ISTA Disposable CO2 Cartridge 95g, 1 Pcs, Full merchant-exclude Make sure the double sponge

Make sure the double sponge filter is oriented vertically

Its porous nature also helps to create a biological filter in your aquarium by providing surface area for beneficial bacteria to thrive

To determine your desired volume multiply tank width by length by desired depth

This incredible snail has a spiral like brown-green shell that can get up to 2" in length and about 1

Shell coloration may vary

ISTA Disposable CO2 Cartridge 95g, 1 Pcs, Full merchant-exclude Make sure the double spongeCHARACTERISTICS: Contains 95g of pressurized liquid CO2. Full weight of pressurized liquid CO2 assured for the best value compared to other existing similar cartridges in the market. Strict quality control, and safety guaranteed. Disposable cartridge, free from the trouble of CO2 refilling. Simple and easy to replace cartridge.