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Equipment

  1. Hanna phosphate question

    I just recieved my hanna phosphate checker (HI713). Tested my water the way the instructions said. Is it possible to have a bad reading after 3 tries? I have green hair algae growing and algae on my sand bed growing for about a month or two. Will it show any readings to measure? i want to make sure im doing something right or not. Ialso bought some phosphate rx should i still dose some to see if i get any readings after the fact?

    Updated 05-16-2015 at 08:53 PM by diablo30xp

    Categories
    Water Chemistry , ‎ Equipment