Pro Balance feeding blocks use a time release formula to feed your 10-15 gallon tank up to seven days. Blocks are loaded with fishy favorites like tubifex and bloodworms, vitamins, minerals and more.
Specifications Package Size 1 PACK
Feeding Style VACATION / TIME RELEASE
Aquarium Type FRESHWATER
Form BLOCK - 2 IN. X 2 IN. X 1/4 IN.
Instructions Simply place the block in your aquarium Within hours it will start to dissolve, releasing nutritous freeze-dried foods, while also neutralizing your aquarium water. One block will last up to 7 days depending on the pH level & water temperature.