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๐ง Clear water, zero foam, all the chill vibes.
Bastion Hot Tub Defoamer is a professional-grade, silicone emulsion concentrate designed to quickly eliminate and prevent foam in pools, spas, fountains, and waterfalls. Its fast-acting, eco-friendly formula leaves no oily residue or cloudy water, maintains water chemistry, and is safe for both fresh and saltwater environments. Packaged in a convenient 64 oz. size, it offers reliable, versatile, and cost-effective foam control without harsh chemicals, making it ideal for maintaining pristine, inviting water.



















| Asin | B0996BRM1J |
| Best Sellers Rank | #5,962 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #32 in Hot Tub Accessories |
| Brand Name | Bastion |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,589) 4.4 out of 5 stars |
| Item Form | Liquid |
| Item Weight | 4 pounds |
| Manufacturer | Bastion |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Package Size Name | Half-Gallon |
| Product Benefits | Prevents Foam |
| Unit Count | 64 Fluid Ounces |
User
Hot and clean
I purchased this Hot Tub Defoamer for my spa and it works extremely well. A small amount goes a long way and it removes foam almost instantly without leaving behind any weird residue or strong chemical smell.Before using this, my hot tub would get foamy pretty quickly after multiple people used it, especially with lotions or soaps in the water. After adding this defoamer, the water looked clean and clear again within seconds. It made the whole spa experience much more enjoyable.I also like that it works fast without affecting the water quality or irritating skin. The bottle lasts a long time because you only need a little bit each use. Definitely recommend this product if you want to keep your hot tub, spa, or fountain looking clean and foam free.
User
Works well. Great price. Recommended.
Works well. Great price. Recommended.
User
Works as expected
This works perfectly. The foam disappears as soon as we put it in hottub
User
Not as good
Doesn't work as well as other brands I've used.
User
Great product!
Amazing product! Opened the salt water pool this year...had a lot of foam. This product did the trick!! Highly recommended!
User
Does the job
This is ok works and it's a good product thank you Tony
User
fast foam down
this defoamer is the best i have ever used and it does not take much
User
Totally Ineffective... WORTHLESS!!!
We have a Caldera 3-person hot tub. Occasionally, I use defoamer as a last resort. Other products used are not perfect, but they do reduce foam after applying a 1 - 2-ounce dose. I have applied three 2 oz doses and ran the tub for six days. I'm beginning to see some reduction. BTW, water chemistry is perfect otherwise. I guess, you get what you pay for and in this case, not very much. AVOID!
User
Works Fast and Keeps the Water Clear
This defoamer works exactly as advertised. Just a small amount quickly eliminates foam and keeps the hot tub looking clean and inviting. It doesn't affect the water quality and lasts longer than I expected, so a little goes a long way. Easy to use and a great product to have on hand for regular spa maintenance.
User
Great Product!
Works great!
User
Really works quickly
Works fast
User
Great product
It fixed the problem with the foam on my pool.
User
Foam away
Works quickly but needed a double dose of it
Trustpilot
1 month ago
3 days ago