Chlorine Granular Shock
Our Chlorine Granular Shock is a powerful, stabiliser free, fast-acting chlorine-based sanitiser designed to provide rapid disinfection and oxidation for swimming pools and spas.
This highly effective product ensures crystal-clear, safe, and hygienic water by eliminating bacteria, algae, and other harmful contaminants such as sweat, oils, and lotions, enhancing overall water quality.
The high chlorine content delivers immediate sanitising power and is suitable for both routine maintenance and emergency shock treatments in swimming pools and spas.
Granular form allows for straightforward application and accurate dosing.
Usage Instructions:
- Preparation: Ensure the pool or spa water is balanced, with pH levels between 7.2 and 7.6.
- Dosage: Calculate the required amount of Chlorine Granular Shock based on the volume of water. Refer to the product label for specific dosing instructions.
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Application:
- Routine Maintenance: Broadcast the granular shock evenly over the surface of the water while the pump and filter are running.
- Shock Treatment: For intensive treatments, dissolve the granular shock in a bucket of water before adding it to the pool or spa to prevent bleaching of surfaces.
- Circulation: Allow the water to circulate for at least 4-6 hours to ensure thorough mixing and disinfection.
- Testing: After treatment, test the chlorine levels and adjust as necessary before resuming normal pool or spa use.
Available in different pack sizes:
SHGRAN1OL:1kg
SHGRAN2OL: 2kg
SHGRAN5OL: 5kg
Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.