--- product_id: 61125318 title: "RectorSeal Calci-Free 68708 Tankless Water Heater Cleaner, Easy Application, Plumbing, 1.2 lb" brand: "rectorseal" price: "$54.79" currency: USD in_stock: true reviews_count: 10 category: "Rectorseal" url: https://www.desertcart.us/products/61125318-rectorseal-calci-free-68708-tankless-water-heater-cleaner-easy-application store_origin: US region: United States of America --- # Fast-acting in 20 mins No splash, easy application Unique organic/inorganic formula RectorSeal Calci-Free 68708 Tankless Water Heater Cleaner, Easy Application, Plumbing, 1.2 lb **Brand:** rectorseal **Price:** $54.79 **Availability:** βœ… In Stock ## Summary > πŸ’§ Give your tankless water heater the VIP spa treatment it deserves! ## Quick Answers - **What is this?** RectorSeal Calci-Free 68708 Tankless Water Heater Cleaner, Easy Application, Plumbing, 1.2 lb by rectorseal - **How much does it cost?** $54.79 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/61125318-rectorseal-calci-free-68708-tankless-water-heater-cleaner-easy-application) ## Best For - rectorseal enthusiasts ## Why This Product - Trusted rectorseal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Effortless Use:** No splash crystals & odor-free for hassle-free application πŸ”§ - β€’ **Advanced Formula:** Patented blend of organic & inorganic cleaners for deep descaling πŸ§ͺ - β€’ **Rapid Restoration:** Revives water flow & pressure in just 20 minutes ⚑ - β€’ **Superior to Vinegar:** Works twice as fast and more effectively than traditional cleaners πŸš€ - β€’ **Trade-Trusted Quality:** Preferred by HVAC and plumbing pros for reliable performance πŸ› οΈ ## Overview RectorSeal Calci-Free is a 1.2 lb fast-acting, odorless descaler designed specifically for tankless water heaters. Its patented organic and inorganic formula removes calcium and solid deposits efficiently, restoring optimal water flow and pressure within 20 minutes. Trusted by professionals, it offers a superior, no-mess alternative to vinegar for routine maintenance in residential and commercial settings. ## Description Product Description Calci-Free is an efficient chemical descaler specifically formulated for tankless water heaters found in residential and commercial applications. Tankless water heater cleaner is easy to use with no strong odor. Can easily be applied to any type of tankless water heater. No splash crystal product. Fast acting and cleans heat exchanger quickly. More effective than vinegar; restores water flow, pressure, and circulation in twenty minutes. Calci-Free tankless water heater flush; 1.2 lbs. Contains a unique combination of organic and inorganic cleaners and patented corrosion inhibitors. For routine cleaning to remove calcium and other solid deposits from heating coils in tankless water heaters. FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets. From the Manufacturer Calci-Free Tankless Water Heater Flush Cleans heater coils thoroughly. Restores pressure and circulation in minutes, with no strong odor. Calci-Free is a unique, economical, biodegradable cleaner containing a combination of organic, inorganic and corrosion inhibiting ingredients. It is easy to use and works twice as fast as other cleaners.-1.2-Pound (12-Piece) Review: let this potion do the work for you. - Let me tell you about this magical little potion called the Rectorseal Calci-Free Tankless Water Heater Flush. First off, the name is a mouthful – it's like they couldn't decide whether to call it a flush, a descaler, or a fancy spa treatment for your water heater. When you open the tub, it looks like a batch of those fizzy bath bombs that are all the rage these days. But instead of turning your tub into a lavender-scented oasis, this stuff is going to give your tankless water heater the deep cleaning it deserves. And let's be real, those things probably need it after all the hot water abuse we put them through. The instructions are simple enough: dump it in, let it do its magic, and boom – your water heater is as good as new. No more weird buildup or funky smells when you turn on the shower. Just pure, unadulterated hot water goodness. Now, I know what you're thinking: "But wait, couldn't I just use some good old-fashioned vinegar for this?" Sure, you could. But where's the fun in that? The Rectorseal Calci-Free is like the spa day your water heater never knew it needed. It's like a deep tissue massage for all those hard-to-reach places. And let's not forget the best part: you don't even have to get your hands dirty. Just toss it in and let the little fizzy guys go to town. It's like having a tiny cleaning crew working tirelessly inside your water heater. So, if you're tired of dealing with mineral buildup and want to give your tankless water heater the royal treatment, do yourself a favor and grab some Rectorseal Calci-Free. Review: Works Great and Shipped Fast! - I’m very happy with this purchase. The RectorSeal Calci-Free Tankless Water Heater Cleaner worked really well and was easy to apply. It did exactly what it’s supposed to do and helped clean my tankless water heater without any hassle. Shipping was fast and the product arrived in great condition. Very satisfied and would definitely buy again. ⭐⭐⭐⭐⭐ ## Features - APPLICATION: Calci-Free is an efficient chemical descaler specifically formulated for tankless water heaters found in residential and commercial applications - EASY APPLICATION: Tankless water heater cleaner is easy to use with no strong odor; can easily be applied to any type of tankless water heater; no splash crystal product - CONVENIENT: Fast acting and cleans heat exchanger quickly; more effective than vinegar; restores water flow, pressure, and circulation in twenty minutes - SPECIFICATIONS: Calci-Free tankless water heater flush; 1.2 lbs; contains a unique combination of organic and inorganic cleaners and patented corrosion inhibitors; for routine cleaning to remove calcium and other solid deposits from heating coils in tankless water heaters - FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B008A3UEAU | | Brand Name | Rectorseal | | Customer Reviews | 4.6 4.6 out of 5 stars (693) | | Global Trade Identification Number | 00021449687089 | | Included Components | Calci-Free | | Item Type Name | RectorSeal Calci-Free | | Item Weight | 1.2 Pounds | | Manufacturer | Rectorseal | | Number of Items | 1 | | Special Features | Fast acting, More effective than vinegar | | UPC | 021449687089 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Rectorseal - **Item Weight:** 1.2 Pounds - **Number of Items:** 1 - **Special Feature:** Fast acting, More effective than vinegar - **Unit Count:** 1.0 Count ## Images ![RectorSeal Calci-Free 68708 Tankless Water Heater Cleaner, Easy Application, Plumbing, 1.2 lb - Image 1](https://m.media-amazon.com/images/I/51bGUxgiQBL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ let this potion do the work for you. *by S***E on March 24, 2024* Let me tell you about this magical little potion called the Rectorseal Calci-Free Tankless Water Heater Flush. First off, the name is a mouthful – it's like they couldn't decide whether to call it a flush, a descaler, or a fancy spa treatment for your water heater. When you open the tub, it looks like a batch of those fizzy bath bombs that are all the rage these days. But instead of turning your tub into a lavender-scented oasis, this stuff is going to give your tankless water heater the deep cleaning it deserves. And let's be real, those things probably need it after all the hot water abuse we put them through. The instructions are simple enough: dump it in, let it do its magic, and boom – your water heater is as good as new. No more weird buildup or funky smells when you turn on the shower. Just pure, unadulterated hot water goodness. Now, I know what you're thinking: "But wait, couldn't I just use some good old-fashioned vinegar for this?" Sure, you could. But where's the fun in that? The Rectorseal Calci-Free is like the spa day your water heater never knew it needed. It's like a deep tissue massage for all those hard-to-reach places. And let's not forget the best part: you don't even have to get your hands dirty. Just toss it in and let the little fizzy guys go to town. It's like having a tiny cleaning crew working tirelessly inside your water heater. So, if you're tired of dealing with mineral buildup and want to give your tankless water heater the royal treatment, do yourself a favor and grab some Rectorseal Calci-Free. ### ⭐⭐⭐⭐⭐ Works Great and Shipped Fast! *by J***C on March 6, 2026* I’m very happy with this purchase. The RectorSeal Calci-Free Tankless Water Heater Cleaner worked really well and was easy to apply. It did exactly what it’s supposed to do and helped clean my tankless water heater without any hassle. Shipping was fast and the product arrived in great condition. Very satisfied and would definitely buy again. ⭐⭐⭐⭐⭐ ### ⭐⭐⭐⭐⭐ Does the job quite well *by K***R on March 30, 2026* This product worked very well, easy to use, not much odor, barely noticed it. ## Frequently Bought Together - Rectorseal 68708 1.2-Pound Calci-Free Tankless Water Heater Flush - 6699 Tankless Water Heater Flushing Kit Includes 1/6HP Submersible Sump Pump with Two Adapters & 3 Gallons Pail with Bucket Lid Opener & Two 1/2” Dia X 6’ PVC Hoses with Washers - J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) , White --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/61125318-rectorseal-calci-free-68708-tankless-water-heater-cleaner-easy-application](https://www.desertcart.us/products/61125318-rectorseal-calci-free-68708-tankless-water-heater-cleaner-easy-application) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*