I'm organic so don't use nutes can't help you there, but those girls can be topped now or later depends on your grow and what u r after for my grow I'd top now!When do I top? I'm thing after the 4th branch?
How many ppm of nutes once their root like these? I fed 300 ppm but think I could of fed more!
Their under a 400 watter turned down to
275 watts.
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I feed around 600ppm in veg,
I top at 3rd node but i grow from seeds
Except for that skinny one in the middle let her grow for a while lol