Alright, rather than incorporate this whole thing into Ohsogreen's thread, I decided I would start my own. With pix. I'm working with a total of 13 plants all grown from seed; 8 Conquistador; 1 Papaya; 4 California Indica x Big Bud. Ok, let's go.

First plant: Conquistador (#3). This is/was My Little Borked Connie. From when it sprouted to this point, it's just always had issues. Started off with weird, corkscrewed leaves, which have now been pinched off. Was looking better, and then I noticed these spots.

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Yerrrrrrp look at the post I posted in the other shit thread, I tell you how I solved this problem :]

You're the Epsom salt guy, right? But wait, there's MORE! (I'm working on all the photos and uploading right now).

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Add about 1/2-1 teaspoons of MgSO4(Epsom salt), to a quart of water and mix thoroughly. Add this mix to a sprayer, and foliar feed it on the plant once in the morning and once in the evening. You might want to test it on a leaf or two first, just to make sure it won't damage anything(and you want to do this with usually all foliar feeding solutions as well). If you foliar feed during the middle of the day, depending on where you live it might be too hot. The pores on the plant, called stomata are open the most when its cooler out. So, in the evening and afternoon, spray the tops and bottom sides of leafs, and your problem should be solved.

This problem, however might be related to Calcium as well. So a mix of Calcium and Epsom should make thos ladies perfect

cheers

Second plant: California Indica x Big Bud (#17). This, as with all the others, started off GREAT, no problems at all. As with all the others, it's growing AMAZINGLY well, just huge. But, I've got this problem on the leaf margins that you'll see.

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that looks like Mg to me too. Only on bottom leaves (mobile nutrient), spotting, fringe burning, and yellowing.

Aren't you feeding these girls anything?

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Lumens, lux, and adding it all up :: 16K HPS vs. CFL :: DIY Drip Irrigation :: Pack water transport

Looks like they were burnt, or because the leaves are twisted they are dying off?

I'd suggest trimming off the lower fan leaf that's brown, and the lower branches that are struggling, this will promote more growth to the top of the plant which looks healthy.

Wait for more replies, but i think trimming them off is your best bet, they won't grow anymore and the burnt leaves won't absorb light.

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It's only on old growth, meaning it's a mobile nutrient issue. Actual burning would be on upper leaves.

Trimming them will only hide the problem until it shows on progressively higher leaves. As the plant gets larger, the deficiency will worsen - the plant obviously needs more as it grows - and it will take time and nutrient to correct. In the meantime, you've stunted the growth of the plant and lost foliage.

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Lumens, lux, and adding it all up :: 16K HPS vs. CFL :: DIY Drip Irrigation :: Pack water transport

Third plant: California Indica x Big Bud (#1) (I have all the pots numbered). Growing very well, but...

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ditto.

you dig up the soil, right? are you amending it or feeding it anything with Mg in it?

I love homemade tonics and shit, and will only grow organically, but to save headaches I spring for botanicare and never have any deficiencies. It's really not expensive.

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Lumens, lux, and adding it all up :: 16K HPS vs. CFL :: DIY Drip Irrigation :: Pack water transport