TetraPond® Pond Sludge Removal Blocks with Clear-Zyme™ Technology Aqua Ultraviolet Outside Dimensions are12" wide x

Outside Dimensions are12" wide x 15" long x 10" high

Pro-Series Skimmer with filter brushes (see below)

Colors vary

and mix well into a gallon of water to distribute evenly around the pond

4 lb 042055422048 41810 11 lb 042055418102 42208 33 lb 042055422086 41824 Large (8

TetraPond® Pond Sludge Removal Blocks with Clear-Zyme™ Technology Aqua Ultraviolet Outside Dimensions are12" wide xTetraPond Pond Sludge Reducer with Clear Zyme Technology contains billions of beneficial bacteria and enzymes that quickly break down the unsightly wastes that accumulate on the bottom of ponds as a sludge layer. Sludge Reducer blocks are also ideal when setting up a new pond and during the spring start up and fall shut down of established ponds. The blend of bacteria and enzymes is beneficial for developing and maintaining the pond's biological