From our technical experts


Blue Horizons Stabilised Chlorine Granules

from: £10.50

  • Stabilised chlorine granules
  • Use for daily disinfection
  • Minimal effect on pH
  • Available in 1kg, 2kg, 5kg & 25kg.
SKU: 1416 Categories: ,


The most common way to kill bacteria in your pool and keep your swimming pool water healthy is to use chlorine. Before using chlorine, it is important to have a correct water balance first. Once this has been achieved, chlorine levels between 1.0-3.0 mg/l should be satisfactory to preserve bacteria free swimming pool water. There are two ways to tell if your pool is a well-managed chlorine treated swimming pool is that it will have no odour and the level of chloramines will be less than 0.5 mg/l. Here at Cascade Pools we have a wide range of swimming pool chemicals for you to choose from to suit your swimming pool requirements.
Granular stabilised chlorine
Minimal effect on pH
This product may be applied directly to pools and spas where temperatures exceed 20 degrees Celcius
B – Balance (pH & TA)
O – Oxidise (Shock)
A – Algaecide (Algae prevention)
S – Sanitise (Chlorine)
T – Test

  • Blue Horizons Stabilised Chlorine Granules
  • To be used for daily disinfection of your swimming pool or spa
  • Available in 1kg, 2kg, 5kg and 25kg containers
  • Part of the BOAST system

Additional information


1kg, 2kg, 5kg, 25kg

How to treat green water

Find out all you need to know about algae and green water, how to treat it and how to cure it.

Returns Policy

Your rights to return goods are protected under the EU Distance Selling Directive.

You are entitled to cancel your order and return the goods within 7 working days for a full refund not including the cost of delivery. Do this by contacting us by email or telephone and quoting the order number supplied to you. Your refund will be paid within 30 days. You are responsible for the cost and risk of loss or damage when returning the goods, so you should take out enough postal insurance to cover their value. This cancellation policy does not affect your rights when we are at fault - for example, if goods are faulty or incorrectly-described.

Exclusions: Bespoke items (made to measure items) are not included and cannot be returned. If a bespoke item is faulty then the product warranty /guarantee will take effect.

Any goods returned should be in saleable condition.

These terms apply to your order. We may change our terms and conditions at any time, so please do not assume that the same terms will apply in the future.

None of these terms affect your legal rights and these are not diminished in any way. If any term is held to be invalid under any applicable statute or rule of law, that term is automatically omitted from the terms to minimum extent necessary to comply with the law and without affecting the validity or enforceability of the remainder.