Northern Lights Anti Foam Defoamer is specially formulated to work with all hot tubs and spas including use in any Wood Hot Tub. Anitfoam Defoamer is used to remove unwanted bubbles in spa and hot tub water. Northern Light's Anti Foam is compatible with all sanitizers including bromine, chlorine and biguanide.

Phosphates left over from washing bathing suites, can produce excessive bubbles in hot tub water. Antifoam chemical is a completely safe way to eliminate these unwanted bubbles. Simply squirt a small amount on to the bubbles and they will quickly disappear. These bubbles can be the source of hot tub ring (line that forms on the top surface of tub just above water line). Use Anti Foam regularly to avoid scum formed by bubbles.