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diy aero systym made with sewer tubes question

brutus3

Member
Looks good bundy&coke! U think it works better with the sprayers on top? That's a nice setup. I already know I'm gonna redo mine. For the couple hundred I spent to make it, it's doin alright. Here's some pics..... 002.jpg 12 days in the tubes, 600hps

View attachment 102195

005.jpg Bc ice, currently in dirt. 39 days of flowering.

007.jpg can max 75 combo scrubber taking care of business!
 

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Aerohead

space gardener
Veteran
Lookin awesome Brutus,
Nice root structure, do you have a pre filter on that water pump in the res? You are going to have that thing full of roots soon.
 

brutus3

Member
Lookin awesome Brutus,
Nice root structure, do you have a pre filter on that water pump in the res? You are going to have that thing full of roots soon.
Yeah. The pump originally didn't come with a pre-filter, but I snagged one off of another pump I had. Iv'e been having to clean that filter every day.
 

brutus3

Member
Week 3 today. So far all is good. One didn't make it. It might have, but I know what I did wrong and learned to not bunch up the roots in a net cup when transplanting! So far this is looking good and I just might switch over to water after being a big soil guy! BC Ice, 3wks in water... First run/attempt, other than my homemade cloner, not too bad! . 001.jpg

002.jpg Next setup will be with 3 6" tubes, 4ft 12 plants total,1250gph pump under a 1k hps. Res will be outside room,(I'll drill holes) hope that will keep down res temp. Already thinking about a chiller though. Is a chiller pretty much a "must have"? Res temp now hasn't went over 70. I'm just thinking summer!? :headbange
 

brutus3

Member
Hey fellas, I could use a little advice. Tried to google and searched on here, but no luck on finding the basic necessities on going hydro. As I said earlier, this is my first run with aero. I didn't wanna start dumping a bunch of money on materials if I wasn't impressed with the results. Not doing to bad right now. 001.jpg This is going on week 5 come tuesday. This is normally about a 50 day strain that averages 1.5oz per plant. Was hoping for more in the tubes. They are nice and green, but I personally think they could be a little bigger. Iv'e had this strain for over a year now. Iv'e been keeping the nutes on the mild mix. Recently Iv'e been adding a little more,checking them every day and adding a little more. Not being too expirience with water, I don't wanna kill them! Ph is around 5-5.5 judging by paper test strips.Tomarrow I am going to the store and getting a ppm/tds/ph meter so I know right where I'm at, and go from there. Iv'e already decided to let them go at least 8 wks with 1 wk of running straight water to flush. Is there any other things or must haves that would be reccomended I pick up? Iv'e seen some youtube vids and hear alot about cal mag, I think it was?? I'll ask a few questions at the store too, but of course like to be discreeet and not ask too much! Any suggestions will be greatly appreciated!
 

brutus3

Member
Anyone have a same strain in dirt and a aero setup?? Here's my deal. Iv'e always been a die hard soil guy! My buddy swore by aero. So I decided to test it out. But only part of my flower room. So I have bc ice. Iv'e had it for about a year and a half now. Like everyone, I want bigger yields! One room split into 2. One part with a 1000w hps (20sq ft) and the other part with a 600hps (15 sq ft) I was hoping, and thought the plants in the aero setup, under the 600 would at least match the yield of the ones under the 1000. It's not happening and I'm wondering why. I took the ppm's in res up to 1200 at wk 5 and they were looking great! Now in week 6, changed res with plain water, flushing till 50 days. Buds are small like popcorn. I'd post this in the infirmary if I thought is was that. But they look healthy. Just no big BUDS!! What could have possibaly went wrong? Do some strains just not do good in a water setup? I have tried dwc buckets as well with not much success. My homemade cloner is the only thing that has worked great, and that is pretty much dwc. I don't get it! About ready to quit and stick to dirt. I just hate carrying in bags and hauling it back out to dispose. Was hoping this aero was gonna work and then I was wanting to switch over completely. Any ideas on why my setup failed so far? bigger pump? 570 right now. Res has a 66 watt air pump that makes the 20-25 gals in it (makes it look like it's boiling!!) More, and better sprayers? Don't think it could be nutrient lock, cus these girls can handle it!I also never mixed chems together. Always in running water to avoid that. And I gradually went from 600-1200 ppm's over 3 wks. They could have handled more, but I took it fairly easy on them, cus I didn't wanna overfeed. Any help,thoughts,ideas, or comments, good or bad, please let me know! I'll give it another go. Here's some pics at 42 days, (50 day strain). And cloner. PPM'S in cloner is about 450. Ph is always kept at 5.6-6.3 001.jpg

002.jpg

003.jpg :tiphat:
 

brutus3

Member
Just took these down 001.jpg 50 days! As u see there is not much and I'm pretty sure I just found out why. I'm no expert on aeroponics, but I do have common sense. My buddy said he knows what he is doin when it comes to growing in water. What do u guys think? 4"tubes, check out the setup in the earlier pics. Here is my theory...... They grew good at first when they were smaller, but when they got bigger, they were suffocated. Not enough holes drilled in inner tubes to spray which led to less bubbles, making less air.16 holes in one and 17 in the other. When I asked him how many he drilled, he said a shit load. Does 16 and 17 sound like a shitload to everyone else?? Cus it sure dont to me!! 003.jpg 17 holes like these, in a 4 ft tube with 3 plants!??? I say not enough! 002.jpg Roots look brown and stunk like ass crack or very bad breath! Hope the buds don't taste like that! I think there should of been way more holes and maybe a bigger pump than the 570 i had but I still think the main prob was not enough holes, leading to less air. What do u guys think? Please respond. I was gonna go back to dirt but am reconsidering now because I think it can be done better and work like it should have if it were done right!
 

Aerohead

space gardener
Veteran
Hey Brutus, bummer about the roots bro, I was shoping this would work out better for you.

I don't believe it's a fault in your aero system, more of a fault with the water. You managed the nutes well as far as ppm's go but at some point you got root rot (Phytophthora). This is very common and is the bain of hydroponics. Impossible for me to tell exactly what caused this but it's most commonly from lack of dissolved oxygen in the water caused by heat.

From your pictures earlier in the thread, it looks like you have enough aeration in the water so my guess would be the water temps were too high for this aeration to overcome.

First, you need to keep the water in the res below 70F and check your roots often. Root rot can happen even with adequate aeration and perfect water temps so some folks like to add products to the water to keep the res sterile.

H2o2, bleach, or various other products like SM-90 can all help to keep this from happening. Personally, I use clorox laundry bleach at 10 drops per gallon every 4-5 days.
 

brutus3

Member
Hey Brutus, bummer about the roots bro, I was shoping this would work out better for you.

I don't believe it's a fault in your aero system, more of a fault with the water. You managed the nutes well as far as ppm's go but at some point you got root rot (Phytophthora). This is very common and is the bain of hydroponics. Impossible for me to tell exactly what caused this but it's most commonly from lack of dissolved oxygen in the water caused by heat.

From your pictures earlier in the thread, it looks like you have enough aeration in the water so my guess would be the water temps were too high for this aeration to overcome.

First, you need to keep the water in the res below 70F and check your roots often. Root rot can happen even with adequate aeration and perfect water temps so some folks like to add products to the water to keep the res sterile.

H2o2, bleach, or various other products like SM-90 can all help to keep this from happening. Personally, I use clorox laundry bleach at 10 drops per gallon every 4-5 days.
Temps were always under 70. It cold here and setup is in a basement. I used about 1/4 cup of peroxide everytime I topped off the water. Bout once a week. I did notice a little root rot and that smell only when I dumped out the pea gravel. A little rot was more noticeable in the net pot. Pea gravel maybe? I have hydroton now. What else could be done? There were parts of the roots that were white and looked great. I was thinking alack of oxygen thing. Which is why I thought it needed more sprayers. I'm stumped! I'm ready to transplant next ones in flower room but dont know what to put em in. Dirt or the tubes again. F**k!!
 

Aerohead

space gardener
Veteran
I like sprayers better than just holes drilled in a tube but they still get the job done. When I used PVC with holes drilled in them, I used to cut up a piece of 2" pvc pipe into arches and fix them under the sprayer. This gives them a curved surface to hit that's above water, creates alot more spray droplets...

What strength peroxide were you using? 1/4 cup might have been on the light side.. Try the bleach, it works much better for me than peroxide...
 

brutus3

Member
I like sprayers better than just holes drilled in a tube but they still get the job done. When I used PVC with holes drilled in them, I used to cut up a piece of 2" pvc pipe into arches and fix them under the sprayer. This gives them a curved surface to hit that's above water, creates alot more spray droplets...

What strength peroxide were you using? 1/4 cup might have been on the light side.. Try the bleach, it works much better for me than peroxide...
Says 3% on peroxide. I was thinking about drilling a bunch more holes to hit the water and make pretty much all the water in tube bubble to create more oxygen and def use the hydroton, which I know is better for oxygen compared to pea gravel. Can root rot start from the stem in the net?
 

Aerohead

space gardener
Veteran
Yes rot can start from the stem, the hydroton is much better than gravel for aeration. 3% peroxide is much too weak, this is the problem. I was using 33% with about double the dose you were using.

The 3% from the store doesn't work for hydro very well, you need food grade 29% or better but it's expensive in the long run because it needs to be added every 3 days.

This is why I use bleach, a $2 gallon lasts me a year and that includes clean up in between cycles. Make sure you clean that rig really well before next run or the Phytophthora will come back right away..

Drilling more holes reduces water pressure for the spray jets and I don't think it will solve the problem. The more you can get the water to atomize the better with aero, a single jet is all that is needed for each plant. Your rig with a single 1/8 hole per plant would work well if you create a convex surface for the water to hit down by the roots...
 

brutus3

Member
Yes rot can start from the stem, the hydroton is much better than gravel for aeration. 3% peroxide is much too weak, this is the problem. I was using 33% with about double the dose you were using.

The 3% from the store doesn't work for hydro very well, you need food grade 29% or better but it's expensive in the long run because it needs to be added every 3 days.

This is why I use bleach, a $2 gallon lasts me a year and that includes clean up in between cycles. Make sure you clean that rig really well before next run or the Phytophthora will come back right away..

Drilling more holes reduces water pressure for the spray jets and I don't think it will solve the problem. The more you can get the water to atomize the better with aero, a single jet is all that is needed for each plant. Your rig with a single 1/8 hole per plant would work well if you create a convex surface for the water to hit down by the roots...
WHat about putting some long air stones at the bottom of the tube? I have a really strong pump!Thanks for your help bro!
 

Baba Ku

Active member
Veteran
42896swc1.jpg


42896Photo_080408_001.JPG


42896Photo_080408_002.JPG


42896Photo_082908_003groovetoob1strun_2.JPG

*note the 4ft. air wand...
with no recirc, air is essential to this set-up. Also maintaining the correct temps in the res is crucial.
 

brutus3

Member
42896swc1.jpg


42896Photo_080408_001.JPG


42896Photo_080408_002.JPG


42896Photo_082908_003groovetoob1strun_2.JPG

*note the 4ft. air wand...
with no recirc, air is essential to this set-up. Also maintaining the correct temps in the res is crucial.
Never seen a setup like that. When u say no resirculation, do u mean same water in your tubes? I dont see a inlet or outlet other than the 2 openings on the side with the 2 blue caps. U must have a chiller?? So I'm racking my brains here! Googling my butt off. I have the 4ft air tube also. So far I have been playing and testing. Deciding whether that or more stronger air bubbles would work better. My geuss would be smaller more even air rather than heavier bigger bubbles. I did drill more holes as well inside the 4" tubes as well. I'm also thinking how high the water level should be. I see yours is lower like ntf.
 

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