They are very specific to my tank and unfortunately I have to buy them in bulk to make them worthwhile. I think they do a decent job, but they need to be changed regularly to be effective, which can come at a pretty good price. This was the best deal I could find to keep my tank going for a while.
Aquael Fan Filter Mikro Plus
35 Review
πΏ Enhance Your Freshwater Fish Tank with Greenpro Java Fern on Driftwood Live Aquarium Plants
27 Review
Powerful And Quiet Submersible Pump For Aquarium, Pond, And Hydroponics: KEDSUM 660GPH Pump With 6Ft High Lift And 3 Nozzles
29 Review
Humidifier / air purifier "Fanline Aqua VE400" with an ionizer, with a capacity of 410 gr/h
44 Review
Mini pump Xiaomi Mijia Electric Pump 1S, plastic, black
55 Review
𧲠Efficient Magnetic Fish Tank Cleaner: KEDSUM Floating Clean Brush with Handle Design
34 Review
Greenpro Micranthemum Monte Carlo: Live Large Pearl Grass Aquatic Plant In Tissue Culture Cup For Freshwater Fish Tanks And Aquariums
49 Review
Steam cleaner Deerma Deerma DEM-ZQ610 EU, white/red
68 Review