Nutrient deficiency update

Quick update to my previous post on leaf discolouration

I think giving it just water yesterday was a bad choice :( on checking the plant today it was flopping over and the discolouration has spread.

Some close ups of the leaves:

The chart posted by @canna-curate, which is the chart I was looking for when I initially spotted the problem but can never find when I actually have a problem, seems to indicate potassium deficiency (K)

I have now saved these to my computer. I thought this (or very similar) used to be distributed with nutrient packs? I swear my friend used to have this as a poster!

I usually like to wait for the lights to come on before watering but have just watered early due to the flopping, I also checked out the nutrients I have and the 'Power Roots' has NPK of 0-0-2 so will be adding that to my daily nute mix.

Fingers crossed this resolves the problem as the next highet possibility is a Ph issue which will require puchasing a Ph tester which I can ill afford. I really need to buy a carbon filter as the smell gets stronger.

Funny story, in a past grow I had a Ph tester but didn't trust it so I would buy mineral water on my way back from work to feed my plants! It was a good crop though!

I'll give it a few days and let you know, wish me luck!
CannaWorms

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