What Is in Spa Defoamer?

Add a ratio of 1 part white vinegar to every 10 parts water. Turn on your spa and add 1 part distilled white vinegar to every 10 parts water. For example, if the spa capacity is 100 gallons, add 1 gallon of white vinegar.

What is defoamer made of?

Defoamers are comprised of a liquid, such as mineral oil or silicone, and a hydrophobic solid, such as hydrophobic silica, ethylene-bis-stearamide, fatty acid, and/or fatty alcohol. An effective defoamer must be insoluble in the medium it is defoaming.

How do you make a homemade defoamer?

Use white vinegar to create a homemade defoamer solution. Add 1 part white vinegar to every 10 parts of water to make the defoamer. For example, a 100-gallon kiddie pool would require 10 gallons of vinegar to work effectively. White vinegar also works as a defoamer in hot tubs, spas and carpet steam cleaners.