Bastion Hot Tub Defoamer — Antifoam Concentrate (Silicone Emulsion) for Pools, Spas, Fountains & Waterfalls — Fast Foam Removal & Prevention — Eco Friendly, Safe Formula — Case of 6 X 1/2 Gallon (384oz)

Bastion Defoamer is a concentrated silicone emulsion formulated to remove and prevent foam in pools, hot tubs, spas, fountains and waterfalls. Sold as a Case of 6 X 1/2 Gallon (384oz), this professional-strength antifoam acts quickly—simply add the recommended amount and the foam dissipates without delay. The formula combines immediate defoaming action with ongoing anti-foaming protection to prolong results and reduce repeat treatment frequency. Because it’s a silicone-based concentrate, it clears suds and bubbles thoroughly without leaving an oily film or causing cloudy, milky water. Compatible with standard water care products, Bastion’s Defoamer does not alter water chemistry and helps maintain chlorine levels while working alongside other treatment chemicals. Free of harsh ingredients, the product is 100% SAFE & NON-TOXIC, gentle on skin and eyes, and safe for jewelry. Suitable for both fresh and saltwater use. This item is 100 % CRUELTY-FREE and proudly MADE in the U.S.