handy reference for diy ph tester calibration alternative

Son of a collier

Well-Known Member

• Mar 18, 2017

• #1

https://www.alkalinewaterplus.com/analyzing-comparing-brands-of-bottled-water/

i found this whilst looking to calibrate a new ph tester, does anyone else have a better alternative ?

 

abe supercro

Well-Known Member

• Mar 18, 2017

• #2

calibration solution? lol

 

Son of a collier

Well-Known Member

• Mar 18, 2017

• #3

abe supercro said:

calibration solution? lol

Click to expand...

yes ...i believe my tester he lie like a cheap watch

 

abe supercro

Well-Known Member

• Mar 18, 2017

• #4

Even a broken watch is correct twice per day.