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Do you guys use to water to 0 in your Hanna checker when it says c1 or tank?
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Can I use ro or will that throw it offtank water
I thought they sold to grade water for that reason?RO wont work
Thats for the calcium checker, for the alk and phos checker you use the tank water then add reagentI thought they sold to grade water for that reason?
Oh okay thank youThats for the calcium checker, for the alk and phos checker you use the tank water then add reagent