Misdiagnosed???

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Morning this is the older leaves on my Acapulco gold I thought it was calmag def so I have added it to regular watering and foliar once a week not seeing any improvement more leaves everyday.

On ffof 5 gallons pot ro water as neccassary twice week feed of gh flora 3part
Water at ph 6.2
400 watt mh 18/6 but gets residual light from nearby hps. 20/4
Sorry I do not know soil ph if I measure runoff can we get soil ph?

any Ideas?
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Any thoughts ?
 
Yes, get a run off pH reading. I suspect your pH may be out of range causing a nutrient lockout situation. One we know the pH we can go from there. Also, what strength are you using on the nutes?
 
Thx muddy will get you that reading shortly I am mixing the nutes at 3/4 strength of instructions will also get exact ml and etc
 
Also, how old is it and if you can, post a picture of the whole plant in natural light so we can see the true colors and where the affected leaves are on the plant.
 
Ok muddy here we go

Ro water in at 6.6 out at 5.8
Nutes
Flora grow 3.75 ml,flora micro 3ml, flora bloom 1.875, 3ml calmag 1 ml black label root enhance
Ppm585 I give this on the forth day water three then nute one only when pot is light

Plant is 54 days old today
Room temp high 80 low 65
Rh? Dry I live in desert
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Also the stems are purplish getting lighter after upping cal mag
 
I don't know what to do for this plant I think maybe she has nute lock out but don't know how to help correct it can anybody help??????
 
Im sure someone will look in soon RP :smokebuds:
 
Dwcocha thx I talked to a4 via pm plant has nute lockout I have done a flush ten gallons will try to buy some sledge hammer today and see what that does thx for looking in
 
The run off of 5.8 with feeds of 6.6 means your actual soil pH is somewhere around 5. That means you're in a nutrient lockout situation. At that low pH your plants aren't able to uptake much of anything except a few trace elements. The brown spots, crispy feeling leaves, and red stems are all symptoms of a lack of both P an K caused by the lockout. I see you did a flush. I hope you pHed your water before doing so. You will also need to add some lime to your soil to help buffer the pH. The fastest way to raise it is to use some hydrated lime. Hydrated lime can be toxic to the plant if too much is given. Use no more than 1 tablespoon per gallon of feed. Wait about 4 -5 days, then check your run off again.
 
I wish there was a "Don't Like this at all" button, all these guys are pros. I am sure you'll be right back on track. Strength and Honor
 
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