Third week of flowers

I usually yellow pH meter that was in video did not care for the quality of it after 2 months and have purchased a newer one and had not recalibrated it in over a week now I were calibrate it every week
 

jdog127

Well-Known Member
Yeah it is amazing how quickly a PH pen can give bad readings after a few test. In the beginning I would calibrate once every 3 or 4 months then I started calibrating once every month now I calibrate every other week.
 
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