
Notified by email when this product becomes available
£64.99
Product Description
The H2O Hot Tubs and Swim Spas Chlorine Kit is the most straightforward way to get your water balanced and safe from day one, giving you everything needed in a single purchase rather than sourcing individual chemicals separately. Supplied by Goldhorizons, this hot tub chlorine kit UK package covers sanitisation, pH correction in both directions, and total alkalinity adjustment, making it a proper all-in-one solution for new H2O hot tub and swim spa owners setting up for the first time.
Each swim spa chlorine starter kit comes with 50 three and four-way test strips so you can monitor water chemistry accurately after every dose without needing a separate testing kit. As a hot tub chlorine treatment kit, it covers the four core water quality parameters that matter most for safe, clear water, it is one of the most practical and affordable hot tub chemical starter kits UK options available for anyone who wants clean, properly balanced water from the very first fill.
Features
- Designed for H2O hot tubs and swim spas as a complete water chemistry starter kit
- 500g chlorine granules for ongoing water sanitisation
- 750g pH Minus to lower pH when levels run too high
- 500g pH Plus to raise pH when levels drop too low
- 500g TA Plus to balance total alkalinity and stabilise water chemistry
- 50 x 3/4-way test strips for regular and accurate water testing
- Covers all four core water chemistry parameters in a single purchase
- Supplied by Goldhorizons
Specifications
Detail | Information |
Product Name | H2O Hot Tubs and Swim Spas Chlorine Kit |
Product Type | Complete hot tub chemical starter kit |
Compatibility | H2O hot tubs and swim spas |
Installation | No installation required, ready to use on delivery |
Application | Full water chemistry management covering sanitisation, pH and alkalinity |
Use | First fill and ongoing water maintenance for H2O hot tubs and swim spas |
Category | Hot tub chemical starter kit |
Shipping Information
Free UK delivery on orders over £250, specialist handling for large equipment, optional installation, and full warranty protection.
Frequently Asked Questions
Why do I need all five items in this kit rather than just chlorine?
Chlorine only works effectively within a specific pH range. If your pH is too high or too low, the chlorine becomes far less active even at the correct dose. The pH Minus, pH Plus, and TA Plus products ensure your water chemistry stays in the right window so the chlorine can actually do its job properly.
What is total alkalinity, and why does the kit include TA Plus?
Total alkalinity acts as a buffer that stops your pH from swinging up and down rapidly after each dose of chemicals or each use of the spa. Keeping it in the correct range, typically 80 to 150 ppm, makes pH much more stable and reduces how often you need to make corrections.
How often should I be testing the water with the test strips?
For a hot tub in regular use, testing two to three times per week is a reasonable routine. After heavy use or a period of warmer weather, testing daily for a short period helps you catch any imbalance before it affects water clarity or becomes a hygiene concern.
Can this chlorine starter kit be used with any hot tub, or is it specific to H2O models?
The chemicals themselves work in any hot tub or swim spa water. The kit is listed under the H2O range because it is sold alongside H2O products as a convenient first purchase, but there is nothing in the formulation that limits it to H2O units specifically.
How long will the 500g of chlorine last with regular use?
This depends on the size of your spa, water temperature, bather load, and how frequently it is used. For a standard five to six-person hot tub used several times per week, 500g typically covers four to eight weeks of routine dosing. Swim spas with larger water volumes will go through it faster.
What chlorine level should I be aiming for in my hot tub water?
The recommended free chlorine level for hot tubs is generally between 3 and 5 ppm. Anything below 1 ppm leaves the water under-sanitised, while levels above 5 ppm can cause skin and eye irritation. The included test strips measure this directly, so you can dose accurately each time.
Pay Over Time
We provide easy and affordable financing with our partner so you can purchase over time
Affordable Monthly Plan
Buy now and pay for your purchase over time at competitive rates.
No Prepayment Penalties
Pay for your purchase with monthly payments and prepay at any time without penalty.
Easy Application
Get a decision in seconds with no obligation to buy. Checking your rate won’t affect your credit score. Your data is safe and encrypted.
"Its Easy"
Spread the cost effortlessly. Add your sauna to cart, choose Klarna at checkout, receive your order, and pay in manageable installments over time — simple, flexible, and stress-free.