Please help me solve and cure this deficiency/disease.
Growing 3 Big Buddha cheese plants in nettpots with leca in a RDWC (50L) under a 600watt HPS. Currently in week 4 flower.
I attached some pics of the plants as a whole as well to give an indication of general health.
It started very sparsely in late veg and continued through all my efforts. It looks like its starting to get worse and this is obviously a crucial stage in my grow.
Keeping the description short, please ask away if it will help the diagnosis.
Thank you in advance!