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How long is indoor Vegative Cycle from Clone? Once you transplant a clone how long does it normally take to grow the plant big enough to bloom? I am just curious because I think my plants are stunted. :cry:

Is It a good idea to flush plants with fresh water between nutes? I read that on a thread on this board and was wondering what everone else thought. I am using rockwool so i wasn't sure if it was a good idea or not.

I heard OG Kush was a tricky strain to grow. What are some of the common problems? Do they require a special ph or ppm that other plants? Any info on this would be appreciated. :joint:

What Are Your Thoughts on Seltzer water for C02? Does it Work? Do you Have to reset the ph? Better during lights on or off? I read you don't need co2 injections if you have good ventilation. This seems to be a topic of much disagreement. How say you?

Please see attached pictures. The lower Leaves have turned Yellow so I think it's a nitrogen deficiency. I have increased the nitrogen levels but im wondering if it's too late for these to recover? should I just cut the yellow leaves so they don't slow down the rest of the plant?