Please help, Dark spots on seedlings.

When do i start feeding?

would you recommend a scrog in my size grow tent?
yeah scrog if fine...when your leaves start to yellow start with the nutes at light veg....I should have started nutes earlier but I was busy...but yeah like this20161013_231355.jpg
 
perfect advice to screenshot colouration.
is that because its growing in coco and is requiring nutes at that colour?

your coco is very fine. like sifted through with a comb.
Do you add perlite?
 
damn that's efficiency with rooms and a house.

Ive got 3 plants going up and trying to think how to top it in that space.
 
perfect advice to screenshot colouration.
is that because its growing in coco and is requiring nutes at that colour?

your coco is very fine. like sifted through with a comb.
Do you add perlite?
I'm not sure why...I just know from my experience that you should start feeding at the first sign of that going on....

NO there's no need for perlite with coco that's b.s.
 
I'm not sure why...I just know from my experience that you should start feeding at the first sign of that going on....

NO there's no need for perlite with coco that's b.s.
well it's cause it needs nitrogen in that pic...I know why just didn't want to get into it that deep
 
damn that's efficiency with rooms and a house.

Ive got 3 plants going up and trying to think how to top it in that space.
damn that's efficiency with rooms and a house.

Ive got 3 plants going up and trying to think how to top it in that space.
that little guy was just topped...top at 3 nodes and top around every 3-4 nodes....when I say top I mean fim
 
3 is fine.... try 2 next time....more plants more nutes and a wasted seed...I started way too many this go....I should only have 4 or 5 in veg and 3 in bloom
 
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