Each bottle of Aquascape® Sludge and Filter Cleaner is packed full of five pure strains of heterotrophic bacteria

Effective in all water temperatures

and 32 packet quantities

late March to early April and replace in the Fall so the effects will last all winter long

BioSafe Green Clean Granular Algaecide Size Options:2.5 lbs Bucket Each bottle of Aquascape® SludgeGreenClean Granular Pond Algaecide is a fast acting treatment that controls planktonic and filamentous algae in fish ponds, water gardens, fountains, and earthen ponds. This ready to use granular formula works quickly to eliminate algae and restore clear, healthy pond water. Safe for ponds with koi, goldfish, and trout, GreenClean begins working on contact, with visible results such as bubbling, bleaching, and algae breakdown often appearing shortly