---
product_id: 238394922
title: "HTH Advanced Unstabilised Chlorine Tablets for Swimming Pools"
brand: "hth"
price: "$827336"
currency: COP
in_stock: false
url: https://www.desertcart.co/products/238394922-hth-advanced-unstabilised-chlorine-tablets-for-swimming-pools
store_origin: CO
region: Colombia
---

# 5-7 days slow dissolve Blue color for easy ID For pools 20m³+ HTH Advanced Unstabilised Chlorine Tablets for Swimming Pools

**Brand:** hth
**Price:** $827336
**Availability:** ❌ Out of Stock

## Summary

> 💧 Keep your pool crystal clear, effortlessly and stylishly.

## Quick Answers

- **What is this?** HTH Advanced Unstabilised Chlorine Tablets for Swimming Pools by hth
- **How much does it cost?** $827336 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/238394922-hth-advanced-unstabilised-chlorine-tablets-for-swimming-pools)

## Best For

- hth enthusiasts

## Why This Product

- Trusted hth brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Pool Care:** No wrapping, no mess—just drop and go.
- • **Skimmer-Ready Design:** Simply place in your skimmer basket for hassle-free sanitation.
- • **Distinctive Blue Tablets:** Avoid costly mix-ups with isocyanurates.
- • **Long-Lasting Chlorine Power:** Keeps your pool pristine for up to a week.
- • **Perfect for Medium to Large Pools:** Optimized dosing for pools 20m³ and above.

## Overview

HTH Advanced Unstabilised Chlorine Tablets deliver slow-dissolving, non-stabilised chlorine ideal for indoor and outdoor pools over 20m³. Their unique blue octagonal shape prevents confusion with other chemicals, while each 255g tablet lasts 5-7 days, ensuring consistent sanitation without the hassle of wrapping disposal. Packaged in a convenient 4.5kg container with 17 tablets, these are designed for easy use in skimmer baskets, compatible with salt chlorinators, and perfect for maintaining balanced, sparkling pool water.

## Description

Product description               HTH Advanced Unstabilised Calcium Hypochlorite Non-Stabilised Chlorine Tablets.These are the first true slow dissolving non-stabilised chlorine tablets, ideal for use in indoor pools where high cyanuric acid (stabiliser) levels can be a problem. These tablets are designed to slowly dissolve over approximately 6 days and can be placed into your skimmer baskets, just like regular chlorine tablets.These tablets are octagonal shaped, and blue in colour so as to easily differentiate from standard Trichlor tablets.Please note that due to their size and shape, these tablets cannot be placed into standard chlorine tablet feeders.This is a 4.5kg pack and contains 17 tablets.FeaturesConvenient to use tablets with no wrapping to dispose ofBlue in colour to avoid mixing with isocyanuratesLong-lasting 5-7 daysFor pools from 20m3255g Tablets4.5kg ContainerInstructionsCompatible with salt chlorinators.Make sure the filtration system is running.Adjust the pH to between 7.0 and 7.4.In an outdoor pool, keep the stabiliser level between 25 – 50mg/lTablets are designed to be used in a skimmer.Add 1 tablet per 20 to 25m3 of water, every 5 or 7 days.To obtain well-balanced water, maintain the alkalinity (TAC) between 60 and 120mg/l                  Directions               Use these tablets to treat and maintain the chlorine levels in your swimming pool

## Features

- Convenient to use tablets with no wrapping to dispose of
- Blue in colour to avoid mixing with isocyanurates
- Long lasting 5-7 days For pools from 20m3
- 255g Tablets 4.5kg Container

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 4.5 kg |
| Manufacturer | HTH |
| ASIN | B08LH6CLK9 |

## Product Details

- **Brand:** HTH
- **Item weight:** 4.5 Kilograms
- **Item form:** Tablet
- **Product benefits:** for pools
- **Number of items:** 1

## Images

![HTH Advanced Unstabilised Chlorine Tablets for Swimming Pools - Image 1](https://m.media-amazon.com/images/I/51RWugu63yL.jpg)

## Frequently Bought Together

- HTH Advanced Unstabilised Chlorine Tablets for Swimming Pools
- Bluewater 5kg Shock Chlorine Granules Swimming Pool & Spa
- 7kg pH Minus - Bluewater Swimming Pool & Spa Chemicals - PoolShopUK

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-03-12*