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Old 08-20-2007, 09:34 AM   #21 (permalink)
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Default Re: Bananas and indoor grow lights

The temp thing is also interesting, I think that at lower temps, the lighting need not be as high. Warm it up a bit and the plants would be light starved. It is all a balancing act -


Yeah, I agree with that, the higher the temps the more lumen you need and
the faster they grow.
It is just as keith said all depends on what your goal is.

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Old 08-20-2007, 08:32 PM   #22 (permalink)
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Default Re: Bananas and indoor grow lights

Quote:
Originally Posted by kgbenson View Post
What is the wattage on that halide?

With that set-up you need to try hydroponics. It is loads of fun and the growth is amazing. Get a bucket system and drop a pup in there under that halid and stand back.

Keith

An old page on Hydroponic bananas: http://www.geocities.com/k2benson/Ba.../Hydroban.html

If I had the space I would use: http://www.genhydro.com/genhydro_US/megafarm.html and replace the airpump life with a small aquarium pump.

You could put one of the super small varieties in: http://www.genhydro.com/genhydro_US/waterfarm.html
But to me that defeats the purpose of seeing the tremendous growth. General Hydro used to make a system where a 3.5 gallon bucket nested ina 5 callon bucket. It was the precursor to the waterfarm. It was perfect for bananas as long as you didn't let the pups break through the sides . . .
It's not a halide, I know the black box throws people off, but that's a heavy duty outdoor timer. It is 125watt/6400k full spectrum Compact Florescent unit. I have thought about trying hydroponics, but everything that I grow does so well outside that I can't justify spending any more money for a new frontier. Besides I've already been given an ultimatum on indoor growing expenditures! lol. Thanks for all the links and tips, very informative. Brian
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Old 09-22-2007, 09:30 AM   #23 (permalink)
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Default Re: Bananas and indoor grow lights

Keith, I don't have the time to ready the information on all of those links right now, but I suspect I'll be working on Christmas 2008 pretty soon since my wife already says I've bought my own 2007 presents!
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Old 09-22-2007, 07:05 PM   #24 (permalink)
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Default Re: Bananas and indoor grow lights

I have a 1000w MH light in the basement on a 15' light rail with a mover on it. You can overwinter bananas well on that setup. I use a fan blowing there more for air movement than anything else since the heat dissapates into the rest of the basement. I do have a heat vent open down there to heat it, so it's as warm as the rest of the house.
I received small tc's in January and was able to grow them out to 4" pot size by March with this set up. I mainly use it to grow Victoria waterlilies.
I did have some issues with spider mites from time to time, but I was afraid to mist too much down there to keep the humidity up. I ended up spraying with soap and oil spray and it took care of them. Just don't let those spider mites get too far ahead of you.
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Old 09-25-2007, 08:30 PM   #25 (permalink)
 
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Default Re: Bananas and indoor grow lights

Hi All ,
I overwintered some naners last year with four 26 watt fluorescent twists ( I don't know what color ) in my breakfast nook . They didn't recieve a lot of light from the window but still grew well .
This year , I'm gonna grow them in my shop with a lot of the compact twists .
I found some bathroom vanities that held 6 bulbs each and are rated for 60 watt bulbs . I chose 30 watt because they are so much more economical in both cost and watt per lumen . I 'm mounting six of the vanities on the ceiling or just under it @ 8' .The ceiling is 9' .
I'm going to mount four more ( vanities)on uprights of 2x4's that I can move around and I'm going to wire a plug into each of them . Hopefully ,this will do the job . If I don't get enough growth , I'll add more lights .
I was going to mix full spectrum 5000k and 6500k only but I noticed that a lot of grow bulbs are in the 2500 range . So perhaps I should mix those in as well .( ? )

Pete

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Old 09-26-2007, 12:47 AM   #26 (permalink)
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Default Re: Bananas and indoor grow lights

To be able to grow large plants you need, as noted earlier by Kgbenson, a metal halide bulb. 400W is reccomended for 3-4 large plants, but offcourse this also works for more smaller plants. Metal halide is reccomended for the vegetative stage: iow. growing the green leaves.

HPS (High power Sodium) is great for flowers in the flowering stage, but has little effect on green bananas or plants in general, as I learned the hard way. Sure, my seedlings grew a little under these lights, but the plants got extremely leggy.

The experts say fluorescent lights are great because of their more or less complete spectrum. Because of their relatively small power and capacity, these lights are only reccomended for seedlings. I have still heard of special types, designed for larger plants but these are expensive! $$$
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Old 09-26-2007, 01:41 AM   #27 (permalink)
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Default Re: Bananas and indoor grow lights

I once read photosynthesis occurs at 5500 degrees kelvin.

I'm also into aquariums, check out this guys comparison of grow bulbs for his algae refugium.

http://www.melevsreef.com/fuge_bulb.html





5100 degrees is apparently much better than 2700.


Therefore, Pete, that 2500 bulb isn't a better choice than your mix of 5-6.5K

Shameless plug - if anyone reading this is into tanks also, why not join my aquarium forum at www.aquariumforum.com
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Old 09-26-2007, 01:54 AM   #28 (permalink)
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Default Re: Bananas and indoor grow lights

I'm thinking of going with the track and 1000w MH route to take care of over-wintering about 25 bananas and other plants in 5 gallon pots. Sandy, you said you have a 15' track but I only see an option for a 9' track from your source. I'm not quite understanding how these work and photos would be appreciated to explain how they go together. I didn't see additional extensions available, though a phone call might take care of that. I'm wondering how much track might be needed for that many plants. Sandy, how big of an area are you covering.

I'm wondering how much light can become a problem for my Ae Ae. What do folks think?

Thanks in advance.

P.S. Jarred, you're weird! Or you at least have weird friends growing algae like that!
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Old 09-26-2007, 02:09 AM   #29 (permalink)
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Default Re: Bananas and indoor grow lights

Heh...

I have a setup quite like it too



The idea is to force a certain kind of algae to grow rapidly in that container. The water in that container (refugium) is connected to the larger display tank. What happens is the algae in the 'fuge depletes the nutrients from the water column, and starves out any other algae from growing (or at least considerably slows it down) in the main tank.
It's very effective!
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Old 09-26-2007, 02:12 AM   #30 (permalink)
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Default Re: Bananas and indoor grow lights

I dont know why that tank isnt connected to his main tank, maybe because it was just for the experiment. A typical refugium looks like this:



This one ^ is clearly a part of the display tank above it. Water overflows from the main tank and drains down into it, and the pump pumps it back up.
Something very familiar to your hydro guys
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Old 09-26-2007, 05:02 AM   #31 (permalink)
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Default Re: Bananas and indoor grow lights

Interesting setup jarred, I have not seen that before, I have an aquarium but with alot of plants in it,
so i have no problems with algae either.

Ron
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Old 09-26-2007, 11:13 AM   #32 (permalink)
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Default Re: Bananas and indoor grow lights

Just to clarify, thats not my tank. That pic is from the page at melevsreef.com I linked to above.


Ron, are you dosing CO2 in your plant tank?
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Old 09-26-2007, 01:23 PM   #33 (permalink)
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Quote:
Originally Posted by MediaHound View Post
Just to clarify, thats not my tank. That pic is from the page at melevsreef.com I linked to above.


Ron, are you dosing CO2 in your plant tank?
no, i never used that nor chemicals for the water nor fertilizers for the
soil or plants. I only occasionally add some Iron to the water.

P.s i will upload some pics to the aquarium board.

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Old 09-26-2007, 04:19 PM   #34 (permalink)
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Default Re: Bananas and indoor grow lights

We bought two tracks and hooked them together. Will send pictures in a couple of days. Things are pretty hectic right now
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Old 09-27-2007, 01:27 AM   #35 (permalink)
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Quote:
Originally Posted by sandy0225 View Post
We bought two tracks and hooked them together. Will send pictures in a couple of days. Things are pretty hectic right now
Thanks, Sandy. Very hectic for me right now also. The only hurry is because of my fear of forgetting everything.
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Old 10-07-2007, 01:07 AM   #36 (permalink)
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Default Re: Bananas and indoor grow lights

I tentatively plan to buy a 1,000w MH light and a 9' light rail. Can anyone suggest a particular light and/or source?

I plan to light about an 8' x 12' area in my shop to overwinter many of my bananas (about 20 in pots) and a few other plants.

Thanks!

P.S. The largest of my 2 Ae Ae which spend most of the time indoors right now opened up a new leaf today. Made my day!
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Old 10-07-2007, 03:40 AM   #37 (permalink)
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Default Re: Bananas and indoor grow lights

Harvey, it is better to have 2 or 3 400 watt lamps than one 1000 watt in
my opinion. It covers a greater area.
Ofcourse this is when you want fast growth, just for overwintering and slow
growth I think you need much lesser wattage.
Also be aware, if you want to use a timer you need special relais to turn the lamps on/off. Not a
normal timer you use in the house wich can burn or stuck.
1000 watt is used by tomatoe growers here in Holland.

I am now trying low-energy lights in my basement. I have 4 bulbs wich
gives me a total of 400 watt, I can't use a normal timer with those either so
i have to look for a special relais to switch them on. Still working on it.
Ofcourse those are not grow-lights but I will see what happens this winter,
it is just an experiment.


Ron



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Old 10-07-2007, 09:38 AM   #38 (permalink)
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Default Re: Bananas and indoor grow lights

I was trying to keep the cost down, Ron, since I don't know how long this project will last. Unless I ended up with a mover that rotated, I would need 2 movers for 2 lights, 3 for 3, etc., right?

Can you point me to some site with the kind of timer that I would need?

Thanks!
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Old 10-07-2007, 10:56 AM   #39 (permalink)
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Default Re: Bananas and indoor grow lights

Harvey, I don't know why you need those movers on a rail? I think you'd better of with more lamps with a lower wattage without a rail.
The experience is that normal house-timers, altough the label will say it
can take 3500 watt, will stuck or burn easily.
Generally they use a magnet-relais with those high wattage lamps. But
I am sure where you buy the lamps they will tell you. Just wanted to tell
you this because security first.
Also you probably need more, you have to get rid of the heat and let fresh
air in for CO2, because without CO2 they won't grow.
I am trying to find a setup that gives me slow-growth or better chances
for survival. But when you want year-round growing, thats not easy.

Ron
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Old 10-07-2007, 11:16 AM   #40 (permalink)
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Quote:
Originally Posted by the flying dutchman View Post
Harvey, I don't know why you need those movers on a rail? I think you'd better of with more lamps with a lower wattage without a rail.
Ron
Ron, from the link that Keith gave earlier:
http://www.lightrail3.com/

Quote:
Why move your light?
Moving one light on a 6 foot rail should increase your light's area of coverage by approximately 1.6. This translates into lower operating cost due to higher single light yields. The lumens produced by a grow light decrease the greater the distance from the bulb. To avoid plant killing heat associated with stationary grow lights, the bulb must be kept at a greater distance from the plants. For example, your plants end up getting far less lumens than you are actually paying for. By moving your light, you may run a tighter plant to lamp tolerance (using more of what you are paying for) without generating plant killing heat. Again, this translates into lower operating cost through higher yields. Moving your light from one end of your garden and back will give your garden light at a much greater variety of angles. This allows more light to reach the foliage at the bottom of the plant, which is normally shaded by the foliage at the top of the plant. As a greater portion of the plant takes part in the process of photosynthesis, lower operating costs result from greater yields.
This is the sort of setup Sandy used last year and she was pleased with the results. She has photos of it in her gallery.
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