DWC Plants seem to be becoming sick

[Blizzin]

Ok my plants seem to be beginning to drop and some kind of deficiency. Ok a couple questions if anyone would be so kindly to help. I have a couple dropping leaves toards the bottom of the plant anything I can do about that? Also As you can see in the pictures like 1 or 2 leaves out of all 5 plants have those yellowish orange spots which doesnt make sense why wouldnt other plants show signs?
My Setup Fluro 2 55w 6500k lumens
DWC 5 gallon reservor
fans ciculate
plenty of ventilation
temp stays around 78F and water is 68F pretty constant
I am useing General Hydroponics nutrients as stated on bottle for veg growth
Also I am foil spraying them about every 4 days with waterfarm
Also just began usuing Hygrozyme today see if it helps anything
Grow space is 31,5 x 31,5 x 63

[Blizzin]

Also forgot to add My ppm is around 1200 right after a new flush. Anyway here are pics.

Thanks For Help

26 days old on 24/0
http://i407.photobucket.com/albums/pp157/Paint8385/IMAGE_022.jpg
http://i407.photobucket.com/albums/pp157/Paint8385/IMAGE_023.jpg
http://i407.photobucket.com/albums/pp157/Paint8385/IMAGE_024.jpg

[Duke420]

The spots could be a K (potassium) deficiency. Eventually the rest of them will show signs, like dark green leaves, then they lose luster, leaf margins turn yellow, progressing to rusty or brown spots then they die.

I would flush the system, use a mild solution (600)for a week and make sure you ph. :thumbsup:

[Blizzin]

The spots could be a K (potassium) deficiency. Eventually the rest of them will show signs, like dark green leaves, then they lose luster, leaf margins turn yellow, progressing to rusty or brown spots then they die.

I would flush the system, use a mild solution (600)for a week and make sure you ph. :thumbsup:
I am Phing like every 6 hours never leaves 5.8 to 6.0. Also about flushing it I just put a new batch in there last night after seeing the spots and droping think I should still cut back to about 600ppm? thanks for help

[Wobster]

I know nothing about hydro, ppm etc but the brown patches in that second pic look like nute burn to me. Could it be the waterfarm ur spraying on them...? Maybe half the concentration of it to see if that affects it. Then again, maybe wait for weedhound's suggestions. He's the hydro man.

[Weedhound]

Whenever you are in doubt about what is wrong I would immediately do three things.

1. Make sure your aeration is sufficient.
2. Make sure your ph meter is freshly calibrated
3. Drop your total ppms as overfert can present in some odd ways. Too much of one nute can actually lock out another.....although I''m not sure that's the problem here. The point from dropping the ppms is along the line of thinking the a deficiency will make your plant sicker.......but overnute can kill it off outright so always go with less in a situation you are unsure of.

That said..The yellow patches to me appear to be lightburn. What kind of light are you using and how far away is it? Can you get a pic of the entire plant, not just parts of it at a time? It would really help.

If you fill out Stinky's troubleshooting form it would be even easier (anda lot faster) to figure out your problem.

[Blizzin]

Whenever you are in doubt about what is wrong I would immediately do three things.

1. Make sure your aeration is sufficient.
2. Make sure your ph meter is freshly calibrated
3. Drop your total ppms as overfert can present in some odd ways. Too much of one nute can actually lock out another.....although I''m not sure that's the problem here. The point from dropping the ppms is along the line of thinking the a deficiency will make your plant sicker.......but overnute can kill it off outright so always go with less in a situation you are unsure of.

That said..The yellow patches to me appear to be lightburn. What kind of light are you using and how far away is it? Can you get a pic of the entire plant, not just parts of it at a time? It would really help.

If you fill out Stinky's troubleshooting form it would be even easier (anda lot faster) to figure out your problem.
First of Thanks for your time and help Weedhound and wobster.

Stinkys Form

indoor
hydroponic
Rockwool with those red pellets surrounding
DWC
PH is 5.8-6.0
Water source is store bought drinking water comes 6.0 ph
Age is about 25 days
ppm sits at about 1200 when fresh batch is put in weekley
Lighting is Fluro 2 55w 6700 lumens bulbs about 8 inches away
temp varys from 72 to 78F
water temp sits at 72 all time
humidity not sure but 70-80%
lighting is on 24/0
several fans for vent
I presoaked the medium in 6.0 ph water for 2 days beforehand

Also about the pic Weedhound will get best pics I can alls I got is a cell phone but see what I can do.

[Weedhound]

If you have a lot of plants together (this is the way it appears) the leaves will overlap and water can hide in certain spots......especially in higher humidity like yours.
Wobster mentioned splashing and I think its' along the same line so you have two votes for lightburn. :D

Without knowing what kind of nutes you use I would suggest two changes but I'm not sure either of these is YOUR issue.......at the moment. I would stop using botttled drinking water and go with either distilled or RO and CalMag or use the water from your tap unless its too hard. Bottled water carries its own issues.....including higher sodium content I believe among other issues.

Dropping the humidity in your room may also help.....70% is pretty up there (I like mine in the 30's) so that is something to think about for future........especially in flower where mold and fungus will throw a HUGE party on your plants with the higher humidity.

[Blizzin]

humm ok so ill raise my ligts a little.im using GH nuts. Also your right my plants are close together prolly a big factor, but in the end will it affect overall production by losing lower leaves like i am now? Also about the humidity its like 95 here everyday and humidity in the 90s so not sure it is even possible for me to do that without making an enclosed room? Once again weed thanks for your time.

[Weedhound]

Don't raise the lights......you're using flouros right? Just grab a good paper towel and go around pulling leaves apart and dabbing up the moisture. When you see two leaves overlap that is usually where water forms. If you raise your flouros too high they will become useless to you. I honestly believe your issue was water or nutes splashed onto the leaves and ANY light will burn wet leaves. Dry yours.

IF you are running straight DWC I'm not surprised that the lower leaves are dying off. As long as your new growth looks good and it's just the older LOWER stuff I personally consider that normal. If the drooping starts crawling up your plant and appearing in the newer, higher growth I would call it a different issue.

As for humidity.....all you can do is your best but if it remains high you may very likely encounter disease issues later. Consider a good fungicide like Serenade and follow the directions on the bottle EXACTLY......anything you can do to prevent your molds and funguses is good.

Your welcome. :) Hope that info helps.

[Blizzin]

Don't raise the lights......you're using flouros right? Just grab a good paper towel and go around pulling leaves apart and dabbing up the moisture. When you see two leaves overlap that is usually where water forms. If you raise your flouros too high they will become useless to you. I honestly believe your issue was water or nutes splashed onto the leaves and ANY light will burn wet leaves. Dry yours.

IF you are running straight DWC I'm not surprised that the lower leaves are dying off. As long as your new growth looks good and it's just the older LOWER stuff I personally consider that normal. If the drooping starts crawling up your plant and appearing in the newer, higher growth I would call it a different issue.

As for humidity.....all you can do is your best but if it remains high you may very likely encounter disease issues later. Consider a good fungicide like Serenade and follow the directions on the bottle EXACTLY......anything you can do to prevent your molds and funguses is good.

Your welcome. :) Hope that info helps.
well just flushed everything out and used half nuts now 630ppm for 5 gallons and recalibrated blue lab tester was .2 off, so see how it works. Also thinking off splitting plants into 5 gal buckets is it worth it in your opinion Weed and this late in vegging? almost 4 weeks anyways thanks for help

[polishpollack]

Blizzin, you write that you're using GH but that is a three-part nute. Are you using the Micro part as well? You probably should be using all three, the veg, micro, and flower ferts together in different strength depending on the cycle. For example, use a little more of the veg fert (green one) for veg growth and less of the flower fert. Use the same concentration of micro throughout the entire grow. It's good that you measure both pH and PPM. This is necessary in hydro, but no so necessary in soil. It looks to me like the spotting you're seeing is probably magnesium deficiency, but it's hard to tell for sure because the spots don't show too well in the photos. If what you're seeing is golden-yellow spotting in between the leaf veins (on the meaty part of the leaf), then it's probably mg deficiency. It isn't enough to just use one bottle of GH nute. The reason why nutes for hydro are seperated into different containers is because the manufacturers want to give the grower the ability to modify how the ferts are used and tailor them to different situations. The other reason is becuause the manufacturers want to get more of your money. But since you're using GH you can get the micro if you don't have it or just throw in a small amount of epsom salts, like half a teaspoon and see if that makes a difference. If I'm right about it being mg def, then you'll see the plants improve in about a day or so. The bummer about epsom salts is you need very little of it but have to get it in a large container typically, at the drug store. I've seen mg def before and that's pretty much what this looks like. The GH micro has magnesium in it, but the micro is the only bottle. One other reason to split the ferts out is to prevent the elements from binding to each other and falling to the bottom of the container. Then they're useless. I'd leave the PPM at 1200 as I think that's a good number for DWC. In fact you might consider raising that to 1400 as the plant looks rather large. It looks fairly good so far, I think you did a good job and you're almost there. If you feel you can clone that thing, go for it. The more, the merrier. I don't know how cutting PPM in half will help as the plant looks good now. You just need to identify the problem and fix it. There's probably pics on this site and on the web of deficiencies. Try googling if you want, but I'm pretty sure it's mg def based on the pics.

When you switch to 12/12, just cut back a little on the veg fert and give more of the flower fert. Keep the micro amount the same. You just shoot for the same PPM number, only higher phosphorus, lower nitrogen. By the way, it's almost impossible to light burn plants with flouro, even if the leaves are wet. Flouro just isn't hot enough.

[Blizzin]

Thanks for post. Yea i use all three of the GH nutes. Micr,bloom,and whatever the other one is and following bottle instructions for veg phase. Damn I am torn between 2 opinions cut back nutes and add slightly more hummmm.. gonna let it go another day or 2 and see how it looks.

[polishpollack]

Yeah I figured you'd feel stuck. I don't think 600 PPM is enough. What about the spotting? Are you seeing golden yellow spots in between the veins?

[Weedhound]

Thats one of the reasons I suggested using RO and CalMag vs bottled water. But I am not seeing an mg def there and I dont think you need to go higher. If you do.....watch carefully for overnute.

I'd still love a photo of the entire thing.....it would help a lot.

[Weedhound]

And I completely disagree that flouros can't get hot enough to burn wet leaves.

[veggii]

Thanks for post. Yea i use all three of the GH nutes. Micr,bloom,and whatever the other one is and following bottle instructions for veg phase. Damn I am torn between 2 opinions cut back nutes and add slightly more hummmm.. gonna let it go another day or 2 and see how it looks.


hey wuz crakin this should be a easy descision on who you should listen too,
heres what you do look at the join date of member/then look at their reputation/then look and see if they have any grow logs in your type of growing water or soil then apply a little common sense and go over the post again.

too me, the pollock is steering you in the wrong direction and is a inexperianced grower and poster as you can see in his reply the first thing he asks if you have the GH micro nutes which you clearly stated you have all 3grow/micro/flower
but he misses that in your post and tells you too go buy it, things like this are big indicators the person replying is inexperianced ! and you should take their recomendations with bigass of grain of salt


hey WH, I actually burnt my finger on my T5's the other day not bad but it bubbled doh! mine are a tad hotter than commercial as they are a cool ass DiY fixture

so if your still unsure you should ask more questions, i'll leave you in very competent hands the weedhound's hands good luck ;)

[Blizzin]

Thats one of the reasons I suggested using RO and CalMag vs bottled water. But I am not seeing an mg def there and I dont think you need to go higher. If you do.....watch carefully for overnute.

I'd still love a photo of the entire thing.....it would help a lot.
Ok new pics Tuff to get pics of single plant sorry weed hope this helps and thanks again

http://i407.photobucket.com/albums/pp157/Paint8385/IMAGE_032.jpg
http://i407.photobucket.com/albums/pp157/Paint8385/IMAGE_031.jpg
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http://i407.photobucket.com/albums/pp157/Paint8385/IMAGE_029.jpg
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http://i407.photobucket.com/albums/pp157/Paint8385/IMAGE_026.jpg
http://i407.photobucket.com/albums/pp157/Paint8385/IMAGE_025.jpg

[icbh707]

i dunno, i think they look great. but are you going to mother them or what? what are they, 16 -18 inchs tall? i do 9 under 1000hps and i would have gone to 12/12 already.
i think weed is right about the ventilation combined with the spraying and humidity. if those were mine id clear out some of those ugly leaves from under the canopy. when i grow kush in winter i get some leaves looking like that on the center plants. i clear some of the lower stuff and set up fans lower to help push air in there. bushy bitches that love to grow mold, but i love babba kush.
i run GH w/ 4-5ml of calmag. my ppms run 1300-1400 (@1000 in summer) and dont normally need to flush (except for summer) but i do flush if i ever think somethings wrong and dont know what it is.
try to get that humidity down but man i think they look great.

[Blizzin]

great thanks icbh, Yea there about 16 inches tall. So you saying you would go intoi 12/12 by now? still to early no?

[Wobster]

Hey Blizzin. Theyre lookin pretty damn good to me. Yeah, you have some issues with the little brown patches and Im not sure whats causing it. They are deffinatley big enough to flower.

Is this your first grow? You probably already said but I didnt spot it. If it is... you are going to be suprised by how much upward growth you get when u switch to 12/12.

In a couple of my past grows, I had small issues similar to yours. When I put them into 12/12 tho, it was as though they got a new lease of life and there appearence dramatically improved. I know it's better to address any problems before going into flower but the problems you have look to be pretty mild. Honestly... they look nice to me.

I've only ever grown in soil and that has given me a much wider error margin than using a DWC/Hydro setup. Keep us posted on your on grow :thumbsup:

[Blizzin]

Thanks Wobster, Yea this is my first grow. didnt know you should switch to flowering in about 4 weeks? Thanks for help.

[stinkyattic]

Your plants look pretty good, with some early lockout symptoms, and the scorchy nasty low leaves are showing what looks to me like a problem stemming from your 'drinking water' whcih likely has sodium in it. BAD for plants! Locks out other nutes. But the plants look good. The few small tan/rust patches I see look like potassium lockout. That can be caused by the sodium too. Teh pale stripes on some leaves look like a Mg def/lockout.
You got a bottle of GH micro? Spray n Grow? Algoflash? Put a teaspoon in a quart of water in a spray bottle and use that, lightly, a couple times and the problems will go away. I don't know what your foliar spray is- never heard of a waterfarm nute- but you need a good Micro foliar.
What's wrong with your tap water? Jsut curious.
I'd flower them out asap because that system looks like it was designed for flowering clones and your plants are still going to get much bigger!

[stinkyattic]

Too late to edit, but ppm and plant size are not necessarily correlated- just because a plant is LARGE does not mean it can feed more heavily than a plant of a different strain.

[Blizzin]

Thanks stinky. I got GH Micro so ill use in foiler spray very lightly. My tap water i am totally unsure of but im pretty sure its bad tastes like shit and told not to drink excessivly so who knows but the distilled water I buy says sodium free? so who knows but anyways plants will be starting 12/12 tonight see how the girls do. thanks again for help guys ill keep updating pics.

[Weedhound]

What Stinky said......:D

The rest of the pics really do help. I agree 100% with Stinkster that generally the plants look good and the issue is your bottled water and some early lockout symptoms.

Also....consider a good product for root health. I personally like Cannazym which helps ward off root rot but consider SOME quality root product. The roots are very easy to forget since we don't see them alot.....but believe me and TAKE CARE OF YOUR roots.

Dont forget your Calmag if going with RO or disttilled.

Good luck.

Oh...and thanks veggii. :)

[Blizzin]

Yea just went and bought some calmag-c hopefully thats the same all they had. Thanks weed

[polishpollack]

Veggii, you're not real smart, huh? Blizzin's first post doesn't say anything about using micro or all three parts of GH. Read the post again and see where it says "I am useing General Hydroponics nutrients as stated on bottle for veg growth."
Duh.
Lowering your ppm as suggested by weedhound will kill those plants. What is so capable about weedhound?
icbh707 provides the best advice in this thread.