New grow Small problem. what do the pros think?

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dub151

Active Member
Hello everybody this is my first grow, everything has been going great except the pigment in a few of the plants is a littlle messed up! the first two pics are of the bad plants and one of one of the good ones!! what you guys think? 3 of the plants have this pigment problem the rest are mint feeding every second watering and superthrive once a week PH has been right around 6.8.
running a 400watt MH bulb till I turn it over to 12/12 with the 1000hps. its on a 18/6 now
 

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Boneman

Boneman

Well-Known Member
Welcome to RIU :hump:

I'm no pro, but you can probably ditch the superthrive at this point and try adding Cal-Mag at 1/2 strength to your feedings. Transplant soon and start flowering maybe a week later.
 
TRICKKY

TRICKKY

Well-Known Member
Are the two with problems directly under the bulb?

I think that light may be a little too close.

What temp is it at the plants?
 
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dub151

Active Member
TRICKKY said:
Are the two with problems directly under the bulb?

I think that light may be a little too close.

What temp is it at the plants?
Click to expand...
temps are 82 under the light and 70 in the dark
I just moved the light to that position and I rotate them around every day
 
SmokeMedprop215

SmokeMedprop215

Well-Known Member
your plants look hot and I would drop your ph down to like a 6.3 looks like you could be coming into a nutrient problem if your ph is at 6.8 there are some essential nutrients that will not be allowed for uptake such as iron manganese zinc.... try bringing it down and see what happens.
 
TRICKKY

TRICKKY

Well-Known Member
dub151 said:
temps are 82 under the light and 70 in the dark
I just moved the light to that position and I rotate them around every day
Click to expand...

82 is a little high IMO. 75f is groovy.

I hear you tho, if your rotating everyday they should all have that problem right?
 
SmokeMedprop215

SmokeMedprop215

Well-Known Member
the leaf edges will turn up when they are trying to dissapate heat and or start to have nute buildup try keeping your temps a tad lower like 75-78 when on and see what happens you could raise your light in the pic it looks too close
 
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dub151

Active Member
SmokeMedprop215 said:
the leaf edges will turn up when they are trying to dissapate heat and or start to have nute buildup try keeping your temps a tad lower like 75-78 when on and see what happens you could raise your light in the pic it looks too close
Click to expand...
cool light is raised up now!
its about 12 inches above the top of the leaves
 
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