on my PH and EC meter . the EC will say 400 . i have asked what the conversion and they said EC unit for us/cm

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benjones

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i think i am having issues with my meter and calibrating it .

they said "EC unit for us/cm"

does that mean 500 on the meter is 0.5 EC ?

On my ph and ec meter  the ec will say 400  i have asked what the conversion and they said   e
On my ph and ec meter  the ec will say 400  i have asked what the conversion and they said   e 2
 

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