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For which tests do you use a hanna checker ? As these are quite costly.
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+1Phosphate ULR
ALK
Those are the only two Hanna checkers I have.
Using Red Sea for Ca, Mg, and nitrates for now.
Yup, best bang for your buck combo above IMO.ULR Phosphate and Alk is the only ones i used, everything else Salifert.
What’s the difference?@MrDLHughesY make sure its the ULR version for Phosphate
The ULR is measured in PPB instead of PPM.What’s the difference?