How do you treat a mg def.?

MatanuskaValley said:

My leaves are curling up and have small rust colored spot on them. I just repotted them on 2/2/10 should I just wait or should I try adding something?

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MatanuskaValley said:

here is the pics hope they turned out ok these are from my droid its only 5 m.p.

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laserbrn said:

The plants look slightly overwatered, but that's a hard call from these pictures. I'd say it looks like you are spot on about the Cal/MG problem. Can you take some pictures so we can see the size of the plant and the size of the pot?

Here's the thing, if the problem isn't merely a lack of availability and it's a lockout you'll only make matters worse trying to feed to correct it.

Some more information like type of soil and what you mixed in there would be helpful.

But to answer your question in the most basic way possible, I add Cal Mag Plus from Botanicare to resolve these issues. But not until I've eliminated every other possible problem.

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laserbrn said:

The plants look slightly overwatered, but that's a hard call from these pictures. I'd say it looks like you are spot on about the Cal/MG problem. Can you take some pictures so we can see the size of the plant and the size of the pot?

Here's the thing, if the problem isn't merely a lack of availability and it's a lockout you'll only make matters worse trying to feed to correct it.

Some more information like type of soil and what you mixed in there would be helpful.

But to answer your question in the most basic way possible, I add Cal Mag Plus from Botanicare to resolve these issues. But not until I've eliminated every other possible problem.

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MatanuskaValley said:

I had these things in see through dixie cups. they were in crap soil from bi-mart.
on 2/1 i think I transplanted them in to 1.75 gallon pots and watered them. I put the seeds in dirt 1/12 and have watered them 4 or 5 times in the cups and of course gave them a good water when I transplanted. I have only fed them once with pure blend pro 3-2-4 maybe 5 days ago. and once at like day 13 with alaskan fish fertalizer 5-1-1, really light.

The plant I took the picture of was planted in a light shade as an experiment and I plugged the socket hole in the bottom with a t-shirt so perhaps it isn't draining and appears overwatered and will of course die if that is the case no biggie.

however most the plants have the rust spots on them.
pics in my grow journal in my signature, will you please follow it?.

What will happen if I just leave this untreated, and ignore it?

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laserbrn said:

I am slightly confused. Did you transplant them into a better quality soil? You shouldn't be having to feed them at all if you use a good quality soil at the size that they are. If anything I would try a little Cal-Mag with each watering if you're using RO water, you didn't really specify. It does look like a little MG Deficiency (twisting leaves, rust spots, dark red in the stems,etc). It's either Calcium (from using RO water) or Magnesium (from cannabis LOVING magnesium) and Cal-Mag Plus from Botanicare would clear it up. Concerned you need it so early though. Get yourself a ph pen and test the runoff to make sure you don't just a lockout occuring.

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MatanuskaValley said:

I forgot to add I transplanted from crap soil to fox farms ocean harvest. I have not fed since they were transplanted.

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laserbrn said:

RO Water is watered that has been treated through Reverse Osmosis. Generally this will be either at your home or buy purchasing bottled water. This water often lacks in calcium and something like Cal Mag Plus from Botanicare is needed to supplement the deficiency in the water. General tap water USUALLY has enough calcium that it's not necessary to add Cal Mag.

If you transplanted into Ocean Forest soil you need to just water and wait. You don't need to add anything else into the mix. You might try Cal - Mag diluted to 1/8 strength or even less and foliare feed to relieve some stress, but that FFOF forest is rich in nutrients and the plants should be just fine.

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MatanuskaValley said:

sweet! I use tap water I have heard it comes out 7.5 to 8. How long in to flower is it usually necessary to add nutes to the FFOF?

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laserbrn said:

The FFOF is pretty hot, it should take at least 3-4 weeks before the FFOF is depleted at all. I'm not sure of the N-P-K of that soil but how long into flowering it lasts depends on how soon after you put it in the soil you start flowering.

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