Brown spots and holes in lower leaves.

[1likes2toke]

oh dear well im just on with flushing now as the people ive spoke to havnt seen it before but think its a nutrient defficiency but are not 100% so im going to flush and take it from there myn is already 2 3rds up the plant so fingers crossed.il let you know if any joy and could you do same if you figure it out ? cheers!

[Kalichakra]

I have been giving more ferts as someone on another forum suggested its a clear defiecency. No results so far of it stopping. A few of the lowest leaves have dried and dropped which is ok as I am flowering , but it seems to be spreading up.