Help me Identify problem with plants (photos)

[jaytea]

Hi , I have researched and looked at all the plant problem photos I can find , I still cannot pin down what my issue is. My plants have been turning blackish color on the edges and then they dry up and get crispy usually consuming half the leaf. I have been PH balancing at 6.2 , I even did a flush with distilled water. Still the problem persist. Please see photos

PS. I am growing in Soil and using Fox Farms nutes. I am in my 2cnd week of flower but this problem has persisted all throughout veg cycle and I want to nip it in the bud before flowers start developing.

 

[jaytea]

I made this little video for better viewing of my plants and their condition . Please watch and tell me what you think is the problem . I need to find the solution ASAP as I am beginning to see the early signs of flowers.

 

[vostok]

Not enough perlite for sure ....for sure ..lol, see FFOF for what it is,...really to 'hot' for cannabis, hence why many and me.. advise growers to mix in 30% perlite to the pot, to avoid compaction and to dilute these hot soils, so you may add your own later with little affect on the plant itself, avoid using distilled water but rather mix in 50% normal water or suffer (mg) def. later, normal shit water still has many thing plants need ...let the plant decide!

 

[jaytea]

Not enough perlite for sure ....for sure ..lol, see FFOF for what it is,...really to 'hot' for cannabis, hence why many and me.. advise growers to mix in 30% perlite to the pot, to avoid compaction and to dilute these hot soils, so you may add your own later with little affect on the plant itself, avoid using distilled water but rather mix in 50% normal water or suffer (mg) def. later, normal shit water still has many thing plants need ...let the plant decide!

I added like 30% perlite to the soil before planting . It's got tons of perlite in it.

 

[chuck estevez]

like said above, quit using distilled

 

[jaytea]

like said above, quit using distilled

I only use distilled once for the flush about a week ago. I've been using tap water that I sit out for 24 hours with a bubble stone , then I add my nutes and adjust the PH . Maybe I should stop using nutes all together?

 

[vostok]

I added like 30% perlite to the soil before planting . It's got tons of perlite in it.

Time for another flush to my blog: https://www.rollitup.org/Journal/Entry/flush-baby-flush.27513/

 

[jaytea]

like said above, quit using distilled

Thanks for your advice , do you think this is nute burn?

 

[chuck estevez]

I only use distilled once for the flush about a week ago. I've been using tap water that I sit out for 24 hours with a bubble stone , then I add my nutes and adjust the PH . Maybe I should stop using nutes all together?

what is the RH of your room, how close are plants to light

 

[mmjmon]

Just to rule it out, have you looked on the bottom of your leaves with a scope for bugs?

 

[jaytea]

what is the RH of your room, how close are plants to light?

I've got the RH at 60 right now . My lights are 6 bulb T5's and they are about 12 inches from the canopy , I can put my hand under it for more than a minute and feel no real heat issue , My room during the light cycle is around 75 to 80

 

[jaytea]

Have you looked on the bottom of your leaves with a scope for bugs?

Yes I have checked for bugs , none on the leaves but I did have some gnats in the soil , I got rid of them weeks ago with neem oil

 

[chuck estevez]

I've got the RH at 60 right now . My lights are 6 bulb T5's and they are about 12 inches from the canopy , I can put my hand under it for more than a minute and feel no real heat issue , My room during the light cycle is around 75 to 80

see chart I posted,looks like a phos. def.

 

[jaytea]

see chart I posted,looks like a phos. def.

hmm so should I flush or start adding more nutes?

 

[Diabolical666]

Have you looked at them under a microscope?

 

[jaytea]

Have you looked at them under a microscope?

I looked at them under one of the jewelers loops. The damaged areas look like its dead plant material with thousands of little black dots

 

[Diabolical666]

what was the magnification? 30x, 60x?

 

[jaytea]

what was the magnification? 30x, 60x?

I've got both 30 and 60 in one loop , its got a light on it . I don't see any spider mites if that's what you are thinking. I've seen them before and have not seen any on this grow.

 

[Diabolical666]

no I want you to look for micromites at 60x zoom. Start at the base of the leaf (where the leaf grows out from stem), look at both sides of the leaf, look at the new growth thats garbled looking and the stem close to the base and at random nodes

 

[jaytea]

no I want you to look for micromites at 60x zoom. Start at the base of the leaf (where the leaf grows out from stem), look at both sides of the leaf, look at the new growth thats garbled looking and the stem close to the base and at random nodes

I just checked it as you said , I don't see any type of insects at all , nothing. not even an egg or anything. like I said about a month ago I neem oiled the shit out of it to get rid of the gnats and havent seen them since then either.