%204%20blocks?unique=c4633c3)
%204%20blocks?unique=c4633c3)
Tetra Sludge Reducer Block, (1 block treats up to 250 gal) 4 blocks
- Sludge Reducer blocks brake down unsightly sludge awhile helping boost pond's biological filtration level.
- Ideal when setting up new ponds and during fall winterizing and spring start-up.
- Beneficial bacteria and enzyme blend helps balance the pond's biological needs, resulting in cleaner, clearer water.