10 bestPool Closing Chemicalsof January 2026
112M consumers helped this year.
1
SpaGuard Stabilized Chlorinating Granules (2 KG) Chlorine Sanitizer (SKU 7506)
SpaGuard
9.8
2
SeaKlear AquaPill AP71 WinterPill Swimming Pool Winterizer Pill
SeaKlear
9.6
3
Pool Supplies Canada Premium Pool Opening/Closing Chemical Kit for up to 100,000 litres
Pool Supplies Canada
9.3
4
Spa Oxidizer Shock Non-Chlorine (950g) by Pool Supplies Canada
Pool Supplies Canada
9.1
5
Hot Tub, Pool & Spa Defoamer (1 Gallon / 128oz) – Quickly Removes Foam Without The Use of Harsh Hot Tub Chemicals, Eco-Friendly & Safe with Silicone Emulsion Formula. Get The Foam Down
Essential Values
8.8
Other
BioGuard Hibernate Closing Kit (Treats up to 80,000 L) (SKU 1092)
3 in 1 Winter Closing Kit - Pool Winterizing Kit for Above Ground Pool and inground Pools, Easy to Use - Up to 30,000 Gallon
Spaguard Balance Pak 100 (1 KG) Total Alkalinity Increaser (SKU 7530)
Spa Defoamer (500ml) by Pool Supplies Canada
6
Ultimate Pool Closing & Opening Kit (3 Products incl. 50% Algae Concentrate)
Aqua Coastal
8.5
7
Pool Closing Kit for Above Ground Pool and inground Pools - Make Pool Open & Close Easy with This Pool Winterizing Kit - Up to 12,000 Gallons - AquaDoc Pool Chemicals
MAV AquaDoc
8.2
8
Spa Oxidizer Shock (2.5 Kg) by Pool Supplies Canada
Pool Supplies Canada
8.0
9
6 Pack of Multi-Shock by Pool Supplies Canada (450 g)
Pool Supplies Canada
7.7
10
2 Pack Hot Tub, Pool & Spa Defoamer (32oz/ Bottles) – Quickly Removes Foam Without The Use of Harsh Hot Tub Chemicals, Eco-Friendly & Safe with Silicone Emulsion Formula. Get The Foam Down
Essential Values
7.4
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