Designed for frameless aquariums. Didn't realize it when I bought it but it still works, just floats and can move around in the aquarium. I was having trouble balancing a planted tank and thought about adding CO2. However, since then my tank has been balanced without CO2 and I no longer constantly measure the CO2 in the tank.
π Seachem Stability 250ml: The Ultimate Fish Tank Stabilizer for Freshwater and Marine Aquariums
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Highly Efficient Seachem Purigen for Freshwater & Saltwater Filtration
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π Hanna Marine Alkalinity Checker HC - HI772: Accurate & Efficient dKH Measurement
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FUNSWTM 7 in 1 Aquarium Test Strips: Accurate Water Testing for pH, Nitrite, Nitrate, Chlorine, GH & KH Levels
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Greenpro Micranthemum Monte Carlo: Live Large Pearl Grass Aquatic Plant In Tissue Culture Cup For Freshwater Fish Tanks And Aquariums
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𧲠Efficient Magnetic Fish Tank Cleaner: KEDSUM Floating Clean Brush with Handle Design
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Efficient 2-In-1 Magnetic Fish Tank Cleaner With Non-Slip Design And Scratch-Free Blades
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π U-BCOO Aquarium Gravel Cleaner Fish Tank: Manual Siphon for Efficient Filter Gravel Cleaning and Water Change in Tanks
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