PH Test Meter Measure Calibration PH 009 I Pen Type

[@mlpooley]

What is the probe you put the water? Does that deionize the water? Should mention it if that’s the case. What is it called so we can get it somewhere?

[@Rici_1969]

Its a thermometer water had to be less than 25 degrees Celsius

[@vacllav]

?????? Nevidím na kalibrační jehlu = I can't see the calibration needle

[@manuelcarot8331]

No puede terminar de verlo...el piano me comió la mente

[@HighHeels1984]

🙏amazing

[@alexanderbancud7471]

its not visible,pls make it clear

[@cornelmircea1980]

what is not visible?

[@แป๊บซี่สีขาว]

wat da fuck ...

[@roxanarc1611]

🙏amazing