10 bestPool Algaecidesof March 2026
112M consumers helped this year.
5% off
1
Desjoyaux Pools - Premium Grade Algaecide 5L – Long-Lasting Algae Prevention & Treatment for Swimming Pools, Hot Tubs & Spas – Powerful Pool Chemical for Clear Water, Prevents Green Algae Growth
Desjoyaux
9.9
2
Bluewater 5ltrs Longlife Algaecide - Swimming Pool Chemicals
bluewater POOL & SPA CHEMICALS
9.8
23% off
3
Clearwater Algaecide Algae Remover for Swimming Pool and Spa Hot Tub Water Treatment, Highly Effective Formula, 1 Litre
Clearwater
9.6
9% off
4
Blue Horizons Longlife AlgiMAX Eliminator (2Ltr) Algae Prevention
Blue Horizons
9.4
5
Blue Horizons 5L WINTER TIME LONG LIFE ALGAECIDE WINTERISER (Treats 15,000 gallons) UK
Blue Horizons
9.2
OtherUp to 14% off
Ultima-Plus XP Pool Algaecide - Removes Algae in Pools, Hot Tubs and Spas & Prevents Algae Regrowth - Suitable for all Pools (5 Litres)
Blue Horizons Ultimate Winter Time Algaecide - Tub of 5 Litre
Blue Horizons Ultimate Algicide Concentrate Copper Free, Algaecide (1L Bottle)
Swimming pool Clean N Clear algaecide by Jacksons
7% off
6
Cleenly Pool Algae Remover - Removes & Prevents the Growth of Green in Water - Super Concentration and Long Lasting 5L
Cleenly
9.0
23% off
7
Pro-Kleen Pool Algae Remover 5L - Removes & Prevents Algae Growth - High Concentration, Long-Lasting Professional Formula
Pro-Kleen
8.7
5% off
8
Kleen Pool Algaecide Swimming Pools Algicide Treats 28,000 Litres Lasts 6 Months
KLEEN POOL
8.5
9
HTH Super Kleral – 3L
HTH
8.2
10
Bluewater 2ltr Longlife Algaecide - Swimming Pool Chemicals
bluewater POOL & SPA CHEMICALS
7.9
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