10 bestHth Pool Shocksof November 2025
112M consumers helped this year.
1
Granular Shock Chlorine Tub of 5 Kg- Blue Horizons
Blue Horizons
9.9
2
HTH Swimming Pool Calcium Hypochlorite Shock Granules - 10kg
HTH
9.8
3
HTH Advanced Unstabilised Chlorine Tablets for Swimming Pools
HTH
9.6
4
Relax 1kg Granular Shock Treatment Hot Tub Spa Swimming Pool Chlorine Oxidiser
Relax
9.4
6% off
5
HTH 255g Calcium Hypochlorite Non-Stabilised Chlorine Tablets - 4.5 kg, Prevents Scales, Controls Algae, Kills Bacteria, Maintains Clean Sanitized Water
HTH
9.1
6% off
6
HTH Chlorine Pebbles Action 6 Easy Stabilised 250g, 5kg - Slow dissolving, no residue, prevents stains on liners, high stabilization against UV rays, controls algae
HTH
8.8
7
HTH Chlorine Shock Granules 1kg
HTH
8.6
8
HTH – Pebble HTH Chlorine 5kg Maxitab 200g 5 Functions
HTH
8.3
9
Bluewater 500g Shock Chlorine Granules Swimming Pool & Spa Above Ground Paddling Pool Shock Chlorine
bluewater POOL & SPA CHEMICALS
8.0
10
HTH 52038 Swimming Pool Care Green to Blue, Advanced Shock System, 2-Step Swimming Pool Care Solution, 1 Kit
HTH
7.7
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