Sludge Buster Blocks

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  • $15.99
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  • No binding agents or harsh chemicals
  • Eliminate bottom sludge
  • Improve oxygen content
  • Reduce ammonia/nitrite, as well as excess-causing nutrients like nitrate and phosphate
  • Odor control by eliminating build up of dead and decaying organic wastes
  • Improve water clarity 

Clear Pond Sludge Buster Blocks are a 100% natural blend of beneficial pond bacteria and enzymes, in a pre-measured 1 oz. dissolvable block. Our dissolvable blocks are unique in that they immediately sink to the bottom of the pond to more effectively remove undesirable bottom sludge. 

Contains one-ounce blocks, each block treats up to 500 gals. of water.  Safe for fish, pets, and people!