whats wrong with these.

polishfalcon420 · Dec 2, 2009

hey everyone just thought Id throw up some pics of my og 18 that has some issues and see what you guys thought. its in a dwc setup, ph is 5.8, temps range from 75-81 and nutes are about 300ppm. at first the lower leaves started to get grey spots and the edges curled up and are now very dry. the newer leaves dont have the grey spots but are all crinkled with the edeges starting to curl up. and for some reason the very top has started to droop. what do you guys think?

Sexxxy Beast · Dec 2, 2009

I have a similar problem, what level is your tank in comparison to your net pots?

polishfalcon420 · Dec 2, 2009

2-3inches below.

Sexxxy Beast · Dec 2, 2009

what is your nutrient solution, and are you using RO water?

highaltitude · Dec 2, 2009

Your new growth seems OK - looks like nute-burn on those earlier leaves.

polishfalcon420 · Dec 2, 2009

I use tap water thats 150ppm right out of the tap and right now the nutes are about 300ppm. the older leaves did that with no nutes at all and the new growth is wrinkled.

polishfalcon420 · Dec 3, 2009

anyone else have any Ideas?

polishfalcon420 · Dec 8, 2009

still no ideas?

vapedg13 · Dec 8, 2009

you got the black spot fungas or

Phosphorus (P) deficiency during vegatative growth. Many people mistaken this for a fungus, but look for the damage to occur near the end of leave, and leaves the color dull greyish with a very brittle texture.

polishfalcon420 · Dec 8, 2009

I thought that at first too. the spots start out grey and then go brown and then turn yellow from the center of the spot working its way out. and then the hole leaf dries up and turns brown.

whats wrong with these.

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