--- product_id: 80495632 title: "Blue Horizons Small Chlorine 20g Tablets - Tub of 5 KG" brand: "blue horizons" price: "$221.11" currency: USD in_stock: true reviews_count: 7 category: "Blue Horizons" url: https://www.desertcart.us/products/80495632-blue-horizons-small-chlorine-20g-tablets-tub-of-5-kg store_origin: US region: United States of America --- # 3-5 days slow dissolve 1-3 mg/l ideal chlorine level 5 kg bulk tub Blue Horizons Small Chlorine 20g Tablets - Tub of 5 KG **Brand:** blue horizons **Price:** $221.11 **Availability:** ✅ In Stock ## Summary > 💧 Keep your pool perfectly balanced and swim-ready, all season long! ## Quick Answers - **What is this?** Blue Horizons Small Chlorine 20g Tablets - Tub of 5 KG by blue horizons - **How much does it cost?** $221.11 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/80495632-blue-horizons-small-chlorine-20g-tablets-tub-of-5-kg) ## Best For - blue horizons enthusiasts ## Why This Product - Trusted blue horizons brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Pool Care:** Maintain ideal chlorine levels between 1-3 mg/l effortlessly - • **Bulk Supply Advantage:** 5 kg tub ensures long-lasting pool maintenance without frequent reorders - • **Versatile Application:** Compatible with skimmers, floating dispensers, and feeders - • **Optimized Water Balance:** Works best with pH adjusted to 7.2-7.6 for maximum effectiveness - • **Consistent Chlorine Release:** Slowly dissolves over 3-5 days for steady sanitation ## Overview Blue Horizons Small Chlorine 20g Tablets come in a 5 kg tub designed for slow, controlled chlorine release over 3-5 days. Ideal for maintaining pool chlorine levels between 1-3 mg/l, these tablets work seamlessly with skimmers, floating dispensers, and chlorine feeders. For optimal performance, adjust pool pH to 7.2-7.6 before use. Perfect for professional-grade pool care with minimal hassle. ## Description Product description These Blue Horizons chlorine tablets are designed to slowly erode over a period of 3-5 days, depending on the water flowing over them. As they release chlorine relatively slowly it may be necessary to shock dose or oxidise prior to their first establish some chlorine more rapidly. Ideal chlorine levels are between 1-3 mg/l (ppm) as tested by a test kit. Prior to using this product, adjust the pH levels to the ideal range of 7.2-7.6. The chlorine tablets can be used either: In a skimmer by placing one tablet in the skimmer basket per 45,450 litres and adjust tablet numbers as necessary to take account of your water flow to achieve 1-3mg/l (ppm) relatively consistently., floating dispenser and chlorine feeder In a floating dispenser, fill the floating dispenser with tablets and adjust the aperture mechanism at the bottom of the dispenser to obtain the 1-3 mg/l (ppm) desire range. Alternatively keep the dispenser aperture constant and vary the tablets inside to achieve 1-3 mg/l (ppm). The dispenser should be removed from the pool while swimmers are bathing. In a chlorine feeder, this 20g small tablet will be required. Fill the dispenser and follow feeder instruction manuals on flow regulation to maintain 1-3mg/l (ppm) chlorine levels. Directions 1. If using a skimmer, place one tablet in the skimmer basket per 45,450 litres and adjust tablet numbers as necessary to take account of your water flow to achieve 1-3mg/l (ppm) relatively consistently. 2. If using a floating dispenser, fill the floating dispenser with tablets and adjust the aperture mechanism at the bottom of the dispenser to obtain the 1-3 mg/l (ppm) desire range. Alternatively, keep the dispenser aperture constant and vary the tablets inside to achieve 1-3 mg/l (ppm). The dispenser should be removed from the pool while swimmers are bathing. 3. If using a chlorine feeder, fill the dispenser with 20g small tablets and follow feeder instruction manuals on flow regulation to maintain 1-3mg/l (ppm) chlorine levels. 4. Prior to using this product, adjust the pH levels to the ideal range of 7.2-7.6. 5. As the tablets release chlorine relatively slowly, it may be necessary to shock dose or oxidise prior to their first use to establish some chlorine more rapidly. Ideal chlorine levels are between 1-3 mg/l (ppm) as tested by a test kit. Review: POOL CHEMICALS - Great service and price. Would deal with this firm again. Review: Good value - Perfect and very quick delivery ## Features - These Blue Horizons chlorine tablets are designed to slowly erode over a period of 3-5 days, depending on the water flowing over them. - As they release chlorine relatively slowly it may be necessary to shock dose or oxidise prior to their first establish some chlorine more rapidly. - Ideal chlorine levels are between 1-3 mg/l (ppm) as tested by a test kit. - Prior to using this product, adjust the pH levels to the ideal range of 7.2-7.6. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00NGAIG8O | | Benefits | Maintains Clean Sanitized Water, Kills Bacteria | | Best Sellers Rank | 48,431 in Garden ( See Top 100 in Garden ) 225 in Chlorine | | Brand Name | Blue Horizons | | Customer Reviews | 4.6 4.6 out of 5 stars (71) | | Global Trade Identification Number | 08142430692904 | | Item Form | Tablet | | Item Weight | 5 Kilograms | | Manufacturer Part Number | BWP205-5 | | Unit Count | 5000 gram | ## Product Details - **Brand:** Blue Horizons - **Global Trade Identification Number:** 08142430692904 - **Item form:** Tablet - **Item weight:** 5 Kilograms - **Product benefits:** Maintains Clean Sanitized Water, Kills Bacteria ## Images ![Blue Horizons Small Chlorine 20g Tablets - Tub of 5 KG - Image 1](https://m.media-amazon.com/images/I/71whX0VR-GL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ POOL CHEMICALS *by S***2 on 14 April 2023* Great service and price. Would deal with this firm again. ### ⭐⭐⭐⭐ Good value *by M***S on 6 December 2021* Perfect and very quick delivery ### ⭐⭐⭐⭐⭐ Good value *by M***N on 10 August 2020* A lot in there will keep use going for a bit and had no geen stuff in the hit tub from using them --- ## 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/80495632-blue-horizons-small-chlorine-20g-tablets-tub-of-5-kg](https://www.desertcart.us/products/80495632-blue-horizons-small-chlorine-20g-tablets-tub-of-5-kg) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-17*