Pool magnets are nothing but snake oil!They have been around for years and all they do is lighten you wallet! If you decide to buy one please contact me about a bridge in Brooklyn I would like to sell you!
The only other test that high chlorine levels could affect is the chlorine test IF you are using DPD (not FAS-DPD titrations or OTO) since DPD starts to beach out at about 10 ppm and will read low or no chlorine slightly above this level.

They have been around for years and all they do is lighten you wallet! If you decide to buy one please contact me about a bridge in Brooklyn I would like to sell you!

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