Aqua-5 Dry Probiotics for Aquariums & Ponds - Use Aqua-5 Dry to keep your ponds and aquariums healthy, clean, and clear.
2.5 oz treats 6000 to 8000 gallons
5 oz treats 12000 to 15000 gallons
10 oz treats 25000 to 30000 gallons
2 tablespoons per 1000 gallons weekly