what is causing this?

Is this a cal-mag issue or possibly light issues.
Fastbuds 420 Northern Lights auto 23 days
DWC under 300watt light at 50% 18" away
General Hydro nutes, Lucas formula
Temps 82
Humidity 40%-50%
40k Lux around top of plant
650 ppm
 

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.Smoke

Well-Known Member
One thing is your air is way too dry for that temperature.
Get it up to 65-70% and the plant will most likely start feeding correctly and things will straighten themselves out.

Dim your light to around 25k lux too.
Way to bright at 45k.
 

HydoDan

Well-Known Member
One thing is your air is way too dry for that temperature.
Get it up to 65-70% and the plant will most likely start feeding correctly and things will straighten themselves out.

Dim your light to around 25k lux too.
Way to bright at 45k.
Exactly what I was gonna say..
 
One thing is your air is way too dry for that temperature.
Get it up to 65-70% and the plant will most likely start feeding correctly and things will straighten themselves out.

Dim your light to around 25k lux too.
Way to bright at 45k.
Thank you, I need all the help I can get.
 
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