Supplemental lighting

As mentioned in my last post , I don't believe my seedlings get enough light due to the type of insulated glass in the window . I have a 250 watt halogen work light and wonder if that will work as a supplemental light source . I can hang it from the ceiling above the shelf so that I can adjust the height - these lights do put out quite a bit of heat , which may be beneficial for the sprouting phase . Just an idea to use what I have instead of spending money for a single-purpose device . We also have several house plants that seem to be doing fine with just the usual room lighting , none of them are near a window ... but I don't have a fixture suitable for hanging CFL's above the seedling shelf .
--
Snag



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On 1/24/2015 9:23 AM, Terry Coombs wrote:

I live in a temperate climate, aka Boggy Bottom, aka Houston, TX. My halogen light gets used the most in the garage shop during the winter as it puts out enough heat to give you a sunburn. You might not want to use halo for growing seedlings.
Years ago I bought a two tube 48" fluorescent shop light, one that plugs into an outlet. Put in a daylight tube and a sun tube and grew out veggies from seed for years that way. Dirt cheap way to do it and the CFL tubes lasted for all those years.
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Terry Coombs wrote:

not really, top heat isn't as good as a little heat from below.
spindly tomatoes should not be a problem. plant them deeper anyways so they will root out from the leaf nodes.
other plants you may want to time better so they are not quite so tall. or are plants getting too much N to start with?
if you want sturdier taller stems then the plants need a bit of challenge to do that. an oscillating fan can work (shift it around or rotate the plants so it comes from different directions) but you do have to watch your moisture levels closely when using one.
for the price of the electricity you'll be burning up i'd look into LEDs. also, i'm not 100% sure but i think that halogen puts out UV (can damage eyes and increase skin cancer risks).

house plants are often shade plants adapted from tropical places (and are not too likely to be fast growers either) so i wouldn't compare them very directly to the needs of a veggie plant (often selected for fast growth in full sun).
you may need to rig up a holder of some kind. clamps, few extention cords, old drying rack or old lamp or ...
songbird
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George Shirley wrote:

There goes that 2-tube T12 fixture over the shop door ... just now called the local hardware/lumber store , they have 48" grow lamps for 8 bux each . We be jammin'!
--
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songbird wrote:

After reading George's post ... well , see my response to him . I'll be using a flourescent fixture with grow bulbs . The shelf is about 4 feet from the wood burning stove - this is a convection stove , not a radiator - so it's probably plenty warm without being too hot . I had problems last year with getting peppers to germinate , hoping the difference in temps due to the ceiling fan will help . The ceiling fan keeps a continuous air current there , enough to stir the curtains a little . The seedlings (most of them) will be transplanted into 4" pots as soon as they're about 6"-8" tall (depending...) and shortly thereafter will go out into the hot box I'm planning for the southeast facing wall of the house . My goal is to have strong plants 12" or slightly taller ready to set out in mid-April . Using the hot box also gives me an opportunity to harden them off without dragging them in and out - the window sashes I'll use for the top will be hinged . If I get my timing right I can recycle the small pods to start some flowers and herbs .
Snag The next 10-12 weeks are going to be busy , fun , and interesting . I also have a beehive to split this spring . Fortunately I have all the equipment needed built and ready to go . YEE-HAW spring is a-comin' !
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On 1/24/2015 1:33 PM, Terry Coombs wrote:

We're hopeful for spring here too, it has warmed up to low fifties F today with lots of beautiful sunshine but still a chill northeast wind blowing around.
I just came in from the garden and the broccoli and other winter crops are still doing well but the green peas got a little frost bit. With some decent weather it looks as if they will produce enough pea pods for at least two meals. Radish, spinach, lettuce and beets are doing well.
The four by sixteen bed has been amended with another batch of Mel's Mix and the old mix stirred into it well. The two four by eight beds will have to wait until the fall crop is out and then will be amended.
Bought some more landscape timbers yesterday and, very soon, will build a raised bed for the blueberry plants. We planted four plants of four different named blueberries and two died from root rot. Decided to move them above the five feet of clay under this property in the raised beds with Mel's Mix plus lots of pine needles and peat moss and will get just one more blueberry plant to replace the two dead ones. Reasoning is we can get one larger plant to replace the two small deaders.
Now I've got to figure the needed materials to replace the cheesy pine board fence that came with the house and is now almost eight years old. Sorry material, sorry workmanship by a sorry builder. Will put in better, more secure gates too. We've had a rash of break-ins by thugs just walking in unlocked gates in our neighborhood. Generally they take all the electronics, any jewelry or money they can find and then they're gone. The thieving has slowed down since a neighbor happened to see a vehicle parked at the back gate of another neighbor and wrote down the license. Turns out they lived in the next subdivision over, four young thugs are now in jail. I put up my security sign about that time.
"THIS PROPERTY PROTECTED BY COLONEL COLT AND MR. WINCHESTER." SECOND SIGN SAYS, "OUR PIT BULL HAS AIDS."
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On Saturday, January 24, 2015 at 4:40:24 PM UTC-5, George Shirley wrote:

My CPA has a great addition for your Col. Colt sign, "Nothing inside worth dying for".
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On 1/25/2015 9:45 AM, Steve Peek wrote:

I do believe I will add that one to the sign. I miss my Louisiana CPA, looked after our businesses and our personal taxes for 24 years. He converted a room in his office to a gun room. Would sometimes spend an hour or two drinking his coffee and talking guns and ammo. I was a gunsmith for over twenty years before I moved to a job with actual pay and benefits so we had a lot in common.
Your CPA sounds to be worth keeping.
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On Sunday, January 25, 2015 at 11:07:45 AM UTC-5, George Shirley wrote:

He's a keeper for sure, a really good accountant and my CC (concealed carry) instructor as well.
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I'll suggest one upgrade: Change the ballast in that cheap shoplite to a solid state one. I measured about a third less power consumption, so doesn't take forever to justify the cost, and the solid state ballasts don't need the lamp's filament to start, so can use lamps that you thought were "dead."
--
Gary Woods AKA K2AHC- PGP key on request, or at home.earthlink.net/~garygarlic
Zone 5/4 in upstate New York, 1420' elevation. NY WO G
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Gary Woods wrote:

Today while I was in town I picked up a pair of 48" gro-lux bulbs - and a new fixture for them . I'll be mounting it under the shelf I have the trays on now , with a shield to shade the .light from bothering us and some means of protecting the floor under it . When I got home my package of 100 4" round pots was waiting for me in the carport ... I think I might almost be ready for spring now .
Snag
And I did a hive inspection today too , the bees are doing well and have stored honey to eat .
C'mon Spring !
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Once upon a time on usenet songbird wrote: [snip]

I'm in the southern hemisphere and will be looking into LED grow lighting this winter. I've been experimenting with mixes of blue and red LEDs over a couple of fish tanks and have been getting excellent results with the plants for the cost (both of the LEDs and the electricity).
White LEDs are in fact UV LEDs coated in phosphors (much like the inside of a flourescant tube) so aren't as efficient as coloured ones. Getting the mix right for photosynthesis and just running those colours is a very efficient way to grow under artificial light.
--
Shaun.

"Humans will have advanced a long, long, way when religious belief has a
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