10 bestPool Chemicalsof October 2025
112M consumers helped this year.
20% off
1

Clearwater CH0019 1 kg Multifunction Chlorine Tablets, 4-in-1 Dispenser Tablets (Sanitiser, Stabiliser, Algaecide and Clarifier) for Pools and Hot Tubs, 50 x 20 g, White
Clearwater

10.0
38% off
2

Clearwater CH0004 Chlorine Granules for Hot Tub Spa and Swimming Pool Water Treatment for Rapid Disinfecting and Cleaning, Jerry Can, 5 kg
Clearwater

10.0
18% off
3

Clearwater CH0005 PH Plus Increaser for Swimming Pool and Spa Treatment
Clearwater

9.8
11% off
4

BLUE SPARKLE Chemical Starter Kit for Hot tub Spa Swimming Pool Water Cleaning Treatment Set for Mspa (Includes Chlorine, pH Minus, pH Plus, Foam Remover and Test Strips, Measuring Spoons)
SHATCHI

9.6
5

Clearwater CH0009 Water Clarifier for Hot tub Spa and Swimming Water Treatment for Pristine Crystal Clear Water, 1 Litre
Clearwater

9.4
Other
30% off
6

Clearwater CH0017 Pool Chemical Starter Kit for Above Ground Pool and Paddling Pool Water Treatment (Includes Chlorine, pH Minus, pH Plus, Algaecide and Test Strips)
Clearwater

9.1
7

Bluewater Chlorine Granules 5kg - Swimming Pool & Spa
bluewater POOL & SPA CHEMICALS

8.9
8

AQUASPARKLE Non Chlorine Shock 1kg Hot Tub Pool FOR CHLORINE AND BROMINE USERS
AQUASPARKLE

8.6
9

Clearwater Algaecide Algae Remover for Swimming Pool and Spa Hot Tub Water Treatment, Highly Effective Formula, 1 Litre
Clearwater

8.3
10

Blue Horizons 5L WINTER TIME LONG LIFE ALGAECIDE WINTERISER (Treats 15,000 gallons) UK
Blue Horizons

8.0

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