What is the proper way to flush and when

What is the proper way to flush and when
My GG is inday 49 bloom

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If you follow Fox Farms, they recommend a flush at every change in nutrient schedule. It kinda depends on the age, media, size of pot, etc.

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Grow Room = 8x8x8 2inch thick Styrofoam
RH= 50%-65%
Temp = 68-84 F AVERAGE TEMP = 82 F
10 Gallon Grow Bags

Veg 1000 W MH 18-6
Bloom 1000 W HPS 12-12

5000 BTU A/C
Vremi 4,500 Sq. Ft. Dehumidifier

Soil = Pro Mix HP PH 7.0 / 10 Gallon Grow Bags

GH Flora Grow
GH Flora Micro
GH Flora Bloom
Silica Blast
Mammoth P
PH = 6.0

Soil Mix after adding nutrients is PH 6.`1

61 40 36


What is the nutrient schedule? TDS in? You obviously have low N but I’m concerned it may be shutting down your plant. What week of flower are you?

All of those yellow leaves will not recover. Look to new growth for any improvement. Personally I would be supporting the plant through the entire grow with adequate N: here’s my last one on harvest day for example.


I don’t have a TDS meter yet day 49 of bloom week 7

Can you take a pic in natural light?

I think a lot of the “yellow” might be from the lighting.

your right about the light
I don’t dare take them outside
I’ll take some pic when the HPS goes off

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I thought that too but there are a number of green leaves interspersed within the yellow…

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You still have time to go…
Those are monsters… :+1::wink::fire::drooling_face: