Quote Originally Posted by karenib View Post
My DH didn't want to wait,he wants to go swimming tomorrow and the guy said not to go in the water until the ph is higher. So he added 7lbs of alkalinity increaser only.
Karen - You said you were trying to raise ph so you added alkalinity increaser. Ph and alk are not the same thing. You raise ph by adding Borax. You raise alk by adding baking soda. If your alk was already 90, then I hope adding the 7 lbs. of alk increaser doesn't raise your alk too much.