Hydroponics

last night I stuffed up my water and to raise the ph I added my piss, I know its high in nitrogen although I don't really think it was good my overall ph ended up at 5.5 and plants look fine. . .

Im using a deep water cultivation method. Its my first time so ive made my own design.
I ordered plastic 5l paint buckets and 20l buckets.

My air pump is working inside 2 of the 5l plants and im not sure if one should have the bubbles going strong or on weak. . . my bubbles are befinitely prominent although I just feel I want the bubbles going beserk its really a mystery to me how much bubbles should be going through the water . . . anyway thats the bubbles.

Note : Hydroponics is the way forward. . . love the bubbles!

Definitely epson salts is excellent for a nut burn . . . almost instantaneous!

wasup people im settin up a dwc/drip feed system in my attic and when its ready im puttin in 4 clones from my healthy azura mother, im using 4 inch rockwool cubes in place above a 20 gallon reservoir and im not sure how i should time the drip feed to avoid overwatering or underwatering, i read about the guy who did 1 minute on 1 hour off but that was aeroponics. I will be using a 10 inch by 12 inch airstone and what im unsure of is if that will affect the water going through the top feed pump. does anyone have a failsafe time schedule for top feeding rockwool?

i bought a hannagro ph/ec meter and ph up and down to keep the nutrient in check and im hoping the 2 heaters and thermostat i have will be sufficient enough to bring temps from sub 40 to 70. I have a 1 gallon humidifier and i'll use sandwich bags over the clones for extra humidity.

another thing i need to know is how long should i wait to put my nutrients in and whats a good ec or ppm to start at and what should i build up too?

oh ya and ill be using 1 85 watt 5500k cfl so how high should that be above the clones, i read 6 inches for fluorescents but im thinkin i should go with 8.

Attic Champ said:

wasup people im settin up a dwc/drip feed system in my attic and when its ready im puttin in 4 clones from my healthy azura mother, im using 4 inch rockwool cubes in place above a 20 gallon reservoir and im not sure how i should time the drip feed to avoid overwatering or underwatering, i read about the guy who did 1 minute on 1 hour off but that was aeroponics.

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Uhh.... hmmm maybe once every three days or so for about a minute. I am totally confused, rockwool is the most absorbant of all of the mediums and you are going to top water a 4" rockwool block with a drip system?? Is there going to be ny other medium in this system?

I will be using a 10 inch by 12 inch airstone and what im unsure of is if that will affect the water going through the top feed pump.

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No it will not have any negative effect, we would hope it would mean more oxygen to the root zone, thats the purpose of the air stone.

does anyone have a failsafe time schedule for top feeding rockwool?

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Yep, don't water it until the whole block is almost dry. Use some Hydroton below the block are let the roots grow down into that, water it from the bottom. While your at it, put some around the side and don't top water the block as soon as the roots grow out of it and into the hyrdoton, now water it about 5 times a day. But not the block of rockwool?

i bought a hannagro ph/ec meter and ph up and down to keep the nutrient in check and im hoping the 2 heaters and thermostat i have will be sufficient enough to bring temps from sub 40 to 70. I have a 1 gallon humidifier and i'll use sandwich bags over the clones for extra humidity.

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What kind of a space, where in the world is this? you have temps in the fortys and you want to raise it by using 2 heaters? In an attic? Has anyone suggested you insultate the space first, if you did you should not need 2 heaters.

another thing i need to know is how long should i wait to put my nutrients in and whats a good ec or ppm to start at and what should i build up too?

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I normally introduce a 1/4 strength nutes solution when I see roots, 300to400ppm, the top, around 1400 to 1500ppm.

oh ya and ill be using 1 85 watt 5500k cfl so how high should that be above the clones, i read 6 inches for fluorescents but im thinkin i should go with 8.

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There is the problem, that isn't enough light for 4 plants. GArden Knowm has posted a thread on the proximaty of cfl's to the foilage, not 6" or 8". maybe 2" at the most. You are not going to be able to have one light over 4 plants within 2" of the plants and get any kind of yield. VV

has anybody ever tried an autoflower strain like early wonder skunk in an aero setup?

aluminutty said:

has anybody ever tried an autoflower strain like early wonder skunk in an aero setup?

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We hqave a SUbforum on AeroGarden, you may want to start there. VV

Whats the difference between a Bubbler, Aeroponics and a DWC bucket? Which is the best/fastest?

i've got a question about a growing style. I was originally gonna do a SoG in a 2'x2'x48" grow space, DWC. Using something like, 16 plants, 4 in every square foot. But now i'm thinking of doing LST+super cropping. Like, grow the plant up a little, then super crop at the bottom, bend the plant over with the super cropping, then guide it along keeping it perpendicular to the ground. Still using the same 2'x'2 grow space, but grow 4 plants. alternating sides -> " i!i! " <-. Get clones that are 8-10", throw them into flowering which at 2-3x's normal size, I could continue to grow the plants horizantal until it reaches the end of the grow space, then let it go vertical.


any opinions on this verse just growing a crap ton of little plants? I think this is some sort of SCROG/SOG combo thing...or something. If not, i really just need to know if this will even work effectivly. I'm thinking of of even doing something similiar in an aerogarden for a friend, growing two plants like this, one on each row.

heres some pics so far of what i plan to do. I super cropped these two plants (assuming i did it right).

HappelWood, you would be better off using a screen, for a SCReen Of Green. Fix a screen of 2-inch chicken wire about 10 inches over the medium, and when the plants reach it train them outward by looping over/under the screen. Only 4 plants, and all it takes is a little longer veg time.

HTH

like anna nicole............ its soill babi.....

VictorVIcious said:

Uhh.... hmmm maybe once every three days or so for about a minute. I am totally confused, rockwool is the most absorbant of all of the mediums and you are going to top water a 4" rockwool block with a drip system?? Is there going to be ny other medium in this system?

Yep, don't water it until the whole block is almost dry. Use some Hydroton below the block are let the roots grow down into that, water it from the bottom. While your at it, put some around the side and don't top water the block as soon as the roots grow out of it and into the hyrdoton, now water it about 5 times a day. But not the block of rockwool?

What kind of a space, where in the world is this? you have temps in the fortys and you want to raise it by using 2 heaters? In an attic? Has anyone suggested you insultate the space first, if you did you should not need 2 heaters.

There is the problem, that isn't enough light for 4 plants. GArden Knowm has posted a thread on the proximaty of cfl's to the foilage, not 6" or 8". maybe 2" at the most. You are not going to be able to have one light over 4 plants within 2" of the plants and get any kind of yield. VV

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well since these are clones shouldnt i start out with less intense light then lower it when theyre rooted or will they root faster with the light 2 inches away because I read in the medical marijuana horticulture book that clones should start with fluorescents at 6 inches. I am only using the rockwool and i dont think i should let it dry out too much while they are rooting so i guess ill just get the timing of it by trial and error with less emphasis on the error. My attic setup does have a well insulated 36 square foot room but i underestimated how efficient it was until i read the thermometer to be 60 when it was 38 outside so i will probably only need 1 heater.

Attic Champ said:

well since these are clones shouldnt i start out with less intense light then lower it when theyre rooted or will they root faster with the light 2 inches away because I read in the medical marijuana horticulture book that clones should start with fluorescents at 6 inches.

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I haven't read that book, I have read Garden Knowms and he posted a thread in this forum about it. I put my t-5' right at the top of the clones, did the same with t-12's and t-8's. I haven't used the cfl's so I would reley on others for advice about the cfl's.

Attic Champ said:

I am only using the rockwool and i dont think i should let it dry out too much while they are rooting so i guess ill just get the timing of it by trial and error with less emphasis on the error.

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Rockwool retains water longer than any other growing medium and yes you do learn the rockwool by trial and error, trial and success, with the emphasize on the success. You get a 'feel' for how much water is just enough. See what you want to have happen is for the roots to grow, they have to if they need to, to get water. If you keep water around the mainstem constantly they don't have to grow down looking for water, its always right there, it can stunt their growth. In addition your roots need oxygen and they get that when the medium dries out, gets watered and drains, pulling air to the void left. I had a problem in my room lately. I discovered I was water too deep, I use flood and drain, the water was getting to the rockwool block and I stunted my plants growth. You can do what you want to.

Attic Champ said:

My attic setup does have a well insulated 36 square foot room but i underestimated how efficient it was until i read the thermometer to be 60 when it was 38 outside so i will probably only need 1 heater.

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That makes me feel a lot better, raising it 10 to 15 degrees shouldn't be too bad. VV

does anybody know exactly how much oxygen your roots need if they are suspended in the nutrient solution? answers in mg/L would be most helpful

huntington said:

does anybody know exactly how much oxygen your roots need if they are suspended in the nutrient solution? answers in mg/L would be most helpful

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Why? do you have a meter that will test your solution and give you the mg/liter?
One of the most important thing you can do is control your res temps, the water will hold about twice as much oxygen at 65degrees than it will hold at 70 degrees. Temps above that can be detrimental. VV

really really? i read once that 72 degrees was the best temp, and so i worry when my atmosphere temp gauge gets into the low 60s. But it's the opposite, i should be happy when my temps get into the low 60s?

i don't have a water temp guage, maybe round 2 i will get one, but i'm still doing my first grow ever.

From what i know you need the roots to be exposed to 5mg/L
and yeah i got a DO test kit because i am having root problems
i know the problem is that my resevoir is nearly 80 degrees so DO is hard to sustain
is there a better way to cool the resevoir then cooling the whole room down

this is a picture of the roots and plant from temp res problem

HappelWood said:

really really? i read once that 72 degrees was the best temp, and so i worry when my atmosphere temp gauge gets into the low 60s. But it's the opposite, i should be happy when my temps get into the low 60s?

i don't have a water temp guage, maybe round 2 i will get one, but i'm still doing my first grow ever.

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there is a temp that is too low too, and I loaned out the book that has that information in it. If anyone knows the temp at which it gets too low please help.
For a water temperature gauge, I bought a dialstem thermometer at Meijer for like $5.00 in the cooking section. VV

huntington said:

From what i know you need the roots to be exposed to 5mg/L
and yeah i got a DO test kit because i am having root problems
i know the problem is that my resevoir is nearly 80 degrees so DO is hard to sustain
is there a better way to cool the resevoir then cooling the whole room down

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Yes there is, freeze some 2 liter bottles of water, drop your res level and put them in it, Have 2 times the number you need and rotate them into and out of you freezer and res. CHillers run around $400.00.
And from the look of that plant you do have serius issues as FIlthy Fletch would say, matter of fact you might want to ask him to take a look at these pictures, I would consider him an aero expert, he has a thread for building them in 30 minutes. VV

here's some pics of an op i am working on right now. just posting it to address any questions, comments, or concerns any other growers may have feel free for constructive criticism