EasyPro All-Season Liquid Pond Bacteria, 128-Ounce

Works with temperatures down to 45 degrees F, allowing one product to work in spring, summer, and fall Removes ammonia, nitrites, nitrates, phosphates and sludge Maintains a healthy, balanced ecosystem and reduces pond maintenance Dosage rate - 2 fluid ounces per 1000 gallonsYou may also like 6 Pack Aqueon AquaPacs Sludge Remover [Bulk Aquarium Supplies, New Aquarium Supplies, Aquarium Bio Additives, Aqueon] 24 count (6 x 4 ct).