Granular Shock Chlorine 5kg
This product can be added to a pool chlorine levels are not high enough to kill off the bacteria and other organic matter. When organic matter is combined with chlorine it turns into chloramines. These chloramines can smell and cause irritation to swimmers. In order to cope with level of bacteria, shock treatments can help return chlorine levels back to being acceptable. Sometimes a few treatments are needed before this happens.
Price only £40 plus shipping!