Hi guys. Cocha mate the water I phed to 5.8 has been left stand-in in an airtight drum for 24 hrs. I just tested its ph and ppm-ec and the ph is now 6.4 do I ph it Bk to 5.8 ...... also if the info blue said is right .... my ppm is 150 and I do those calculations it equals .3 is that right it also matches the hanna on war u said do u think that's right