Description
What Size tank can I use JOR’s cotton sponge filter for? Our cotton sponge filter will work best in tanks up to 10.5 gallons when used singly. If you own a larger tank you can purchase two or more of these sponge filters and place on different sides of the tank. Considering their small size, you can easily hide these filters behind plants and other underwater décor. Why should I use an air pump with this filter and not a water pump? We recommend the air pump method as it is much easier for begin
