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P Deficiency or Over Fertilization

Theta

New member
I recently moved my plants from the veg light (315 CMH in a 4x4) to the flower tent (500-600w HLG LED per 4x4 currently dimmed), but with a 18/6 schedule to ensure a smooth transition.

Temps are 70-77F and RH is 60-70. CO2 is around 650. Medium is coco coir w/ a 0.2 EC to start.

I recently transplanted them and moved them to the new light. In retrospect this wasn’t a great idea but they are all perky now with dimmed lights and a more dialed in environment. I am currently not using Bloom Khaos but plan to start once this issue is taken care of.

Before the transplant the plants all had perfect hues but had red purple hues in the stems. I was using the advanced line at half to 3/4 strength with Epsom salts as the only supplements. I had them dialed in when they were in their one gallon pots.

My wedding cake plant is showing signs of unhappiness on some lower to mid fan leaves. The tops look pretty healthy. The plants are growing roots in the new coco.

The plants don’t look super sickly but the wedding cake has some sad leaves.

I did a slurry test and I started with around 7 ph and 70ppm water and ended up with 6.5 ph and 450 slurry on multiple plants. I have since watered with a Herculean flush. I will try another slurry today but I typically get similar results of 300-450ppm and mid 6 ph.

Beneficial:
SLF100
OG Biowar
Great White

Possible fixes:
More phosphate maybe a Gaia flush or extra Gaia in my next feed.
Use the Greek Line up to simplify my regimen.
Maybe start using BK (not sure if this will help uptake more P) if that is the case.
 

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