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Weird drying like looking leaves...?

W

WhyWaitforit

Member
I know this has probably been answered here a billion times but hey. The search engine sucks and gives you every answer for every word so bear with me eh?

I have a weird what looks like when you hands get too dry and crackly happening to the fan leaves of one of my vegging plants. It seems to be happening just around the node where the leaves split off into 5 but not more towards the ends... Any help anyone?

Also sorry no pics haven't posted enough yet to get privileges..

Thanks everyone

Jp, Peace
 
R

rounders02

Member
what up whywaitfoit, to me it looks like it you might be giving it to much nutes, maybe try just plain water the next couple of feedings... rounders
 
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W

WhyWaitforit

Member
No not distilled Huggie but i do leave the water out for 24 hours and air-rate it...

And yea rounders too many nutes might be a problem. But I was just giving it EarthJuice Grow and in a waaay milder mix then is even on the label.

Hell yea though thanks i'll try flushing it anyways.

Jp
 
stinkyattic

stinkyattic

her dankness
Veteran
The pic with your hand in it- that looks like physical damage, not a burn. Like from touching a hot lamp. If you see that pattern of damage on only ONE leaf, look around for physical causes before running to flush your plants!
BUT there is another problem with those plants. They look locked out big time, but without enough tip burn to make an overfeeding diagnosis obvious.
What is the pH of your runoff?
Also, for future reference, the surface of the soil should be VERY close tot he level of the rim of the pot. Air flow is impeded when plants are too low in the pots, as yours are.
 
W

WhyWaitforit

Member
Well that is only one plant but that damage is not just on that one leaf the one im holding its on most of them. It could have been from gong under the 400 too soon but i do not know.

Also the P.h. of my runoff does that mean after the water has gone through the plant sorry im a little confused about that one.

And yea I was actually just a tiny bit short on soil and money so yea thats the best i can do I did figure that would create an airflow problem but i had to transplant cuz of the killing Hydro-hut.

Thanks a lot though man what would you suggeset for lock out?
 
stinkyattic

stinkyattic

her dankness
Veteran
Oh okay well then if it's on more leaves then DEFINITELY you will need to flush. Before you start, go grab some type of pH testing kit. The GH liquid drops are CMEMORY at $7 a bottle. You will also probably need a small bottle of pH up and possibly one of pH down. Usually peat soils go more acid, so you will go through more 'up'.

First, check the pH of your tap water.
Then pour a big serving of this water through the pot and check what the pH of the water draining out the holes is.
Compare these numbers, and it will tell you what the soil did to the water- say you use tap water at 7.0 and it comes out at 6.5. You can be reasonably assured that your soil pH is around 6ish.
This is more art than science, and that's all it needs to be.

If you determine that your soil pH is below your desired range of 6.5-6.8, make up a flush solution at pH 6.9-7. If you think your soil is too HIGH, flush at 6.3-6.4. See where I am going with this? You are trying to both REMOVE excess fertilizer salts from the soil, and COUNTERACT any ill effects of the fert or soil components on the medium's pH.
Typically you should use 3x the volume of the pot in flush liquid, and make certain that the water coming out is in range by the end of the flush process.
The last step is always to do a weak 1/2 strength feed with your regular fertilizer. It MUST contain micronutes. You are trying to return the GOOD stuff to the soil now that teh BAD stuff is gone. MAke the pH of this first feeding right at 6.7 to be extra safe.
Good luck.
 
W

WhyWaitforit

Member
Awesome buddy I really didn't put together that you could get a general reading of your soil p.h. that way thanks a ton.

Yea my water p.h. is around 6.5 right now. Does it also matter that I'm using foxfarm soil and my nutrient mix is already so low it's like a mild of a mild mix. Any idea what could have caused this then. I thought foxfarm soil was already supposed to have the correct p.h. but I could always be wrong... I just don't know where the excess nutes could have come from?

Jp
 
stinkyattic

stinkyattic

her dankness
Veteran
There are 2 separate things you're talking about- pH and fert content. They are related, but not in a really predictable way, so think of them separately.
What you CAN predict is that after about 6 weeks from the first watering of fresh soil, peat-based potting mixes start to drop in pH as the lime they are packaged with is used up. How fast that happens depends on your water, fertilizer, and how much calcium the plants are taking up- but the water is the most significant part of this. If your fert solution is acidic, you use up some lime every time you apply it. This is why you should plan to re-pot your plants into a slightly larger home every 6 weeks.
Fertilizer salts can sit in the soil and recombine into other less desirable crap that the plants can't use, and they can also contribute to pH problems, so if you think you need to flush, you probably do!
 
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