Problem: Foaming Cause: Over-used water, build-up of body oils, lotions or detergents. Solution:  Add defomaer, shock with a Spa Oxidizer, or drain and refill.                                                                                                          Problem: Algae Cause: High pH, low bromine level or chlorine concentration. Solution: Shock with a Spa Oxidizer Product.                                                                                      Problem:  Skin Irritation Cause: Over-used water, soaking too long, water temperature too high. Solution: Make sure all sanitizers are at proper levels, soak for small time intervals, reduce water temperature.                                                                                                             Problem: Cloudy Water Cause: Dirty filter, high pH or alkalinity, over-used water. Solution: Clean the filter, adjust pH, Shock with a Spa Oxidizer, add clarifier. or drain and refill.                                                                                                             Problem: Water Odor Cause:  Improper sanitation, inadequate filtration, low pH. Solution: Shock with Spa Shock Extra, adjust pH, clean filter.