Adding Epsom Salt To Hot Tub. Epson salt magnesium sulfate is not a sanitizer. Be sure to consult with your hot tub dealer before adding any type of salt into your hot tub.
It will avoid the the corrosion issue altogether. For the full benefit soak in the water for a full 30 minutes with the jets rotating the water. Chemical Reactions of Epsom Salt in a Hot Tub.
In addition Epsom salts can also corrode your hot tub.
Drain the tub and rinse it with clean water from a plastic pitcher. Using Epsom salt in the hot tub can cause damage to the hot tub and injuries if your hot tub contains chlorinated water. When you are low in magnesium your muscles may become tenser cramp more and not work as efficiently. However Epsom Salt or Bath Salts do not have the same effect on your hot tub and we do not recommend using them.
