Pond: Algae control Tetra Pond Blocks
Pond Block® helps clear cloudy water and remove algae from ornamental ponds or fountain water. Pond Blocks work well to eliminate string algae from waterfalls and rocks in custom Koi Ponds
. Will not harm pond fish. Tetra Pond Block
is a pond supply
product limited for use in backyard/homeowner ponds and water fountains. For containerized ponds only.
Not recommended for use with live plants.
Will kill water hyacinth
, water lettuce