confused

hi guys in week 8 of flower during week 7 i started to notice purpling of leafs on my bagseeds i made a post here that told me i was using to much k so ive just leached for a week to see if i could help it to use up whats left the purple got no worse or no better im unsure where to go from here as i dont wanna start feeding and make it worse but i dont want to not feed at such a critical stage as week 8 as im going to want to start leaching my soil to finish in about a week so will mean the last 3 weeks they will of only leached heres a few pics

if your leaves are turning purple at week 8 it usually means they are burning all the stored up nutes in the leaves, i usually keep feeding until the trichs turn milky then flush for 10 days, if your not planning to flush for a week or 2 give um another feed

i was more worried the purpling was a toxicity and that id be doing more harm

budulyk said:

i was more worried the purpling was a toxicity and that id be doing more harm

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you might have locked some thing out, your plain waterings should have sorted that, what are you ph ing at

It can be caused from cold temps too. Check your temps on the floor when your lights are off. Roots can't absorb phosphorus in cold temps that can cause the leaves to purple.

bobtokes said:

you might have locked some thing out, your plain waterings should have sorted that, what are you ph ing at

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ph to 6.2 in soil and temps swing from 24c day temp to 21c lowest night temp

A 15 degree drop in temperature even briefly is enough to get lots of strains to start purpling. Ive got cotton candy kush that turns emerald purple in the last 2 weeks on its on regardless of feeding or temp.