Pro Balance feeding blocks use a time release formula to feed your 10-15 gallon tank up to three days. Blocks are loaded with fishy favorites like tubifex and bloodworms, vitamins, minerals and more.
Specifications Package Size 4 PACK
Feeding Style VACATION/ TIME RELEASE
Aquarium Type FRESHWATER
Form BLOCKS - 1.5 IN. X 1/4 IN. THICK
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 3 days depending on the pH level & water temperature.