Unsealed stone and concrete surfaces can even be harmed by dissolved Epsom salt splashed or dripped outside the house the tank, due to the dried salt recrystallizing and opening up cracks and fissures. Epsom salt is just not corrosive in the way sodium chloride (desk salt) is but chlorine can https://holden7dmuc.boyblogguide.com/31168525/the-smart-trick-of-how-to-isolate-tanks-that-no-one-is-discussing