Potassium deficiency or... ?

Well, you might simply use straight water for a feeding with a little run off and take a go at the extra N after that.....The goal of the extra N is to slow down the progression of the yellowing.....Reducing the P is a must...

Dr. Who said:

Well, you might simply use straight water for a feeding with a little run off and take a go at the extra N after that.....The goal of the extra N is to slow down the progression of the yellowing.....Reducing the P is a must...

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Thankyou very much for your help. I will add some N and see how it goes. Its frustrating when something like this happens. I guess we lean by our mistakes tho. Its only my secong grows. First propper attempt. I'm sure ill get it nailed eventually lol.

It's never too late to flush. Just ask any janitor.