Blue Horizons Granular Shock - A traditional shock treatment product, these calcium hypochlorite granules have an available chlorine level of approximately 65% making them a good chlorine donor for pool water problem solving.
Granular Shock Chlorine is very effective at restoring sparkling water from algae infestation and should be added through the skimmer.
*Product packaging may differ from picture shown
If you're confused about your hot tub water chemistry, our guides answer the most Frequently Asked Questions!
Do I need to test my hot tub / spa / swimming pool water chlorine levels?
Should I test my hot tub / spa / swimming pool water pH levels?
Why do I need to shock my hot tub / spa / swimming pool water?
Relax 5kg Granular Shock Chlorine
Rapid Shock Granules 5kg Blue Horizons
5Kg Non Chlorine Shock
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