Hydroponics? (Full Version)

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DarkSteven -> Hydroponics? (12/6/2009 10:06:03 AM)

I have three Aerogrow units and am about to begin hydroponics in a big way.  Think of vegetable gardening indoors during the winter.

Does anyone here have any experience with hydroponics?

I'm trying to learn as much as I can ASAP.




Musicmystery -> RE: Hydroponics? (12/6/2009 10:20:19 AM)

I'm no help, but I'm also interested.

I grow orange and grapefruit indoors (though not hydroponic), and have outdoor greenhouses (but not heated), which I restrict to cold weather crops (broccoli, peas, lettuce, spinach). I'm also thinking of starting veggies indoors--so far I've only sprouted them to transplant outside.





DesFIP -> RE: Hydroponics? (12/6/2009 10:56:00 AM)

Have you tried gardenweb.com? They have forums devoted to every sort of gardening, and I'm sure one for this.




Hierodule -> RE: Hydroponics? (12/6/2009 11:19:44 AM)

Watch room humidity and temperature. A dehumidifier and/or some kind of exhaust fan is crucial. Mold thrives in an indoor garden. Lights generate a lot of heat so make sure the room is temp controlled. Spider mites will also come and bite you in the ass.If you see any of those white fuzzy bastards, spray leaves with a solution of  warm soapy water, wipe them clean, repeat twice weekly. 




DomImus -> RE: Hydroponics? (12/6/2009 11:20:51 AM)

About twenty five years ago I tended to a friend's hydroponically grown marijuana plant while he was away for a few days. It eventually died but I was rooting for it.




sub4hire -> RE: Hydroponics? (12/6/2009 1:12:44 PM)

We've got a pretty large greenhouse within a 50 mile drive of where we live.  They grow tomatoes with hydroponics.  It is quite an impressive set up.

Think of the same with a greenhouse.  Fans moving the air around.  Also add the right amount of fertilizer to the water...enough light..etc.




LaTigresse -> RE: Hydroponics? (12/6/2009 5:03:27 PM)

http://www.hydroponics.net/learn/

a lot of good information here




Termyn8or -> RE: Hydroponics? (12/6/2009 9:15:26 PM)

I helped setup a grow room years ago. It would've cost about five grand but it was stealthed.

However I know this, lights are important and will be a healthy part of the budget. You also need timers to turn them on and off. The system we used was an ebb/flow type which realistically, to find the best equipment, even if it is not your goal, look into growing pot indoors. Note that in certain parts of the country you will need AC even in the winter. With this system there were pumps, and some of them simply aerated the water, they were also timed. 

If indoors you must think about density. There is a limit on how many plants you can grow per square foot. When you approach the limit, strings, ropes and hooks on the walls and cieling come in handy to tie the branches up to keep one plant from shadowing another from the light.

When we got the light setup installed, it was a dandy. Dude probably had a grand at least in just that, but before the rest of the stuff went in, I had them running and actually took my shirt off. These are very close to sunlight, and it felt just like sunlight on my skin.

If you are totally isolated from outdoor light you can trick the plants into faster growth as well. You can set the system up to run on a 20 or 18 hour cycle instead of 24. This requires special equipment or alot of tending.

We didn't use this technique, but there is a cheap way other than that. Just get PVC pipe and use the T fittings for the plants. Pump the enriched water through the dirt in the pipes to feed the plants. It works great, but the drawback is that by the time you are done growing the roots are pretty much pervasive in the pipes and you just throw them away and start again. Luckily the pipe is cheap enough.

No matter how you slice it, this will take some utilities, and that will make them think you are growing pot. But that's not the point, the point is that it costs money, so try to grow enough of whatever to offset those costs, unless you are rich.

Actually I think the best produce is grown in my backyard, the soil is black as coal. At one point the grass didn't even get mowed for seven years. You will never get the seventy essential minerals into the food with hydroponics. But you can probably do quite a bit better than hothouse tomatoes, which I think are about devoid of flavor.

Good luck with it.

T




housesub4you -> RE: Hydroponics? (12/6/2009 9:17:54 PM)

No help but if you watch the news it seems the police are bery interested in those who use Hydroponics, I see them all the time showing off what they found




ThatDamnedPanda -> RE: Hydroponics? (12/6/2009 10:39:27 PM)

quote:

ORIGINAL: DarkSteven

I have three Aerogrow units and am about to begin hydroponics in a big way.  Think of vegetable gardening indoors during the winter.

Does anyone here have any experience with hydroponics?

I'm trying to learn as much as I can ASAP.



Not to get all pedantic on you, but that's going to be aeroponics, not hydroponics. It'll be an important distinction when you're asking for advice - something you'll probably do a lot of the first few weeks and months. I've done a lot of growing with hydroponics, but have no direct experience with aeroponics.

However, there are a few things I can suggest. In addition to  heartily endorsing the recommendation to stomp down hard on spider mites the instant they show up, there are a couple of things I will tell you for sure - you can never over-aerate your nutrient solution, and invest in a high-quality pH meter. Don't rely on the chemical test kits for the pH; they take too long and are too unreliable. You want a probe you can just stick into the solution, and it reads off the exact pH down to 1 decimal place. As for the oxygenation, one of the first things you'll probably want to do is engineer the units to accept supplementary aeration systems - it's pretty simple; you just buy a 20 dollar aquarium airpump, drill holes in the reservoirs, run airhoses through the holes, and put the largest airstone that'll fit into the res. Bubbly water is healthy water.

You live in Denver, right? Find a local hydro shop and make friends with the employees. Every major city has at least one or two. Tell them what you're growing, and they'll tell you exactly what you need in terms of nutes and equipment. If they try to sell you something you're not sure you need, don't be shy about telling them you want to think about it for a day or two  - and then do some research online to make sure you really need it. A lot of hydro shops will try to oversell pricy gear; it'll eat your wallet alive if you don't practice due diligence to see whether it's really something you need.

And, last but not least - spend some time perusing this forum. It may not be the crop you're planning to grow, but a lot of the technical information is directly transferable, and you'll get tons of ideas on mods you can make to maximize the efficiency of your equipment.




Mercnbeth -> RE: Hydroponics? (12/8/2009 8:02:08 AM)

quote:

ORIGINAL: ThatDamnedPanda

quote:

ORIGINAL: DarkSteven

I have three Aerogrow units and am about to begin hydroponics in a big way.  Think of vegetable gardening indoors during the winter.

Does anyone here have any experience with hydroponics?

I'm trying to learn as much as I can ASAP.



Not to get all pedantic on you, but that's going to be aeroponics, not hydroponics. It'll be an important distinction when you're asking for advice - something you'll probably do a lot of the first few weeks and months. I've done a lot of growing with hydroponics, but have no direct experience with aeroponics.

However, there are a few things I can suggest. In addition to  heartily endorsing the recommendation to stomp down hard on spider mites the instant they show up, there are a couple of things I will tell you for sure - you can never over-aerate your nutrient solution, and invest in a high-quality pH meter. Don't rely on the chemical test kits for the pH; they take too long and are too unreliable. You want a probe you can just stick into the solution, and it reads off the exact pH down to 1 decimal place. As for the oxygenation, one of the first things you'll probably want to do is engineer the units to accept supplementary aeration systems - it's pretty simple; you just buy a 20 dollar aquarium airpump, drill holes in the reservoirs, run airhoses through the holes, and put the largest airstone that'll fit into the res. Bubbly water is healthy water.

You live in Denver, right? Find a local hydro shop and make friends with the employees. Every major city has at least one or two. Tell them what you're growing, and they'll tell you exactly what you need in terms of nutes and equipment. If they try to sell you something you're not sure you need, don't be shy about telling them you want to think about it for a day or two  - and then do some research online to make sure you really need it. A lot of hydro shops will try to oversell pricy gear; it'll eat your wallet alive if you don't practice due diligence to see whether it's really something you need.

And, last but not least - spend some time perusing this forum. It may not be the crop you're planning to grow, but a lot of the technical information is directly transferable, and you'll get tons of ideas on mods you can make to maximize the efficiency of your equipment.



Fantastic advice, Panda.
 
DarkSteven,
 
this slave doesn't have any direct experience with aeroponics---she prefers soil and the sun---but the friends that do are fastidious about cleanliness and educating themselves about the specific threats and diseases particular to the plants they are growing.  they say they like the control they have over the environment and the ability to push the growing season outside it's natural limitations.  their energy/equipment bills are expensive, but they say it is worth the effort when it comes to the finished product.
 
this slave seconds Panda's advice about making friends with your local hydro/aero supplier and best wishes on your garden![:)]




Llyren -> RE: Hydroponics? (12/8/2009 3:15:13 PM)

Think Geek sells those as well. The ones I've seen on Amazon appear to pretty self-contained and simple.  I've wanted to get one, so please let us know how they work for you.  I have issues with the cats either devouring my plants, or using them as nap cushions.  I ended up sticking pointy sticks in my spider plant just to keep it alive.  I should take a picture and share.




DarkSteven -> RE: Hydroponics? (12/8/2009 5:29:16 PM)

Yep, Panda, I know that they're aeroponic units.  Although I've read some stuff on hydroponics that indicates that aeroponics is considered a subset of hydro.

There is a place maybe eight miles away that is great - they have all kinds of hydroponics units and will design a system if I buy the stuff from them.  I'm going to start with a tray system and may upgrade to an ebb and flow later.




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