Hi! This is my first post and my first grow so be nice please!
I’m in week four of flower for my c99 and ran into my first issue. The sugar leaves around the top of most bud sites are curling upwards, brutally, and rusting in colour. I have added calmag in the hope it fixes it, three days ago, but as of yet nothing changed.
I am using omega spectra gline 100w at around 30cm atm at 100%. 12/12 cycle and feeding algra bloom, around 24ml per week (two litres per feed with 4ml per litre, so 8ml each time every other day). It looks like calcium def, can someone way more useless please help? Thanks!!