Help me out please, check out this pic

[Guest]

All of my plants have seemed fairly healthy this go around, better than my first 2. They are in soil, watered and fed on a regular schedule with fox farm nutes, cal mag, liquid karma, and sweet too.This plant and 2 others seem a little lighter green than the others of the same strain. The lighter colored ones have spots like these on a few leaves, they arent badly affected tho, just some leaves on some leads. They are in 5 gallon soil under a 1k hps. Heres pics of the whole plant, and one of the affected leaves.






any information is appreciated.

 

[Don Logan]

?? I don't know. My guess is that the rust at the tips of the leaves might be a sign of nute burn and overwatering. You say you do it on a regular schedule; maybe try watering only when the soil is dry(er) and the container it's in feels light(er). Cut back slightly on the amount of nutes/strength of nutes for a week/feeding cycle and judge the results. Peace.

 

[Guest]

plants still doing this, some worse than others, i have tried a few things now. THey do not seem unhealthy other than just a few leaves and they are getting crispy and losing some leaves too ((

Please help if you can

 

[guineapig]

Looks a bit like light bleaching......how far is the plant from the light?

Of course, it could also be a bit of over-fertilization.....it's hard to diagnose problems
because often the same patterns of brown will show up for very different types of
deficiencies.....

The first thing you should do is stabilize your pH and then we'll go from there.....have
you watered with pH 6.3-6.5? What about the runoff water which you collect when
the water passes through your soil? do you know that pH?

pm me if you wish....

oh i forgot to say-
Remember that it is perfectly natural for fan leaves to turn yellow and droop,
something that usually happens later in the flowering period but this can
occur in the early stages too......I believe the plant does this in an effort to
concentrate more light into the upper regions of the plant as a survival
mechanism......so don't panic unless the majority of the fan leaves seem
to be affected....

guineapig

 

[MTF-Sandman]

Looks like calcium def/lockout to me...what water are you using, what's the ppm & PH? (before and after nutes)

 

[Guest]

it does look kinda like calcium to me, too.

 

[stealthpackage]

I'd call it calcium, check the Guide to Sick Plants sticky in the infirmary...

 

[Guest]

thank you everyone even you stealth, with your most obvious of answers which is needless to say . My ph is 6.0 going in and 6.0 coming out. I use tap water thats 7.0 coming out the faucet. ppm, no clue, i grow in soil. I think i watered a few times with 5.0ish ph'ed nuted up water before it started happening. It's not really that bad, its just something that hasnt been happening on the previous 2x i grew these strains.

I have been adding cal mag plus to my fert schedule, the spots arent going away but they arent really increasing either. I dont have any lime in the soil, which could be a prob, i heard the fox farm soils cause cal deficiencies and this is the first time ive used that kind of soil.