Thank you for pointing that out friend.Plants are back on track and bulking up it seems.
The Liebig's law of the minimum is so true, very well illustrated by Aptus.
I had very good results with Aptus, currently only using their Regulator but need to get the set again. The bottles last for years, very efficient and worth the price imo.
I noticed that the insulated ducting on the floor is a little bit compressed. Is there enough air going through?
Edit: Finally found a good Avatar Thanks CP