Phosphorus deficiency?

As many fathers have done I left my babies in the hands of my na’er do well wife and this is what happens. It’s damn near child abuse. At least that’s what I tell her when I’m messing with her.

Anyway I don’t think she actually did anything wrong. It’s an ebb and flow setup. She just maintained reservoir ph and nutes for a couple days. Levels were normal ph just under 6 tds around 550. This purple happened over the course of about a day and a half so very quick.

It’s 39 days into flower as of these pics. Based on the theory that this is a phosphorus deficiency and on the theory that when stuff gets weird you reboot, I changed the res. After the change I brought up the tds to 550 using GHE bloom micro grow in a 3-2-1 ratio then I added some extra bloom to bring it up to 588.

So is phosphorus the right guess? If so does it normally go south so fast?

Serious nute burn ...flush the rez and circultate for 24 hours flush all that excess nute out

the red is typical of excess phosphorus and the speed is a clue over being typical stalled sap(cold room)

another 2-3 weeks to go, I'd avoid removing the leaves as often it then starts on the next set

looking good

cheers

vostok said:

Serious nute burn ...flush the rez and circultate for 24 hours flush all that excess nute out

the red is typical of excess phosphorus and the speed is a clue over being typical stalled sap(cold room)

another 2-3 weeks to go, I'd avoid removing the leaves as often it then starts on the next set

looking good

cheers

Click to expand...

Thanks for the advice. You definitely got the timing right. Chopped her 24 days after that post. Buds were fairly large but the yield was a little disappointing at 3.9 oz. We will see how it smokes.