Spa Boss Defoamer eliminates and helps to preventing foaming in the hot tub For normal spa use add just a few drops as necessary. Excessive foaming (heavy foaming the day after) means that the water is "old" & needs to be changed. A small squirt when foaming appears is all that is needed. Defoamer should be used in moderation and can be used while you are in the hot tub.
SpaBoss Defoamer is comparable to: