--- product_id: 17405401 title: "pH Up & Alkalinity Increaser for Hot Tub – Pool Shock, Alkalinity Up, pH Increaser and Alkaline Booster for Spa or Pool, Maintain Balanced Water Quality and Clear Water Use – 2 Pounds" brand: "hot tub things" price: "227 zł" currency: PLN in_stock: true reviews_count: 8 url: https://www.desertcart.pl/products/17405401-ph-up-and-alkalinity-increaser-for-hot-tub-pool-shock store_origin: PL region: Poland --- # Compatible with pools & spas up to 2000 gallons Quick, hassle-free application Balances pH & alkalinity precisely pH Up & Alkalinity Increaser for Hot Tub – Pool Shock, Alkalinity Up, pH Increaser and Alkaline Booster for Spa or Pool, Maintain Balanced Water Quality and Clear Water Use – 2 Pounds **Brand:** hot tub things **Price:** 227 zł **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your spa game with perfectly balanced water—because your relaxation deserves precision! ## Quick Answers - **What is this?** pH Up & Alkalinity Increaser for Hot Tub – Pool Shock, Alkalinity Up, pH Increaser and Alkaline Booster for Spa or Pool, Maintain Balanced Water Quality and Clear Water Use – 2 Pounds by hot tub things - **How much does it cost?** 227 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/17405401-ph-up-and-alkalinity-increaser-for-hot-tub-pool-shock) ## Best For - hot tub things enthusiasts ## Why This Product - Trusted hot tub things brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** Works seamlessly with chlorine, bromine, and mineral purification systems for all hot tubs and pools. - • **Effortless Spa Maintenance:** Simple granular formula with step-by-step dosing instructions—spa care made easy and fast. - • **Optimized for Large Systems:** Effective treatment for pools and spas up to 2000 gallons, keeping your water balanced and inviting. - • **Trusted Quality Backed by 30+ Years:** Industry-proven formula ensures reliable water chemistry and superior spa performance. - • **Perfectly Balanced Water, Every Time:** Maintain crystal-clear, corrosion-free spa water with precise pH and alkalinity control. ## Overview Hot Tub Things’ pH Up & Alkalinity Increaser is a granular formula designed to raise alkalinity and stabilize pH levels in hot tubs and pools up to 2000 gallons. Compatible with chlorine, bromine, and mineral systems, it prevents corrosion and maintains clear, balanced water with minimal effort. Backed by over 30 years of industry expertise, this 2-pound booster simplifies spa maintenance and ensures optimal water quality for a superior relaxation experience. ## Description pH Up & Alkalinity Increaser for Hot Tub – Pool Shock, Alkalinity Up, pH Increaser and Alkaline Booster for Spa or Pool, Maintain Balanced Water Quality and Clear Water Use – 2 Pounds ## Features - BALANCED WATER, EVERY TIME - Keep your hot tub's water perfectly balanced with Hot Tub Things’ alkalinity increaser. It effectively raises alkalinity and stabilizes pH, ensuring your spa water remains clear, clean, and ideal for relaxation, with minimal maintenance. - WORKS WITH ALL HOT TUB SYSTEMS - Whether you use chlorine, bromine, or mineral purifiers, our alkalinity increaser is designed for compatibility with various spa systems. Suitable for hot tubs and pools up to 2000 gallons, it ensures efficient water treatment across all systems. - EASY TO USE & MAINTAIN - Hot Tub Things’ alkaline increaser offers a straightforward approach to spa care. Simply add the correct amount during your routine water checks. With effortless application, keeping your spa water in optimal condition is quick and hassle-free. - SIMPLIFIED WATER MANAGEMENT - Achieve precise alkalinity adjustments with ease. Our step-by-step instructions guide you through the process, ensuring accurate dosing for consistent results. Enjoy balanced water chemistry without the guesswork, so your spa is always ready for relaxation. - EXPERIENCE RELIABLE QUALITY - Backed by over 30 years of industry expertise, Hot Tub Things offers high-quality spa products trusted by professionals. Our alkalinity increaser helps maintain your spa water at peak performance, giving you a superior spa experience with every use. ## Technical Specifications | Specification | Value | |---------------|-------| | Product Benefits | Corrosion,Alkalinity Increaser | | Item Form | Granular | | Item Weight | 2.1 Pounds | ## Product Details - **Brand:** Hot Tub Things - **Item Weight:** 2.1 Pounds - **Item Form:** Granular - **Product Benefits:** Corrosion,Alkalinity Increaser - **UPC:** 850511004246 ## Images ![pH Up & Alkalinity Increaser for Hot Tub – Pool Shock, Alkalinity Up, pH Increaser and Alkaline Booster for Spa or Pool, Maintain Balanced Water Quality and Clear Water Use – 2 Pounds - Image 1](https://m.media-amazon.com/images/I/614imfRR27L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great Product *by M***H on May 22, 2024* I used this for pH control in the Hot Tub and it works Great. ### ⭐⭐⭐⭐⭐ Works & last a LONG time *by A***R on May 23, 2019* We have used a full line of Hot Tub Things product for 3 years. They are simply to use, keep our large spa clean, clear, and balanced. The ph+ product is used very occasionally and one 32 oz has lasted 3 YEARS! ### ⭐⭐⭐⭐⭐ Does the job *by N***U on July 25, 2023* Product worked perfectly fine for my application. ## Frequently Bought Together - Hot Tub Things pH Up & Alkalinity Increaser for Hot Tub, Pool & Spa – pH Plus & Alkaline Up, Alkalinity Booster, Maintain Balance Water Quality & Prevent Corrosion – Spa pH Increaser – 2 Pounds - Hot Tub Things Spa Water Clarifier - Clears Cloudy Water, Improves Water Clarity & Softness, Enhances Spa Quality, Reduces Impurities, Fast-Acting Hot Tub Treatment - 32 Ounce - Hot Tub Things Chlorine Granules for Hot Tub & Spa, Quick-Dissolving Chlorinating Concentrate Disinfectant & Oxidizer, Pool Sanitizer & Shock Treatment for Clean Water, Sodium Dichlor Powder, 2 lbs --- ## 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.pl/products/17405401-ph-up-and-alkalinity-increaser-for-hot-tub-pool-shock](https://www.desertcart.pl/products/17405401-ph-up-and-alkalinity-increaser-for-hot-tub-pool-shock) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-22*