--- product_id: 259165105 title: "Certikin Poolgel Crystal Water Ctx-39 | Keep Your Pool Clear With Gel 90G Improves The Efficiency Of Disinfectants And Helps To Adjust Chlorine Ph Their Optimum Levels, Blue" brand: "certikin" price: "€ 29.25" currency: EUR in_stock: true reviews_count: 2 category: "Certikin" url: https://www.desertcart.gr/products/259165105-certikin-poolgel-crystal-water-ctx-39-keep-your-pool-clear store_origin: GR region: Greece --- # Works overnight to clear suspended particles 90g single-dose gel for precise use Boosts disinfectant efficiency & balances pH Certikin Poolgel Crystal Water Ctx-39 | Keep Your Pool Clear With Gel 90G Improves The Efficiency Of Disinfectants And Helps To Adjust Chlorine Ph Their Optimum Levels, Blue **Brand:** certikin **Price:** € 29.25 **Availability:** ✅ In Stock ## Summary > 💦 Dive into crystal clarity with CTX-39 – your pool’s overnight secret weapon! ## Quick Answers - **What is this?** Certikin Poolgel Crystal Water Ctx-39 | Keep Your Pool Clear With Gel 90G Improves The Efficiency Of Disinfectants And Helps To Adjust Chlorine Ph Their Optimum Levels, Blue by certikin - **How much does it cost?** € 29.25 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/259165105-certikin-poolgel-crystal-water-ctx-39-keep-your-pool-clear) ## Best For - certikin enthusiasts ## Why This Product - Trusted certikin brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eco-Friendly Pool Perfection:** Reduces chemical waste and supports a cleaner, greener swimming environment. - • **Precision Dosing, Zero Waste:** Single 90g gel dose eliminates guesswork and mess for hassle-free pool care. - • **Universal Pool Compatibility:** Ideal for all pool types except cartridge or diatomaceous earth filters—versatile and reliable. - • **Overnight Clarification Power:** Activates during the night to gather and remove clouding particles effortlessly. - • **Optimized Chlorine & pH Balance:** Enhances disinfectant power while maintaining perfect chemical harmony. ## Overview The CTX-39 Poolgel Crystal Water is a 90g single-dose clarifying gel designed to improve pool water clarity by enhancing disinfectant efficiency and optimizing chlorine and pH levels. It works overnight to collect suspended particles, making filtration easier and more effective. Suitable for most pool types except those with cartridge or diatomaceous earth filters, this eco-conscious product simplifies pool maintenance with precise dosing and proven CTX expertise. ## Description Water Problems Gel Pods Water Crystal Clear And Pure Of The Easiest Way. Without Manipulation Or Complicated Dosing Systems. Never Was Easier To Enjoy The Glow Of Water. Ideal For: All Types Of Pools Except/Cartridge Filters Diatoms Added Value: Its Format Gel Pod Lets You Measure Of A Way More Comfortable And Accurate Poolgel Collects Particles Coloidales And Algae Spores To Facilitate Your Collection By The Filter. Increases The Efficiency Of The Filter. Helps To Maintain The Water Of Your Pool Crystal Clear And Glowing. Improves The Effectiveness Of The Products Disinfectants. Review: ممتاز جدا - ممتاز جدا يفضل استخدامه بعد الانتهاء من التنظيف واضافة الكلور وينحط في الاسكيمر وصراحة يزيد من نقاوة الماء وشفافيته، Review: Un solo articolo per un prezzo esagerato - L'articolo viene mostrato come una scatola contenente diverse pastiglie, ma in realtà ne attiva solo una a un prezzo esagerato che in negozio si paga 4 euro a pastiglia. La politica di desertcart su questi articoli non permette di restituirli. ## Features - Pack contain 1 pcs (90g) Crystal Gel : Enjoying a crystal clear swimming pool is easier than ever before with the CTX-39 Pool Gel purifier. CTX, the leading brand for the care and treatment of pool water, has created this groundbreaking clarifying agent to help you keep your pool clean and glistening. - Its single-dose design means it is easier to measure out the CTX product more precisely, without needing to deal with complicated dosage systems, and the fact that it is a chemical product certainly makes this a valuable feature. With the CTX-39 Pool Gel, cleaning pools has become a much more efficient and ecological process. It is very easy to use as it works during the night, when it gathers colloid particles and algal spores to make it easier for the filter to absorb them. - The gel’s clarifying agent not only helps eradicate the suspended particles that cloud the water, it also improves the efficiency of disinfectants and helps to adjust chlorine and pH to their optimum levels. CTX-39 Pool Gel is ideal for all kinds of swimming pools, except those that use either a cartridge or a diatomaceous earth filter. - With 30 years of experience and a continuously expanding range of products, CTX has become an undisputed international leader in swimming pool maintenance. The brand’s research team has conceived a wide range of chemical and water testing products, control and dosage systems, and disinfection devices that reassure experts in the pool business, and private pool owners alike, that they really are in the best hands. ## Technical Specifications | Specification | Value | |---------------|-------| | Part number | CTX-39 | | Manufacturer | CTX | | Item model number | CTX-39 | | ASIN | B01BV5VPFQ | ## Images ![Certikin Poolgel Crystal Water Ctx-39 | Keep Your Pool Clear With Gel 90G Improves The Efficiency Of Disinfectants And Helps To Adjust Chlorine Ph Their Optimum Levels, Blue - Image 1](https://m.media-amazon.com/images/I/51Lg6VpV0jL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ ممتاز جدا *by Q***I on 1 September 2021* ممتاز جدا يفضل استخدامه بعد الانتهاء من التنظيف واضافة الكلور وينحط في الاسكيمر وصراحة يزيد من نقاوة الماء وشفافيته، ### ⭐ Un solo articolo per un prezzo esagerato *by C***N on 25 August 2021* L'articolo viene mostrato come una scatola contenente diverse pastiglie, ma in realtà ne attiva solo una a un prezzo esagerato che in negozio si paga 4 euro a pastiglia. La politica di Amazon su questi articoli non permette di restituirli. ## Frequently Bought Together - Certikin Poolgel Crystal Water Ctx-39 | Keep Your Pool Clear With Gel 90G Improves The Efficiency Of Disinfectants And Helps To Adjust Chlorine Ph Their Optimum Levels, Blue - AquaChek Chlorine Test Strips --- ## 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.gr/products/259165105-certikin-poolgel-crystal-water-ctx-39-keep-your-pool-clear](https://www.desertcart.gr/products/259165105-certikin-poolgel-crystal-water-ctx-39-keep-your-pool-clear) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-07*