Holes in leaves

[BoofPakk]

Unsure what is going on here.

[Chefbjy]

What kind of soil are you using nutes what's the pH? Having some of that happen myself even on new growth. I can't seem to find out the culprit myself. My first thought were bugs but I've gone over every inch of soil and plant matter combed my tent no bugs. Then I read about nutrient deficiency toxicity and pH problems. Still not sure what's causing it. In first week of flower and haven't figured it out. The rest of the leaves and plants look healthy it's just here and there.

[BoofPakk]

Using Fox Farm Ocean Forest, I believe some of the holes in the leaves are from the nutes. IM using general hydroponics go box kit, should be safe. What PH are you using?

[GreenhouseEffect]

Is it possible you got a little bit of light burn from nutrient droplets on your leaves,that atrified and left a hole?
Not really sure.

[Chubbs9879]

That is definitely fungus gnat bites... nothing to worry about, and you won't see them... unless you water your soil and watch them come from under the soil. They only live for about 14 hrs and u won't see the carcussec cuz the decompose back in the soil. Put a flypaper by your stalk and worry no more. Try watering a lil less as well

[D.A.A.S.69]

I'm not saying that's bug damage, but I am saying FFOF has been notorious for having bugs in their soil.

[Chefbjy]

Using ffof myself run off at 6 general hydro nutes drain to waste. I'm going to get sticky traps to see if bugs are an issue which I highly doubt it is. Because I actually combed through the soil before and after watering spent hours looking for bugs. Been feeding pretty heavy so I'm flushing with regular water till my run off comes down a little. I don't know what nutrient would do that. Using the complete general hydro feeding schedule as a reference on how much to use and when. What about acids? Could pH down cause it? Or diamond nectar, humic acid? Just throwing it out there. I never had it happen last grow so I'm still lost.

[Chefbjy]

Forgot to say that I used neem oil for a solid week thinking it was bugs so there is another reason I doubt it's gnats. Thinking of doing a Coco blend next grow. But just wondering if there was a chance the ffof had/has bugs wouldn't the store carrying it have problems with all their soil? Just wondering if it's possible that the store would be contaminated with bugs.

[Chefbjy]

Not sure if this has any merit here since this link talks about trees.

[Chefbjy]

This really intrigues me because I've found a few more posts on this forum with same leaf symptoms. If not a bug then what? I was hoping to get advice here or an actual cause. Some say bugs some say nutes or pH nothing is for sure. Been doing some research myself but it would be nice to have an expert assessment. Thought maybe since my wife smokes flower in the same room my tent is in that it could be a factor. Also I smoke cigarettes and there is the factor of third hand smoke effects. I saw that article and start thinking fungus. Sorry I'm blowing up the thread but it has me boggled. But I'm still not convinced it pest related.

[BoofPakk]

You say your wife has smoked flower in the tent? I've done the same just for shits n giggles but maybe that causes something but Im not sure. I have read FFOF has bug problems but my issue doesn't seem to be bugs cause I think the damage would be much more severe and at a faster rate.

[Chefbjy]

Not in the tent but in the same room. I thought the same about it if it were bugs my whole grow would be gone by now. But I'm not sure big expert either. I figured someone has seen this before and could diagnose the leaf damage. There isn't any other signs of damage no unhealthy growth no leaves curling or dying. No webs or waxy look. I still can't say it has to be bugs because there are no other symptoms of pest damage.

[Locrian99]

I had posted on this thinking it was caterpillars. I am also using FFOF. I think mine was being caused by some sort of nute burn. Not sure which one. But I am fairly certain I had nitrogen toxicity going on, dark green leaves feeling “crispy”, had some burnt tips etc. I have been giving just plain water and am not seeing any issues on new growth, been watering to run off and checking run off with a tds meter lots of nutes already in the FFOF and I wasn’t thinking about when I transplanted it gave them more nutes. Anyways it seems to have gotten better, oddly of my six plants I also noticed the holes in my best growing plants, sucking up more water/nutes I presume.

[Chefbjy]

What is your run off at?

[Locrian99]

The day I realized what was happening the 6 plants. Ph in 6.4 ph out 6.7-6.9. TDS in 550 tds out 1100-2850 (most were 1900-2300)

[Waltermelon]

My thinking on this is your pH swang and the plant sacrifices a small part of it to fight the attack. I had an almost identical issue last week. The tent it happened in had those missing pieces of leaf and all the gear inside was brand new including tent, light, freshly expanded coco, even the pots we're new. It coincidentally happened on a day I fed straight water and silica (extremely low pH).

[Locrian99]

Oops I misread that.

[Chefbjy]

I didn't ph my water first go around till I started flowering and I had deficiencies. My nutes drop the ph of my water considerably in flower and it runs high in veg. So that could very well be even though my ph control was super strict. This really didn't happen till final transplants and transition. Not using ffof in the future though.

[Waltermelon]

Go with coco, there isn't a better media out there that works just as well for beginners as it does for master growers. You'll get very similar results as anyone else as long as your nutes regimen is proper. Also much less issues with bugs.

[Cronk]

happened to me too. I think I watered and left some on some leaves, put back under the light and it burned. No bugs were seen

[Locrian99]

I’ve used a foliar spray with lights on 24/0 and didn’t notice any issue. I know certain insecticides like neem oil or azamax should be done at lights out. I believe and I might be wrong with at least the neem oil the Light degrades it’s effectiveness.

[Waltermelon]

Most of the time in my experience if something burns a hole in a leaf, it's from pH. Any time I get nute solution on my leaves it just leaves a white spot (residue from nutrient solution after the water evaporated). I think I'm pretty overkill on my lights in my tiny tent. Running 2 600w(total 600 true watts) LEDs in a 3x3 reflective tent should be enough to cause the magnifying glass effect if it was going to happen. I've never seen it.

[Cronk]

you're probably right. I only have my experience, either way it's good that it's not a threat

[BlueBudz]

Have you pinched tops on this plant ever? Or used lst and we’re a bit rough? I have damaged lots of leaves this way and looked like that.

[BlueBudz]

Mine are in fabric pots and sometimes I lift them and accidentally grab a leaf with my thumb and tear it a bit lol
I’m not sounding very graceful haha

[Chefbjy]

yeah some of my lst turned into cutting off one side or taping it up. I have fabric pots too and not always so graceful myself. But I've noticed new growth here and there that seems to have similar leaf damage so not sure that's my case. I've been keeping an eye on them it's been almost a month since it started but everything seems to be doing well into flower now and did some supercropping and they bounced back overnight. So they are vigorous healthy plants with a few scars lol. I've never seen anything about infections on this site think I may research it a little more.

[Chefbjy]

After doing a little more research on this I believe to have found my culprit. And along with a slight nute burn.http://www.growweedeasy.com/cannabis-wind-burn

[BoofPakk]

I believe I had multiple problems which included too high humidity, over watering, topping/pinching and my fans were set up poorly. They've grown nice n big since this post. Everything cleared up for me so I couldn't pin point the problem. Thank you for that link you attached because the random brown spots on my leaves MUST be form that since i have no bugs.

[Chefbjy]

I had my fan on max and I can't believe I didn't notice the clawed leaves thought it was just from over feeding. I have the fan pointed higher so it just blows ever so slightly on the plant instead of the direct wind constantly blowing on them.