue", "brand": "Marina", "image": "https://m.media-amazon.com/images/I/41QxujVKgWL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B0002AQJHG", "data": "https://whattobuyfor.co.uk/products/B0002AQJHG.json", "price": { "amount": 5.13, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": null, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T03:05:28.627Z", "rating": 4.6, "ratings": 3763, "boughtLastMonth": null, "categoryRank": { "position": 5, "category": "Aquarium Nets" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 13, "readOn": "2026-09-27", "like": [ { "text": "Soft mesh that moves fish, fry included, without harming them", "count": 4 }, { "text": "Well made and not flimsy for the price", "count": 4 } ], "watchOutFor": [] }, "ourName": "Marina fine soft mesh net, 10cm", "ourTake": "The RSPCA's method: lights off, float the bag in the tank for half an hour so the temperatures match, then net the fish across and throw the bag water away. This 10cm net has a soft, anti-snag nylon mesh made for handling fish, on a 23cm handle, the listing says." }, "budget": null, "upgrade": null, "sources": [ { "name": "RSPCA: fish tank environment and water quality", "url": "https://www.rspca.org.uk/adviceandwelfare/pets/fish/environment", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] }, { "role": "Food that suits your species", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-food", "quantity": "1 tub", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B00UMS2544", "name": "AQUARIAN Complete Nutrition", "amazonTitle": "AQUARIAN Complete Nutrition, Aquarium Tropical & Temperate Fish Food Flakes, 50g Container", "brand": "AQUARIAN", "image": "https://m.media-amazon.com/images/I/41O6Q1dK3HL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B00UMS2544", "data": "https://whattobuyfor.co.uk/products/B00UMS2544.json", "price": { "amount": 2.88, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": { "amount": 2.59, "currency": "GBP" }, "signal": { "label": "Always \"on offer\"", "note": "25 of 25 days", "basis": "our daily price checks" }, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:22.218Z", "rating": 4.7, "ratings": 12915, "boughtLastMonth": "7K+", "categoryRank": { "position": 1, "category": "Aquarium Fish Food" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 13, "readOn": "2026-09-27", "like": [ { "text": "Fish take it eagerly, including fussy eaters", "count": 4 }, { "text": "Good value for the amount in the tub", "count": 6 } ], "watchOutFor": [] }, "ourName": "AQUARIAN tropical flake food, 50g", "ourTake": "OATA says to have suitable food for every species you keep, because some feed at the surface, some mid-water and some on the bottom. This is a tropical flake food in a 50g tub; the listing says to feed up to twice a day only what the fish finish in five minutes. Ask your retailer whether your bottom feeders need a sinking food too." }, "budget": null, "upgrade": null, "sources": [ { "name": "OATA: how to set up and look after a freshwater tank", "url": "https://ornamentalfish.org/what-we-do/advice-information/care-sheets/caresheets-tropical-freshwater-fish/how-to-set-up-and-look-after-a-freshwater-tank-aquarium/", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] } ] }, { "id": "later", "label": "Later", "intro": null, "countsTowardTotal": false, "roles": [ { "role": "An air pump and air stone", "url": "https://whattobuyfor.co.uk/a-first-aquarium/#role-air-pump", "quantity": "1", "lasts": null, "consumable": false, "lastsDays": null, "pick": { "asin": "B073DWVX5P", "name": "Pawfly Aquarium 1.8L/min Compact Air Pump Quiet Oxygen", "amazonTitle": "Pawfly Aquarium 1.8L/min Compact Air Pump Quiet Oxygen Aerator Pump with Air Stone Airline Tubing and Check Valve Accessories for 20-75L Buckets and Fish Tanks", "brand": "Pawfly", "image": "https://m.media-amazon.com/images/I/41rFMrA-EKL._SL500_.jpg", "amazonUrl": "https://www.amazon.co.uk/dp/B073DWVX5P", "data": "https://whattobuyfor.co.uk/products/B073DWVX5P.json", "price": { "amount": 11.99, "currency": "GBP", "checkedAt": "2026-09-28T07:19:34.388Z", "note": "Checked on Amazon UK that morning; the price at checkout on amazon.co.uk applies." }, "availability": { "status": "IN_STOCK", "amazonMessage": null }, "subscribeAndSave": null, "signal": null, "amazon": { "source": "amazon.co.uk", "recordedAt": "2026-09-27T02:18:21.619Z", "rating": 4.1, "ratings": 7637, "boughtLastMonth": "300+", "categoryRank": { "position": 6, "category": "Aquarium Air Pumps" } }, "buyersSay": { "method": "Our own summary of the reviews Amazon showed; each count is the number of reviews making the point.", "reviewsRead": 13, "readOn": "2026-09-27", "like": [ { "text": "Easy to set up, with tubing, stone and check valve in the box", "count": 6 }, { "text": "Strong for its size, giving plenty of bubbles", "count": 5 } ], "watchOutFor": [ { "text": "Audibly hums rather than running silent, despite the name", "count": 6 }, { "text": "Runs warm when left on for long spells", "count": 2 } ] }, "ourName": "Pawfly air pump with air stone", "ourTake": "The RSPCA suggests adding aeration, such as an air stone, to stir the surface and add oxygen. This small pump is rated for 20 to 75 litre tanks and comes with an air stone, 1.5m of tubing and a check valve, the listing says." }, "budget": null, "upgrade": null, "sources": [ { "name": "RSPCA: fish tank environment and water quality", "url": "https://www.rspca.org.uk/adviceandwelfare/pets/fish/environment", "checked": "2026-09-26" }, { "name": "the product's Amazon listing" } ] } ] } ], "totals": { "today": { "amount": 171.2, "currency": "GBP", "itemsPriced": 10, "itemsMissingPrice": 0 }, "monthlyRunningCost": null }, "canWait": [ { "what": "A second heater for water-change water", "why": "The RSPCA suggests one so new water matches the tank temperature. Until then, OATA says to check the new water is at the right temperature before it goes in." }, { "what": "Ornaments and caves", "why": "OATA says ornaments give shy fish a place to retreat but take up swimming space, so they are easier to choose once you know your species." } ], "skip": [ { "what": "A goldfish bowl or small novelty tank", "why": "The RSPCA says bowls, jars and children's tanks are not designed with fish welfare in mind: too small for stable water or an efficient filter." }, { "what": "Test strips with no ammonia test", "why": "The RSPCA says ammonia and nitrite tests are essential, so check any kit covers both." }, { "what": "A special aquarium bucket", "why": "OATA's shopping list only asks for a bucket for water changes; any clean bucket does the job." } ], "questions": [ { "question": "How long should a new tank run before adding fish?", "answer": "At least two weeks, the RSPCA says, and often longer. Run the filter with no fish, test the water every other day and add fish only after ammonia and nitrite have spiked and dropped back to zero. OATA says to build up fish numbers slowly after that." }, { "question": "What size tank should a beginner buy?", "answer": "Bigger than 45 x 30 x 30 cm, or about 40 litres, the RSPCA says, and as big as you can reasonably fit, because larger volumes keep temperature and water quality more stable. The RSPCA's own example, 60cm wide, 30cm tall and 30cm deep, holds 54 litres." }, { "question": "Do I need a heater for a fish tank?", "answer": "For tropical fish, yes. The RSPCA says tropical fish need a tank heater, controlled by a thermostat and set for the species you keep. Goldfish need 10 to 21°C, so a heater is not normally necessary for them." }, { "question": "How often should I change the water?", "answer": "Every week. OATA suggests partial changes of up to 25%, and the RSPCA suggests 30%. Treat the new water with dechlorinator, match its temperature to the tank, and never rinse the filter sponge under the tap: swish it in the old tank water instead." }, { "question": "Which fish suit a first tropical tank?", "answer": "OATA lists tetras, guppies, mollies, platies, swordtails, corydoras and gouramis as good beginner tropical species. Ask an OATA retailer how many your tank can hold and which will live together, and add them slowly once the tank has cycled." } ], "sources": [ { "name": "RSPCA: fish tank environment and water quality", "url": "https://www.rspca.org.uk/adviceandwelfare/pets/fish/environment", "checked": "2026-09-26" }, { "name": "OATA: how to set up and look after a freshwater tank", "url": "https://ornamentalfish.org/what-we-do/advice-information/care-sheets/caresheets-tropical-freshwater-fish/how-to-set-up-and-look-after-a-freshwater-tank-aquarium/", "checked": "2026-09-26" } ], "related": [ { "title": "What to buy for a pet budgie", "url": "https://whattobuyfor.co.uk/a-pet-bird/", "json": "https://whattobuyfor.co.uk/a-pet-bird.json" }, { "title": "What to buy for a house rabbit", "url": "https://whattobuyfor.co.uk/a-house-rabbit/", "json": "https://whattobuyfor.co.uk/a-house-rabbit.json" }, { "title": "What to buy for a new kitten", "url": "https://whattobuyfor.co.uk/a-new-kitten/", "json": "https://whattobuyfor.co.uk/a-new-kitten.json" } ] }