Pail Bulk Pond-Vive Bacteria 25 lb- packed in (50) Eight Ounce water Soluable Packets 50-Eight Ounce Water Soluable Packets of Pond-Vive for lakes and ponds The natural, biological way to revive your pond. Reduce sludge buildup, Eliminate pond odors, Improve water clarity Reduce oxygen demand, Eliminate excess nutrients Initial Dose: 4 to 6 lbs per surface acre - Maintenance Dose: 4 to 6 lbs per surface acre every 2 weeks