Tetra Pond Blocks

Helps Control Algae Growth in Ornamental Fish Ponds Without Plants

Offers an easy, effective way to control and prevent the growth of algae. Leaves pond water crystal clear. Helps keep pond clear from algae when used regularly. Pond block is not recommended for ponds with plants.

Details:

For best results, place the block in an area of the pond that is calm.

Tetra Pond Block Application Rates
Pond Size (gallons) 100 - 250 gallons	Dose - 1 block
For regular maintenance, replace block when fully dissolved (usually about 30 days)
Initial dose may require one block for each 100 gallons