I started my second grow about three weeks ago and everything was going great, until this week. The plant started looking ill and I noticed that almost the entire bottle of acidic had been used. When I did the water change just now, I check the ph of the water coming out and it’s 2.4! I assume the ph sensor is screwed despite having just calibrated it prior to starting this grow.
I’ve reached out to grobo support via their web page but I’m curious if anyone here knows of any tricks I can do to get this to recover? I’d hate to lose a seed (and an entire bottle of acidic) if there’s something simple I can do to fix the issue.