Any help appreciated

I'm thinking phosphorus deficiency but I can't verifythe leaves are purple except for the edge, it's not the lighting giving that color. 4 weeks from harvest and never seen this before. Any or all help appreciated.

Always good to add extra P and K in that stage of flower. The spots are calicum def and the leaf purpling is from lack of Magnesium

Thank you. I work with fertilizer so I'll grab some before I leave work. I kinda thought calcium too so I should probably get mag and Fe to be safe

LEROY_JENKlNS said:

Thank you. I work with fertilizer so I'll grab some before I leave work. I kinda thought calcium too so I should probably get mag and Fe to be safe

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Welcome. I use Epsom salt for the magnesium. They have a Cal Mag liquid nutient. Does have a little bit of nitrogen in it tho. Yeah running Leds as your light, tend to use more calcium and magnesium than say other HID lighting

Hopefully what I bought at work will solve the issue. My pH is 7, soil grow, my e.c. is 1.9, and the buds just started really filling in when this all happened. I wonder if it will take all the nutes I will feed it tonight and throw it straight into making those buds fatter haha

There's no issue here. That's just a plant changing colours in what is it's autumn. Very normal for older leaves to look crappy at this time.

A little Epsom Salts is good in later flowering as they love the Mg and S is the 'secret' ingredient in most bloom boosters. A little extra K helps fatten the buds too but go easy on the P.

Just don't go nuts with the nutes or you just end up with crackly buds.

This OG#18 was about the most colourful plant I ever grew next to Hindu Kush that turned almost black at harvest it was so dark purple.

That's nice n Colorful @OldMedUser great points!
My April's harvest of blueberry Twist@ 64 days flower. Started changing colors at week 6

LEROY_JENKlNS said:

Hopefully what I bought at work will solve the issue. My pH is 7, soil grow, my e.c. is 1.9, and the buds just started really filling in when this all happened. I wonder if it will take all the nutes I will feed it tonight and throw it straight into making those buds fatter haha

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The buds definitely do like to fatten up the last couple weeks of flower Happy Growing