just fed my girls 2 that are in ffof soil and ffnutes ph in is 6.4 ph out 5.7 is this normal.soil ph 7 recalibrated meter got same reading
If your run off is 5.7 the next time I fed or watered in I would set my pH at 6.9. And that should bring your pH up a little bit. If not already mix your nutes first then adjust pH. To were you needed it. Nice plants good luck finishing up.