ph rising

  1. H

    PH rise troubleshoot

    Hi. I'm new to growing cannabis and decided to just get straight into hydro because i like a challenge... With my swinging PH levels i'm starting to doubt that decision... I wanted to start off small so i'm rolling with a 90L/h airpump in a container with 4L of nutrient solution Ph to 5.5. From...
  2. C

    Extreme daily PH swings in Aero60's

    I'm having trouble figuring out what to do about all the PH up I am spending so much money on right now for two separate 40 gal. res's that go from a PH of 6.1 at the start of the light cycle to 4.5 by that time the next day. What am I doing wrong? In the meantime I've been adding almost over a...