DAY 62 25.7.2021 I added on top of the substrate about 5 tablespoons of Plagron Bio Supermix, which contains some a little bit nitrogen and microorganisms, fungi. It seems to me that it is starting to lose its green color and the leaves are showing a little yellowing. Maybe it's overfertilized. I am fertilizing every 2-3 days with Biocanna Vega at the full rate of 20ml per 10l. I water it every time with 5 litres (10ml Vega) once the substrate dries out. Sometimes I really don't know what I'm doing wrong. I'll see how she does next.
You have a very pretty plant going there, some strains grow with lighter color green but low N will show with light green leaves. If you've started flower food they are normally lower in N a lite dose of veg food should increase the N.... unless like you are saying the ph is off... just sharing my thoughts to give you something to think about... good luck and again very nice grow ๐