SpaGuard Spa Shock-Oxidizer 7lb Control Box When combined with a filter

When combined with a filter cleaner that loosens the body of the filter - oils

To order a complete ModStep 4

If you are losing close to an inch and a half per day only use your low speed jets

and installs in a snap

SpaGuard Spa Shock-Oxidizer 7lb Control Box When combined with a filterBuffered monopersulfate is easy to dispense and is applied directly to water while the pump is circulating. Spa Shock dissolves instantly, immediately oxidizing undesirable compounds. In spas treated with bromine products, this product turns ineffective bromides back into active hypobromous acid. It works quickly, so spas can be used as soon as 15 minutes after application.(non chlorine)