Unsealed stone and concrete surfaces may also be weakened by dissolved Epsom salt splashed or dripped exterior the tank, because of the dried salt recrystallizing and opening up cracks and fissures. Epsom salt is not really corrosive in the best way sodium chloride (desk salt) is but chlorine can attack https://bookmark-master.com/story18691841/how-much-you-need-to-expect-you-ll-pay-for-a-good-how-to-isolate-tanks