Looking for Some Ideas on This Issue! Leaves Shriveling and Burning!

HI Guys and Gals,, I am having a little issue and wanted to see if I could get a few ideas thrown at me.

I am getting a few leaves browning and burning in the lower section of my plants. These are Mother plants in Veg,, and anywhere from 2-3 months old. I grow in Coco, and the Tops as well as the stems and leaves are very healthy, I just tend to get this shrivel and burn that seems to work itself up from the bottom of the plant on various leaves, and cant I tell if its a deficiency,, or simply just lack of light. I am also getting rid of the Botanicare Aquashield, cause I think that may also be a problem. Bottle says 1 year shelf life from date of shipping, but there is no shipping date on it, and its not something I normally use.

I did flush them a week ago thinking it could just be some salt build up, but may need to flush again.

ANY THOUGHTS??

I would guess you need to increase your ppm but it would be good to see what the top of the plant looks like too. Do you know what your current ppms are?

Bugeye said:

I would guess you need to increase your ppm but it would be good to see what the top of the plant looks like too. Do you know what your current ppms are?

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Yes, I am pushing 800ppms (.05) at this time, which is where I usually top out with my moms. The tops of the plants are a NICE, HEALTHY GREEN Color and overall the plants looks very healthy, its just this one issue that has been coming on the last few weeks. I was thinking possibly sulfur or iron, but then I think it would be a lockout issue, cause they are getting plenty of nutes, and using RO Water on top of that.

get a real good microscope and look for broadmites http://www.sardi.sa.gov.au/pestsdiseases/horticulture/horticultural_pests/integrated_pest_management/resources/greenhouse_pests/broad_mite

chuck estevez said:

get a real good microscope and look for broadmites http://www.sardi.sa.gov.au/pestsdiseases/horticulture/horticultural_pests/integrated_pest_management/resources/greenhouse_pests/broad_mite

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Girls are Clean!! Heck I haven't even seen a Fungus Gnat in quite a while.

Rusty Shakelford said:

Girls are Clean!! Heck I haven't even seen a Fungus Gnat in quite a while.

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can't see these mites without a 60x magnifier. Better look REAL close.

chuck estevez said:

can't see these mites without a 60x magnifier. Better look REAL close.

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Yes, I know that, so I have my trusty hand held that I check my plants with.