Every filter is different, therefore take note of the pressure reading after the filter has been cleaned. When the pressure climbs to 40 -50 kpa more then the clean pressure rate you know it is time to clean the filter.
Advanced Pools Construction & Service,
556 Lower North East Rd, Campbelltown South Australia 5074(just 20 minutes north east of Adelaide)
Email Advanced Pools
Providing quality pool & spa services, equipment and chemicals for over 40 years