Specialty spa products

It sequesters iron/copper to prevent stains and colored water. It should be dosed especially after filling (well water or high metals) and when topping up water.

Yes, to quickly break the foam caused by oils/cosmetics, but it is occasional: treat the cause (clean filter, shock, enzymes).

It improves comfort (softer water, reduced odors) but does not replace properly adjusted pH, alkalinity and hardness.

They break down oils/lotions, limit oily line and help keep filters cleaner, in addition to disinfectant.

It reduces phosphates (algae food) for more stable water. Use as needed when tests show high levels or after heavy debris/rain ingress.