Time Release Feeding Block. Lasts 7-8 days. Now with High Protein Micro-Pellets. Great for bottom feedersCalcium Sulfate, Plankton, Spirulina Algae Meal, Magnesium Sulfate, Dicalcium Phosphate, Niacin, L-Ascorbyl-2-Polyphosphate (Stabilized Vitamin C), Thiamine Hydrochloride, D-Calcium Pantothenate, Pyridoxine Hydrochloride, Biotin, Beta Carotene”

Ingredients:

Calcium Sulfate, Plankton, Spirulina Algae Meal, Magnesium Sulfate, Dicalcium Phosphate, Niacin, L-Ascorbyl-2-Polyphosphate (Stabilized Vitamin C), Thiamine Hydrochloride, D-Calcium Pantothenate, Pyridoxine Hydrochloride, Biotin, Beta Carotene