Tetra Pond Sludge Reducer Block, 1 oz (4 Pack)

Tetra Pond

Regular price $11.90

Tetra Pond Pond Sludge Reducer with Clear-Zyme Technology blocks are bio-active cleaning blocks that will keep water clean and clear by breaking down wastes which accumulate on the bottom of ponds as a sludge layer.

  • Keeps pond water clean and clear
  • Bio-active cleaning block for pond maintenance
  • Breaks down wastes which accumulate on the bottom of ponds

Also great to use during the setup of a new pond and the spring start-up or fall shut-down of established ponds. The blend of safe enzyme producing bacteria helps develop and maintain the ponds natural biological balance.

Dosage: 4 blocks treat up to 1,000 gallons.


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