• Here is a link to the full explanation: https://rollitup.org/t/welcome-back-did-you-try-turning-it-off-and-on-again.1104810/

Need help bad... No pic but very detailed explanation of problem and room set up.

Hello all. This is my first post. I have no ability to upload a pic right now but I need help fast.

System Im using= the stinkbud jr home built aeroponic system using PVC fence posts and PVC pipe as featured in a "certain" magazine with build instructions. Everything was built correctly. Each unit has 16 netpot locations and I run 16 plants per unit and I use an 18 gallon res and keep it at about 10 to 15 gallons of water. My plants get to about 3 feet tall, and remember there is a total of 16 per system.

Water= I use reverse osmosis water from the store and it is carbon filtered UV filtered, micron filtered, ect. I cant use the water at my house...

Nutes= I first tried the 3 part from general hydroponics... And am now trying the PH PERFECT nutes that supposedly let you run PH in wider ranges without problems... (but I still keep my PH balanced).... I tried running this system at first using the directions for feeding in the magazine which is 1500 to start flowering and bumping it to 2200 after 2 weeks for the remainder of flowering... I have since tried lowering the PPM to around 1500 to 1700 to see if this fixed my problem and it hasnt.

Environment= my room is around 64 degrees at night at its coldest and around 78 degrees at its highest. Humidity runs between 48 to maybe 60 percent. I am using a 600 watt light for each unit. the light covers fine.

Plants= I currently am trying to do an indica strain and I know these feed heavier than sativas.

Problem= my clones do very well and never really have a problem with them. They grow well thru the veg state and I keep them around 700 to 800 ppm... Once I put them into flower they are about a foot tall. they grow well at first til about 4 weeks into the flowering state and then the ploblem starts and it has been happening with every crop and I have tried about 5 or 6 crops and no success yet.

DESCRIPTION OF PROBLEM= In about week 4 I start to notice very faint spots on fanleaves that are barely noticable. They continue to get lighter until the spot is like a tiny yelllow pinhole spot and then gets a rust spot color (its not from spider mites).. And the fanleaves then start to get interveinal leaf clorosis that starts at the end of the leaf and progresses back toward the leaf stem. The leaves also begin to get too dark green, while the spots continue to get worse and more yellow. It has the appearance of a magnesium deficiency. (but my PPM is in Ok ranges, could it be my reverse osmosis water needs more magnesium than what the bottle ratios say to use)... It progresses until the fanleaves are yellow dry and hanging dead on the plants, but the rest of the plant is till really dark green. Its like the entire plant turns way too dark, but the fanleaves on the upper parts are dead and yellow.

My plants just start the budding phase when all this starts to happen. Eventually the plants fall over and cannot support themselves. i dont know if this is from resin production and the weight makes em fall over or if the plant is just dead and starting to fall over... They dont really take in water much and zero growth in size or potency after all this starts happening.

MY SUSPICIONS AND QUESTIONS= Ok, so here are the incidental things that you should know.

I notice in my res that I see what looks like big flakes of dandruff floating around in the water after I stir PH up or down in it to keep PH correct. Also, this stuff settles to the bottom of the res and when I drain them, it looks like cream colored flakes.

Could this be nutes combining? Also I get a build up on top of my lids because the water drips on the lid tops some which creates a build up on the lids that look like frozen coca cola. The buildup is kinda brown and washes off much easier than a salt build up. Are these dries nutes combining? Also, sometimes I get algae growing on tops of lids too.... So on lid tops i get the brown build up and algae. The water does kinda seep into the res from lid top holes..... Would these things on my lid tops getting in my water be the problem?

And I notice that roots grow out the end of the fenceposts and down into the res.
The roots are nice and white when I first put em in flower but they do turn a cream color and progress to about like yoo hoo chocolate milk color by end of harvest. I have also noticed a bit of algae growing on the roots themsleves where they come out and dangle down in the res. the root portions that do touch the res water dont seem to get as brown.

Everything I read makes me think this is a lack or overdose of certain nutes. BUt my PPM is around 1500 to 1700. I ever tried em up at 2200 like the magazine instructed.

Raising or lowering the nutes doesnt seem to help.

Questions= what is the brown build up on lid tops and will it hurt my plants if it gets back into the res? What will the algae do if it gets back in the res? What is the dandruff like flakes floating in the water? And lastly, the book said 2200 ppm but manufacturer bottle ration instructions seem to run around 800 ppm when mixed according to directions. Is there a difference in the PPM between a chemical nutrient and an organic one? I mean if you run 2200 PPM with organic, should you run 2200 with chemical nutrients. Are they the same "strength"?

Thanks in advance and sorry to be so long winded but with no pics to show I wanted to give as much info as possible
 
Also, is there any way to tell the nute strength of each individual nutrient or can it only be measured as a whole? And Can anyone recommend any nutrients that are single nutes you can add (like magnesium or calcium) that you can run in Hydro/aero set ups?
 

Alpha492

Active Member
A pic says a thousand words, but if I had to guess it is pH issues. How often do you change your res? It sounds like some kind of bacteria is consuming the available O2 in the water and raising the pH.

Nutes can get as specific as you want them. All depends on the brand you run. Most intro nutes like GH, or Botanicare will have a base additive kind of system. Where a base will be used to balance macronutes and additives will be used to manage micronutes. If you really want you can order some of the chemicals used to create these formulas directly and mix yourself, but there is really no point. It's just added stress.

That being said I would recommend getting yourself so Calmag (this formula is produced by every nute company you can imagine) and some Hydrogen Peroxide, or some kind of anti-bacterial additive for your res.
 

cowell

Well-Known Member
Hello all. This is my first post. I have no ability to upload a pic right now but I need help fast.

Hi Jeff... I will try to help, but please take this with a grain of salt... I'm just going off the info you supplied and trying to fit possible problems into the description.. not all that accurate, and it could be something that is obvious while looking. I'll just go off what I know.

System Im using= the stinkbud jr home built aeroponic system using PVC fence posts and PVC pipe as featured in a "certain" magazine with build instructions. Everything was built correctly. Each unit has 16 netpot locations and I run 16 plants per unit and I use an 18 gallon res and keep it at about 10 to 15 gallons of water. My plants get to about 3 feet tall, and remember there is a total of 16 per system.

Water= I use reverse osmosis water from the store and it is carbon filtered UV filtered, micron filtered, ect. I cant use the water at my house...

When you run RO water you HAVE to add "cal-mag" in your res. It's not - it will help.. it's - you MUST add it. You can add mag by using epsom salt (I used to use 5ml/gallon before I switched to cal mag.)

Nutes= I first tried the 3 part from general hydroponics... And am now trying the PH PERFECT nutes that supposedly let you run PH in wider ranges without problems... (but I still keep my PH balanced).... I tried running this system at first using the directions for feeding in the magazine which is 1500 to start flowering and bumping it to 2200 after 2 weeks for the remainder of flowering... I have since tried lowering the PPM to around 1500 to 1700 to see if this fixed my problem and it hasnt.

I use GH. If you ph just your top up water/nutes, you can let the ph in the tank fluctuate. As a plant takes in different nutes it will raise and lower the ph of the res.
I ph to 5.5 and let that drop the res by a few points. You run into more lockout problems with heavy ph swings than you will if you are just running a higher ph in the res and let the plants take what they need. 2200 sounds REALLY hot to me. I don't subscribe to the PPM shit out there. I mix a little lighter than recommended on the label to avoid burn, and not to run through the nutes as fast... the company is out to make money. They will tell you to use as much as you can without killing your plants - but you don't need that much.

Environment= my room is around 64 degrees at night at its coldest and around 78 degrees at its highest. Humidity runs between 48 to maybe 60 percent. I am using a 600 watt light for each unit. the light covers fine.

Plants= I currently am trying to do an indica strain and I know these feed heavier than sativas.

Again, I go by the plant. If it looks like it needs more N - I up it.. if I start to see burn, I add a bunch of water to drop the PPM.

Problem= my clones do very well and never really have a problem with them. They grow well thru the veg state and I keep them around 700 to 800 ppm... Once I put them into flower they are about a foot tall. they grow well at first til about 4 weeks into the flowering state and then the ploblem starts and it has been happening with every crop and I have tried about 5 or 6 crops and no success yet.

Run veg nutes for the first 2 weeks of flower. This will give the plant enough N to get through the initial stretch of flowering and you will find the plants are still green at harvest.

DESCRIPTION OF PROBLEM= In about week 4 I start to notice very faint spots on fanleaves that are barely noticable. They continue to get lighter until the spot is like a tiny yelllow pinhole spot and then gets a rust spot color (its not from spider mites).. And the fanleaves then start to get interveinal leaf clorosis that starts at the end of the leaf and progresses back toward the leaf stem. The leaves also begin to get too dark green, while the spots continue to get worse and more yellow. It has the appearance of a magnesium deficiency. (but my PPM is in Ok ranges, could it be my reverse osmosis water needs more magnesium than what the bottle ratios say to use)... It progresses until the fanleaves are yellow dry and hanging dead on the plants, but the rest of the plant is till really dark green. Its like the entire plant turns way too dark, but the fanleaves on the upper parts are dead and yellow.

Sounds like Manganese deficiency. It effects the top of the plant just as you described. Folier feed with something with manganese in it. Could also be a calcium def. as you said you use RO water and don't add calcium to the res.

My plants just start the budding phase when all this starts to happen. Eventually the plants fall over and cannot support themselves. i dont know if this is from resin production and the weight makes em fall over or if the plant is just dead and starting to fall over... They dont really take in water much and zero growth in size or potency after all this starts happening.

Again, seeing would help. Are the plants spindley? What lights are you using?

MY SUSPICIONS AND QUESTIONS= Ok, so here are the incidental things that you should know.

I notice in my res that I see what looks like big flakes of dandruff floating around in the water after I stir PH up or down in it to keep PH correct. Also, this stuff settles to the bottom of the res and when I drain them, it looks like cream colored flakes.

I am not familiar with the brand of nutes you use.. but with GH it's really important to #1 shake the bottles well, and #2 add them in the correct order, and #3 stir well after you add each nute. In GH the Micro goes in first, and has to be stirred well before you add the grow (N) as it will bond with N and make globs. Says it right on the label.

Could this be nutes combining? Also I get a build up on top of my lids because the water drips on the lid tops some which creates a build up on the lids that look like frozen coca cola. The buildup is kinda brown and washes off much easier than a salt build up. Are these dries nutes combining? Also, sometimes I get algae growing on tops of lids too.... So on lid tops i get the brown build up and algae. The water does kinda seep into the res from lid top holes..... Would these things on my lid tops getting in my water be the problem?

Could be - could also be your nutes... again - not seeing or personally being familiar with the brand of nutes you use.. I know I have heard that AN makes your roots browner in flower - but it's just the nutes staining it... not sure - I don't use them either. Algea forms where there's light and water with food for it to flourish. Another add to your res should be H202. Hydrogen peroxide. It acts as both a sterilizer and an oxygenator. I started having algea problems, started adding h202 to the res, and got that into check.. I add 5ml every 3-4 days if I remember to.

And I notice that roots grow out the end of the fenceposts and down into the res.
The roots are nice and white when I first put em in flower but they do turn a cream color and progress to about like yoo hoo chocolate milk color by end of harvest. I have also noticed a bit of algae growing on the roots themsleves where they come out and dangle down in the res. the root portions that do touch the res water dont seem to get as brown.

Everything I read makes me think this is a lack or overdose of certain nutes. BUt my PPM is around 1500 to 1700. I ever tried em up at 2200 like the magazine instructed.

Raising or lowering the nutes doesnt seem to help.

Questions= what is the brown build up on lid tops and will it hurt my plants if it gets back into the res? What will the algae do if it gets back in the res? What is the dandruff like flakes floating in the water? And lastly, the book said 2200 ppm but manufacturer bottle ration instructions seem to run around 800 ppm when mixed according to directions. Is there a difference in the PPM between a chemical nutrient and an organic one? I mean if you run 2200 PPM with organic, should you run 2200 with chemical nutrients. Are they the same "strength"?

Algae doesn't hurt your plant at all.. just eats their food. What's organic hydro? Doesn't make sence to me from what I know about organic farming. Not to say it's not... just my thought process puts "organic" nutes as crushed up egg shells, bat shit, kelp, blood and bone meal, lime, worm castings... fish heads even... but in a bottle.. that still sounds like chemical nutes to me.

Thanks in advance and sorry to be so long winded but with no pics to show I wanted to give as much info as possible
Take some pics, I'll try to see if I can actually help you, or just kinda spit out the generic responses like I just did.

Get cal mag though for sure.
 

Alpha492

Active Member
Also nutes will likely not combine for complicated reason if you don't want to know stop reading here;


The roots of most plants absorb nutrients through ion exchange. I don't remember the specifics but the roots eject positively charged ions in order to break the bond soil and water to have to the plant nutes which are also (for the most part) positively charged. The displaced nutrient ions which are no longer conjugated (bonded in a weird way) to soil or water are then available for absorption by the plant.

For obvious reasons positively charged nutrient ions conjugated by oxide in your water supply will not combine with other positively charged nutrients.


This is all off the top of my head and may contain some significant inaccuracies.
 

cowell

Well-Known Member
View attachment 1886320says "SHAKE WELL BEFORE MIXING. (in capital letters on the bottle too) Always add floramicro to fresh water first and stir well, then add FloraGro and/or FloraBloom. Never combine FloraMicro with FloraGrow or FloraBloom in undiluted form; doing so may cause nutrient lockout making some minerals unavailable."

Upon further research.. and doing it just to see what happens.. they will make a solid. Not usable to your plants.
 

Alpha492

Active Member
View attachment 1886320says "SHAKE WELL BEFORE MIXING. (in capital letters on the bottle too) Always add floramicro to fresh water first and stir well, then add FloraGro and/or FloraBloom. Never combine FloraMicro with FloraGrow or FloraBloom in undiluted form; doing so may cause nutrient lockout making some minerals unavailable."

Upon further research.. and doing it just to see what happens.. they will make a solid. Not usable to your plants.
Never once thought of combining nutrients outside of a water solution, that seems to make sense though lol.
 

cowell

Well-Known Member
I have heard of stranger things happening - if you have a graduated cylinder to measure nutes.. why wouldn't it be perfectly acceptable to add all liquid together before adding it to the water? You and I don't think like that.. but it has happened to a few people I know personally (which is funny as hell if you knew them - they knew everything.. and I couldn't tell them a fucking thing - was awesome when they would "figure out" what you had been telling them for months... )
If you cook - you can add all your wet ingredients together in one measuring cup before adding it to the dry. Not everyone knows NOT to do that with nutes.
It seems common sence, I agree, but not everyone thinks of it in terms of nutes are different than milk and water - just as an example. And without pics.. I am just as lost as he is as to the root problem...
But even if you don't stir the micro before adding the others will cause problems too.. most people do it right - without thinking about it... but you never know. :)


Also as you said.. it could very well be ph causing lockout. He did say he uses ph up and down.. sounds like he fucks with it too much. I have never even bought ph up. If I drop it too low, I add more water until I get it back into range and then add the right amount of nutes for the additional water. I use a syringe with my ph down though (phosphoric acid) so I'm pretty careful not to lower it too much. I see alot of problems out here caused by over zealous new gardeners who love their plants to death.
It's a weed. I find them incredibly hard to kill when you leave them alone with their water and light.
 

Alpha492

Active Member
lol I think we've all got "that friend".

I bought a quart of pH up when I first started a year and a half ago, and its still sitting in a cupboard somewhere lol. Every now and then it gets some use when I'm trying new pH down solutions and they end up way more powerful then I expected.
 

Alpha492

Active Member
Not trying to argue BTW.. just know they will combine.
I believe it for sure. I was trying to give the guy a very rough idea of why nutrients combining definitely was not his problem.
I hadn't considered the previous point though, definitely a legitimate point.
 

cowell

Well-Known Member
It's all good man.. we're both trying to accomplish the same thing.. help the guy out blind.

And yes... I don't think that's the problem either. Just another thing he should check on is all.
 

Endur0xX

Well-Known Member
you say you tried 5-6 time to bring plants to harvest and never succeeded!! I would have given up! +rep for you if I can find how to give it! Why don't you try soil until you can actually smoke some of your own and then start with hydro side by side with soil... I am using a kind of supersoil now, only water and the odd compost tea, I am loving it, and the plants even more, it's so easy! Sorry it's all I can do to help.
 
Ok, sorry. I forgot to mention that I do always mix my micro first into the water, then stir like crazy, then I add my veg & stir, then my bloom and stir. I mentioned the nutrient lock up because I am seeing stuff floating in my res that looks like big giant dandruff flakes, and it settles to the bottom of res & also I get a brown build up on res lids. I read in Jorges bible that if your ph drops too low it can "flocculate" and certain nutes will combine. I have had ok success with soil before, but its a logistical problem this time. i have moved and now have to lug everything up & down stairs. I am starting to wonder if this could be a disease or fungus. I used the PH perfect brand of nutes thinking it would cure a ph flux problem since that brand is SUPPOSED to work in any ph range, but it didn't help at all.

I use micro in my R.O. water, shouldnt this be giving me enough cal/mag? Or should I add more micro or get a bottle of calmag only?

And I appreciate your guys help more than you know, and thanks for the reps on how many times I have tried and not given up yet. The reason for my determination is that I am trying to help other people who are ill and can benefit greatly from my efforts if i can ever get it right
 

cowell

Well-Known Member
New grows will face different problems to figure out. Time and experience will help you narrow things down by yourself and faster. I am in a new set up and the water here sucks.. can't afford RO yet, and ain't lugging bottles from the store.

Yes.. if you are using RO add the extra cal mag.. you'll see the difference. Try it once - it's $15 a bottle.. if you don't find it works.. don't buy it again.. (you will though).
Don't add more micro.. you don't need the extra nutes.. just the lacking calcium and magnesium that is removed from the water... I used to have well water - and didn't have to add it, I did anyway and it made a difference.

I grow for 3 patients right now. I know how important their meds are... I'll help all I can - just PM me.
 
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