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

xX1cEpikKXx

Well-Known Member

• May 21, 2018

• #21

Its not the same tyke, but thx

 

xX1cEpikKXx

Well-Known Member

• May 21, 2018

• #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.

Click to expand...

Thank you

 

nonamedman420

Well-Known Member

• May 21, 2018

• #23

xX1cEpikKXx said:

Thank you

Click to expand...

anytime

 

Dr. John Hopkins

Active Member

• Jan 29, 2019

• #24

Do NOT use Distilled water to store PH Pen!