Its readin 6.5 the pen I just got today is from HTG Supply it says you gotta leave it in for 3 min. I don't trust it id rather have the strips at leased theyre trustworthy. I paid 29 bucks, I been flushing with water for three days but I cant just run water through the pots cus I got them up in an attic.
Its readin 6.5 the pen I just got today is from HTG Supply it says you gotta leave it in for 3 min. I don't trust it id rather have the strips at leased theyre trustworthy. I paid 29 bucks, I been flushing with water for three days but I cant just run water through the pots cus I got them up in an attic.