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💧 Shock it. Clear it. Own your pool’s glow-up.
Blue Horizons Granular Shock Chlorine is a 5 kg tub of highly concentrated calcium hypochlorite granules designed for professional-grade pool and hot tub maintenance. It effectively controls algae, destroys swimmer waste, and maintains optimal pH and chlorine levels for crystal-clear, safe water. Ideal for routine bi-weekly shock treatments or emergency algae remediation, this product ensures your aquatic space stays pristine and inviting all year round.
| Asin | B00L8PGRV2 |
| Benefits | Controls Algae |
| Best Sellers Rank | 9,998 in Garden (See Top 100 in Garden) 68 in Chlorine |
| Brand Name | Blue Horizons |
| Customer Reviews | 4.6 4.6 out of 5 stars (214) 4.6 out of 5 stars |
| Item Form | Granular |
| Item Highlight | alcium hypochlorite granular shock chlorine |
| Item Type Name | Granular Shock Chlorine |
| Item Weight | 5 Kilograms |
| Manufacturer | CPC |
| Manufacturer Part Number | BWP431-5 |
| Number Of Items | 1 |
| Unit Count | 5000 gram |
User
Used to Remove BLACKSPOT on my patio.
If you have a patio with natural sand stone and it’s covered in blackspot this is incredible in getting it clean and spotless .Just add some to very hot boiling water in a watering can and water your black spot away .
User
What a brilliant company.
Exactly ask expected with the bonus of fantastic customer service. Parcel wasn't delivered by courier & customer services contacted us through Amazon. They immediately sent a replacement out by another courier.Original parcel eventually turned up & countrywise told us to keep both deliveries. There really was no need as they had already replaced, but their kindness & quick responses to resolve the matter will not be forgotten. Will definitely be ordering from this company again. I can not praise them enough. Thank you Countrywise
User
Great product
Works great just takes a lot of water and stirring to dissolve
User
Does what it says on the tin
Its a good product. I did not pay for next day delivery and the quoted delivery date was not met. I will allow a little extra time to allow for courier delays if i order again or buy via prime.
User
Amazing product
Brilliant stuff! Does exactly what is says it does. Went from green to clear really quickly in less than an hour. You could see it working it was so quick
User
The best one out there
Sadly all the chlorine shock prices have gone through the roof , but this one is still worth it . Does a fab job and quickly
User
Ease of dosing
The square containers are alot harder to open than the round ones at first, and continue to be so throughout their use, i have a little plastic cup which i use to weigh out the dose and the top keeps shutting as i try and fill it.Very service always arrives before due date.
User
Quickly cleaned the pool!
Works a treat when I’ve neglected the pool for a short while. Turns it form green to clear pretty quickly!!
Trustpilot
2 days ago
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