yellow leaves help

A

Aus_grower

New Member
Hey guys I'm a first time grower I've got 2 plants growing under a led light
they now have both started going yellow on the leaves at first it was only the tips now working it's way right across the leaves.
can some one help me out tell me what's wrong 20141126_164817.jpg
 
Aus_grower said:
That's for the reply.
how far should the led light be from the plant, the led light is 450 watt
Click to expand...

led shouldn't be close to the plant. the optimal distance would vary (i would suggest to contact your supplier and ask for the optimal distance).

some would say around 18-24 inches. then my supplier said 60cm for veg then 40cm flowering. it varies on the par, etc.

but i think your soil is too hot for the plant.
 
Agreed looks like there burning.

Flush the soil through and give few days.

What soil are you using?

What nutes are you feeding them?

Those small round leaves usually have enough nutrients jn to get the plant going. 2-4 weeks with no or very light nutes shud be fine. As some1 else said tho. Ur soil could be hot, meaning its preloaded with nutes. Check water ec/ppm thn Check the run off ec/ppm. Let us kno how it goes.
 
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