Nope...just pour it in. Until you get the algae under control measure the chlorine a few times a day and keep it at 15 like Mas985 said. It will get eaten up pretty fast. There is a calculator available to help you figure how much bleach to add. Look for any post from MWSMITH2 and look in his signature for the link. For lack of any other guide just throw in a small jug (3 quarts), circulate for a couple hours and measure. I don't know what that pH- stuff is...never used it and never paid attention to posts about it. Someone else will kick in about it.
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