How do I test if my ph meter is working right?

Thread starter maximum
Start date Feb 19, 2012

xX1cEpikKXx

Well-Known Member

#21

Its not the same tyke, but thx

xX1cEpikKXx

Well-Known Member

#22

nonamedman420 said:
the powder that you add to the distilled water to make the ph 4.0 or 7.0 etc...has enough salts to make it not distilled water anymore once mixed.

Thank you

nonamedman420

Well-Known Member

#23

xX1cEpikKXx said:
Thank you

anytime

Dr. John Hopkins

Active Member

#24

Do NOT use Distilled water to store PH Pen!

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