Expert advise needed

What’s going on here?
Upper fan leaves are getting little brown/orange spots and plant is going slightly yellow in colour from top down

I’m growing in 10 gallon pots using biobizz all mix with biobloom fertiliser, under 600w hps

Leesmith12345 said:

What’s going on here?
Upper fan leaves are getting little brown/orange spots and plant is going slightly yellow in colour from top down

I’m growing in 10 gallon pots using biobizz all mix with biobloom fertiliser, under 600w hps

Click to expand...

You only need to have one thread going, no need to post the same everywhere.

I’m trying to get the same conclusion from a few different sources

Leesmith12345 said:

I’m trying to get the same conclusion from a few different sources

Click to expand...

And you'll get that from one thread, no need to post the same in every damn section you feel like posting the same thing in.

Looks like calcium deficiency to me.