Tank & Tech
No sponsored rankings · ever

What does your tank
need today?

Pick a category and we'll show you what's actually worth buying — scored from expert reviews, real specs and thousands of owner reports.

48
products scored
0
paid placements
79Top score
Heaters
Wattage, accuracy, failure rate
84Top score
Filters
GPH, media capacity, noise
89Top score
Test Kits
Cost per test, accuracy
94Top score
Water Conditioners
Concentration, ammonia binding
94Top score
Filter Media
Surface area, longevity
88Top score
Fish Food
Protein source, fill quality
90Top score
Plant Fertilisers
NPK balance, dosing
88Top score
Lights
PAR, spectrum, coverage

Answer it in ten seconds

Free calculators for the questions every keeper asks first.

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How many fish?Stocking calculatorWhat GPH?Filter sizeWhat wattage?Heater sizeHow many gallons?Tank volumeHow much to add?Conditioner dose

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Test kitsBest Water Test Kit for Beginners — Cost Per Test Compared2 min readHead to headSeachem Prime vs API Tap Water Conditioner: Which to Buy2 min readFiltersBest Aquarium Filter for a 20-Gallon Tank Under $502 min read
How we score

No lab. No sponsors. Just everything, read carefully.

Four evidence streams, weighted into one comparable score — and every buy link price-checked before we publish it.

Full methodology
35%
Expert reviews
Hands-on writeups from established reviewers, weighted by depth and independence.
25%
Spec sheets
Published figures normalised so wattage, flow and capacity compare like for like.
20%
Community consensus
What experienced keepers actually run long-term, across forums and clubs.
20%
Owner sentiment
Aggregated retail reviews, de-duplicated and filtered for incentivised posts.