Honest aquarium gear guides
Clear water, happy fish
Research-based guides to tanks, filters, lights and water care — written to help you set up an aquarium that's easy to keep healthy, not to sell you every gadget.
New in the tank
The first guides are on their way — explore the sections above.
Dive into a topic
Tanks & KitsAquarium tanks and starter kits: sizes, glass vs acrylic, what's included and what to add.Filters & PumpsHang-on-back, canister and sponge filters, air pumps and powerheads — flow, noise and maintenance.Lighting & PlantsAquarium LED lights, live plants and substrates — what grows plants and what grows algae.Heaters & Water CareHeaters, thermometers, test kits and water conditioners for stable, safe water.Fish Care GuidesBeginner-friendly guides: cycling a tank, water changes, choosing fish and everyday maintenance.
Clear-water promises
- No paid placements. Brands can't buy a spot in our picks.
- Facts first. Manufacturer specs, published data and patterns in verified owner reviews.
- Honest about testing. We only say we tested something when we actually did.
- Kept fresh. We revisit guides and drop discontinued models.