Tetra Pond Anti-Algae Pond Block
Tetra Pond Anti-Algae Blocks offer an easy, effective way to control and prevent the growth of algae. Leave pond water crystal clear by preventing harmful algae growth. Helps keep pond clear from algae when used regularly. Pond block is not recommended for ponds with plants.
· Helps keep your pond clear from algae when used regularly
· Leaves pond water crystal clear
· Not recommended for ponds with plants