--- product_id: 367079926 title: "Hot Tub Defoamer - Pool, Fountain, & Spa - Antifoam Concentrate - Silicone Emulsion - Quickly Removes & Prevents Foam in Water - Eco Friendly & Safe Formula - No Harsh Chemicals - 1/2 Gallon (64 oz.)" brand: "bastion" price: "$93.74" currency: USD in_stock: true reviews_count: 13 url: https://www.desertcart.us/products/367079926-hot-tub-defoamer-pool-fountain-and-spa-antifoam-concentrate-silicone store_origin: US region: United States of America --- # instant foam elimination eco-friendly & non-toxic 64 oz concentrated liquid Hot Tub Defoamer - Pool, Fountain, & Spa - Antifoam Concentrate - Silicone Emulsion - Quickly Removes & Prevents Foam in Water - Eco Friendly & Safe Formula - No Harsh Chemicals - 1/2 Gallon (64 oz.) **Brand:** bastion **Price:** $93.74 **Availability:** ✅ In Stock ## Summary > 💦 Say goodbye to foam, hello to flawless soak sessions! ## Quick Answers - **What is this?** Hot Tub Defoamer - Pool, Fountain, & Spa - Antifoam Concentrate - Silicone Emulsion - Quickly Removes & Prevents Foam in Water - Eco Friendly & Safe Formula - No Harsh Chemicals - 1/2 Gallon (64 oz.) by bastion - **How much does it cost?** $93.74 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/367079926-hot-tub-defoamer-pool-fountain-and-spa-antifoam-concentrate-silicone) ## Best For - bastion enthusiasts ## Why This Product - Trusted bastion brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Application:** Just pour and watch foam vanish—no complicated steps or downtime - • **Versatile Foam Fighter:** Perfect for pools, hot tubs, fountains, and waterfalls—one solution for all your water features - • **Crystal Clear Every Time:** Powerful silicone emulsion removes foam instantly without residue - • **Safe for You & the Planet:** Non-toxic, cruelty-free formula that’s gentle on skin, jewelry, and water chemistry - • **Keeps Your Social Scene Sparkling:** Impress guests with pristine, foam-free water that screams luxury and care ## Overview Bastion Hot Tub Defoamer is a professional-grade, eco-friendly silicone emulsion designed to quickly eliminate and prevent foam in pools, spas, fountains, and waterfalls. This 64 oz concentrate works instantly without leaving oily residue or altering water chemistry, ensuring safe, crystal-clear water that’s gentle on skin and compatible with all water treatments. Trusted by thousands, it’s the ultimate solution for maintaining pristine, inviting water environments. ## Description Bastion is a family brand dedicated to delivering the best, most effective cleaning solutions from our home to yours—quality you trust. Bastion’s Defoamer for pools, spas, hot tubs, fountains, decorative ponds, and waterfalls finally and fully clear away pesky foam and suds from your water, leaving sparkling clear results. Things such as spilled drinks, soap, laundry detergent, deodorant, makeup, cosmetics, hair products, body lotions or oils, shampoo, and conditioners, when introduced to the water by bathers, can cause foamy pool and hot tub water. There's a good reason that public pools advise you to shower before swimming. Bastion's Defoamer, due to its low viscosity spreads rapidly across the surface of the water where it destabilizes the foam lamellas rupturing the millions of tiny air bubbles trapped in the surface foam and preventing further development of future bubbles as well. Shower before soaking in your pool or hot tub Make sure your bathing suits are cleaned and rinsed (or skinny-dip!) Avoid inferior pool chemicals that include many "Fillers" Drain and clean your pool or hot tub as often as is feasible to prevent build-up of unwanted chemicals Having friends or family over for a poolside get-together? A foamy pool can seem unclean, leaving you feeling . No matter the cause, foam simply doesn’t belong in your pool. Bastion’s super-concentrated Pool Defoamer works fast to eliminate foam on contact. Even in the largest pools, it clears the water quickly, leaving it fresh, clean, and crystal clear. Enjoy every swim with confidence! Nothing kills the vibe like foam floating around while you're trying to relax. You just want to kick back and enjoy your hot tub, not deal with a bubbly mess. Don’t let nasty foam ruin your soak. With Bastion Defoamer, say goodbye to buildup and hello to crystal-clear, warm, luxurious water. Whether you're unwinding after a long day or hanging out with friends, you deserve a perfect, foam-free experience. Sit back, relax, and let Bastion Defoamer keep your water pure, clean, and inviting. Fountains and decorative ponds can develop an unsightly foam buildup, making the water look dirty and unkempt. This foam is often caused by excess proteins and organic compounds left behind by plants, animals, or debris. As water moves, it churns these substances into foam, disrupting the beauty of your serene setting. The good news? Bastion’s Defoamer works in seconds, breaking down foam on contact and restoring your clear, calm, and scenic views so you can enjoy a perfect water feature. Hot Tub & Pool Defoamer Pool Water Clarifier Mold Stain Remover Gel Washing Machine Cleaner Dishwasher Cleaner Tablet Coffee Machine Descaler Probiotic Enzyme Cleaner ## Features - RELIABLE, VERSATILE, & COST-EFFECTIVE FOAM CONTROL: Use Bastion’s Defoamer for pools, spas, hot tubs, fountains, and waterfalls, to finally and fully clear away pesky foam and suds from your water, leaving sparkling clear results. Comprising defoaming and anti-foaming properties, this formula takes care of all your foam needs, extending the duration of its results and giving you more time to relax. - FAST ACTING & EASY TO USE: Bastion’s powerful, professional-grade formula starts working instantly, cutting through foam and preventing future buildup. Super easy to use, simply pour in the recommended amount and watch the magic happen- Foam-free, crystal-clear water awaits! - NO OILY RESIDUE, NO CLOUDY WATER: Made with a silicone emulsion formula, Bastion’s concentrated defoamer completely and effectively eliminates foam, suds, and bubbles, without leaving behind an oily residue or water that’s milky or cloudy. Enjoy foamless water without compromise. - COMPATIBLE: This Defoamer by Bastion, due to its silicone base, does not alter your water’s chemistry. It maintains chlorine levels and is compatible with other water treatment chemicals. Use your regular cleaning products as usual, there’s no need to change up your routine. - 100% SAFE & NON-TOXIC: Safe for people and water. Free of harsh chemicals, Bastion’s Defoamer clarifier solution won’t irritate your eyes or skin. It’s also safe for your jewelry, and formulated for both fresh and saltwater; so go ahead, use it as needed, with peace of mind. Your family is safe with Bastion. This product is 100 % CRUELTY-FREE and proudly MADE in the U.S. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0996BRM1J | | Best Sellers Rank | #5,216 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #11 in Hot Tub Accessories | | Brand Name | Bastion | | Customer Reviews | 4.5 4.5 out of 5 stars (1,527) 4.5 out of 5 stars | | Item Form | Liquid | | Item Weight | 64 Ounces | | Manufacturer | Bastion | | Number Of Items | 1 | | Product Benefits | Prevents Foam | | Unit Count | 64.0 Fluid Ounces | ## Product Details - **Brand:** Bastion - **Item Form:** Liquid - **Item Weight:** 64 Ounces - **Number of Items:** 1 - **Product Benefits:** Prevents Foam ## Images ![Hot Tub Defoamer - Pool, Fountain, & Spa - Antifoam Concentrate - Silicone Emulsion - Quickly Removes & Prevents Foam in Water - Eco Friendly & Safe Formula - No Harsh Chemicals - 1/2 Gallon (64 oz.) - Image 1](https://m.media-amazon.com/images/I/71+SnUmgGVL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good defoamer *by on Reviewed in the United States May 16, 2026* Was told to by this product by my pool guy. It worked right away. ### ⭐⭐⭐⭐⭐ Great job *by on Reviewed in the United States March 21, 2026* Great product and works as expected. Thank you ### ⭐⭐⭐⭐⭐ Good quality *by on Reviewed in the United States April 28, 2026* Only one I buy ## Frequently Bought Together - Hot Tub Defoamer - Pool, Fountain, & Spa - Antifoam Concentrate - Silicone Emulsion - Quickly Removes & Prevents Foam in Water - Eco Friendly & Safe Formula - No Harsh Chemicals - 1/2 Gallon (64 oz.) - HTH Spa 86121 Clarifier, Concentrated Spa & Hot Tub Chemical for Crystal Clear Water, 16 oz - EASYTEST 9-Way Pool Test Strips, 140 Strips for Hot tub and Spa, Accurate Testing pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, Cyanuric Acid, Salt and Copper --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/367079926-hot-tub-defoamer-pool-fountain-and-spa-antifoam-concentrate-silicone](https://www.desertcart.us/products/367079926-hot-tub-defoamer-pool-fountain-and-spa-antifoam-concentrate-silicone) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-14*