Week 2 flower, general questions

Dloberger

Member
IMG_9852.JPG IMG_9862.JPG IMG_9863.JPG IMG_9864.JPG IMG_9865.JPG IMG_9866.JPG IMG_9867.JPG Being in week 2 of preflower now I notice there is so much growth under the canopy getting very little light if any. Should I be pruning it off a little at a time or should I just wait until week three when I plan to do a full defoliation?

Also Im not really sure how ppm works if someone could try and explain it to me? how important is it in soil?


One last thing what height should i have the light at during preflower and flower? close as possible or high as possible?

right on for the help guys
 

Bugeye

Well-Known Member
I would not defoliate.

Ppm is a measurement of you nutrient mix. Good to measure this if your just starting out and keep notes for future grows.

Keep your lights just high enough so your canopy temp stays below 80F.
 

twostrokenut

Well-Known Member
I would not defoliate.

Ppm is a measurement of you nutrient mix. Good to measure this if your just starting out and keep notes for future grows.

Keep your lights just high enough so your canopy temp stays below 80F.
You like growing larfy bottoms?
 

GreenLogician

Well-Known Member
I've heard that without the previous feeding's leftover nutes being washed away, you'll get 'salt buildup'.
Have you heard about this?
 

Dloberger

Member
I've never had that problem. Only nute burn I got is when one of the hose on my drip line poppped and nute water sprayed all over the leaves and burned some lol
 

Bugeye

Well-Known Member
There is so much under the canopy that gets no light why keep it on there?
Because the spectrum of light that drives photosynthesis is invisible to the naked eye and does penetrate a little better than you think. Those leaves hold mobile nutrients that can be relocated to bud sites.
 
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