Defoamer, 1 gallon Sludge Remover Bacteria Use this black expanding foam

Use this black expanding foam to fill in cracks between rocks to prevent water from being lost over the waterfall

additional 3" vents can be ordered if needed

Sizing info for different models listed in table below

for this product

Five year warranty

Defoamer, 1 gallon Sludge Remover Bacteria Use this black expanding foamDefoamer instantly removes surface foam, which interferes with oxygen transfer into the water. Foam is caused by excess protein buildup in the water and most commonly occurs as a result of splashing water, such as at the base of a waterfall or fountain. Dosage Rates: Use approximately one ounce per 600 gallons of pond water. Pond Calculator Use to calculate the volume or area of your pond.