POND-ZYME 1-LB POND-ZYME 1-LB $16.50 SKU: AQP146B QTY: Click here to save 5% off of your order! POND ZYME PLUS 1-LB Aquarium Pharmaceuticals Pond Zyme® Plus is a 100% natural heavy duty pond cleaner that is safe for all pond fish, plants and wildlife.  Specially selected bacterial strains in Pond Zyme® Plus immediately begin breaking down fish waste and dead algae that cause cloudy water, sludge build-up, and debris that clogs pumps and filters.  Through natural nutrient competition and enzymatic action, Pond Zyme® Plus reduces pond maintenance and keeps pond water clean & clear. Cleaner water means healthier fish, increased dissolved oxygen in your pond and a decreased breeding ground for pathogenic disease causing organisms. Perfect for spring, summer and autumn use. Content treats up to 16,000 US gallons.