It is advisable before heavy use of the Spa, give a extra dose of Enviro Spa Booster Powder to ensure there is enough booster powder in the water for the extra persons.
If spa is cloudy double dose Enviro Booster powder, single dose pH Raiser, run filter for 30 minutes, remove and clean the filter thoroughly and the cloudiness will clear over time.
Remember to clean the cartridge weekly as this is the 'Kitchen Tidy' of your Spa.
To Clean Up Spa.
If the Spa is dirty or smelly after the above routine, it is time to change the water.