6 Week Flowering - Please Help with Eval - Yellowing Leaves

Drake S

Member
Howdy All -

Into the sixth week of flowering, things have been developing very well I think, considering it's my first grow. However, I'm seeing alot of yellowing on the leaves - and I'm not quite sure what to think.

I've tried to do some evaluation, using the ICMag troubleshooting guide, but since I'm a newb, really would like some feedback. I've been researching here the whole time, but kind of lurker :)

Soil: 75% MG Potting Mix, 25% Perlite

Pot Capacity: 5 gal

Nutes During Flowering: 1-2 TSP MG Bloom Booster, w 1\2 Epsom, + PH Balance watering with Garden Lime (about 2 TSP)

PH of Watering Solution: 6.5 - 6.8

PH of Water Runoff - I just flushed using three gallons: 6.8 PH

Frequency: Every 4 days or so

Temps\RH: Light - 80F\30-35RH Dark - 60F\30-35RH

Lighting: Overhead - 400W HPS Side Lighting - 3 150W and 2 100W equiv CFL Soft Daylight

Trich Color: Still looking like 100% Clear

Not sure if I'm masking a nute burn issue with using the Garden Lime to adjust the PH, so I decided to flush a bit.

I can't tell if it's nute burn (did that during the latter part of the veg state, fully flushed and started new nute regimen) or MG\N deficiency.

Any feedback is greatly appreciated. I'm halfway thinking that it is a deficiency, based on the PH of the water runoff, but not sure if it's because the PH may be neutralized by the lime.

Thank You!


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Mother's Finest

Well-Known Member
They need food. Whether nutrients were originally locked out by the pH or not, they've been deprived of food. The problem is that they (it?) are too far along to fix major problems without causing others.
 
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