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OfflineLegoulash
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Best & Biggest compact floros?
    #3537974 - 12/24/04 02:22 AM (12 years, 7 months ago)

Does anyone know where to get over sized compact florecent bulbs? All I ever see is the small 30w ones in the stores.. Any specialty onse made for growing or anything for that matter..


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InvisibleYidakiMan
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Re: Best & Biggest compact floros? [Re: Legoulash]
    #3538794 - 12/24/04 12:27 PM (12 years, 7 months ago)

I assume you mean 30watt equivalent in incandescent because a 30w CFL is a rather large light.

I bought a dozen and a half 26watt CFLs on eBay for under $3 each.


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OfflineGr0wer
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Re: Best & Biggest compact floros? [Re: YidakiMan]
    #3538955 - 12/24/04 01:13 PM (12 years, 7 months ago)

Ive bought a 42w CFL for like $10 at home depot, it was a big swirly style one. I only saw them once and it was just the one and I havent seen it since.

They also have CFL security light fixtures with the big CFL's like used in this http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=43555&item=4345518937&rd=1

Im guessing there only 40-60w. But if your buying a security fixture just go with the 70w or 150w hps for $35-45 then convert to remote ballast.


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Offlinenookjohn
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Re: Best & Biggest compact floros? [Re: Gr0wer]
    #3539993 - 12/24/04 07:11 PM (12 years, 7 months ago)

ecogrow.com


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InvisibleKyKid
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Re: Best & Biggest compact floros? [Re: nookjohn]
    #3540126 - 12/24/04 08:08 PM (12 years, 7 months ago)

man they sell 45watts at walmart, check out the overgrow cfl team theyll help you out, its a bunch of people that dont have enough money to spend on the hps and mh lights so they grow with what they have and i must say that those 3 dollar walmart bulbs have put out some grade a shit for them when they used them right.


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OfflineAelph
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Re: Best & Biggest compact floros? [Re: Legoulash]
    #3540189 - 12/24/04 08:44 PM (12 years, 7 months ago)

I've looked into CF's and when you compare cost vs. Lumens vs. wattage vs. Color..... my money still goes to low cost tube floros.

You've got to remember that color is important.... you need a nice blue color... 6500K does the trick for vegatative growth.

Lumens... a daylight plus tube puts out 2350 lumens @ 6500K. A high watt(125) CF puts out 8000@6500K.

Running cost.... CF wins slightly at the same lumen level.

Set up cost.... I don't have the specs on the Walmart brands so I really can't compare Walmart CF's... but on the standard large CF's the bulb can be $70.00 easy. You can get a grow fixture for $70.... unless you can build your own. This can be done with a mogul florescent adapter and a cheap overhead reflector

The tube type costs are.... fixture - $8.00, 2 tubes $6.00 for a total of $14.00. Two tube set ups will use 160 watts to put out 9400 lumens for $28.00....

Just my 2 cents....


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Offlinenookjohn
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Re: Best & Biggest compact floros? [Re: Aelph]
    #3540264 - 12/24/04 09:12 PM (12 years, 7 months ago)

Major down side is that you have to position shop lights right on top of your plants. My CF lights are situation quite a distance away so I have a very wide coverage area with hundreds of plants that I can see!


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OfflineGr0wer
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Re: Best & Biggest compact floros? [Re: nookjohn]
    #3540663 - 12/24/04 11:35 PM (12 years, 7 months ago)

CF lights make a big clutter, are hard to position because you have so many and they arent that much more intense then tube floros.

Either way if your using floros you really should be training using scrog or strings. Scrog with tube floros makes it a breeze to keep the buds close. But either way you still want to be within 1-3" of CFL's for optimal growth.

If you grow hundreds of plants then buy a 1k MH and and some 400w HPS's.....


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OfflineAelph
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Re: Best & Biggest compact floros? [Re: nookjohn]
    #3541806 - 12/25/04 11:06 AM (12 years, 7 months ago)

Quote:

tourist said:
Major down side is that you have to position shop lights right on top of your plants. My CF lights are situation quite a distance away so I have a very wide coverage area with hundreds of plants that I can see!




Hundreds of plants????? Then you don't need to be talking about CF's. They don't have enough LUMENS to make a difference. My 1000 Watt MH puts out 100K plus lumens.... makes stuff grow in a 10'x10' area. You would need over 12 125watt CF's to come close to that.

You really need to brush up on LUMENS per square foot to make plants grow. When it comes to large areas.... you need HID lighting. Floros are good for small areas and a few plants. I think a 125watt CF is good for maybe 3'x3' if you're lucky. I use 9400 Lumens in a 4'x3' area.. and this week I'm adding 4700 more since I don't have enough lighting.


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Offlinenookjohn
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Re: Best & Biggest compact floros? [Re: Aelph]
    #3542261 - 12/25/04 04:31 PM (12 years, 7 months ago)

I know exactly what I'm talking about.

I have 2 125 W CF bulbs and a approximately a four foot by four foot growing area.

You falsely assumed I was growing hundreds of cannabis plants when I am in fact growing hundreds of cactus and succulent plants in that region. Notice the original post said nothing about what he intended on growing.


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Offlinesuperblingtheory
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Re: Best & Biggest compact floros? [Re: nookjohn]
    #3542735 - 12/25/04 09:19 PM (12 years, 7 months ago)

I can always fing 100w Compact flourescents for about 20-30$ here at Home Depot and Lowes- usually Wal-Mart too.


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InvisibleKyKid
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Re: Best & Biggest compact floros? [Re: superblingtheory]
    #3543003 - 12/25/04 10:59 PM (12 years, 7 months ago)

i think it all depends on the persons situation and budget, at the time i started growing other ethnos i bought a few cfl's so i already had a few laying around and a few more only cost me around 10.00 for a 6 pack and it brought my watts up to 220 and i only have a cab with 2 square feet and that's over the recommended 100watts per square foot for vegging. also the need for cooling units is almost done away with, i only run two PC fans one for intake and one for out take and i have no heat problems with over 200 watts, so for me at this time cfl's are working out but i could see were it would get difficult juggling all those light around trying to get all those watts for a larger grow. also as one already said he didn't say cannabis is what hes growing, i think we need more info on his project hes got going before anyone could really help him.


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OfflineAelph
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Re: Best & Biggest compact floros? [Re: nookjohn]
    #3543785 - 12/26/04 09:10 AM (12 years, 7 months ago)

No false assumptions here.

But the truth of the matter is that there is no cost justification for ever getting REAL 125watt CF's. Notice I used the word REAL? This means the bulb actually uses 125 watts. Most CF's use much less and say that they replace something much more... which is a stretch. The problem is you need to give the plants LUMENS.

It all comes down to LUMENS per square foot. Sunlight is about 10,000 Lumens/ft2. Only a HID will ever get to that level.

The next thing is light distance from plant distance. A quick rule of thumb is that the further away you place the lighting, the less Lumens the plant recieves. If you cut the distance in half... you get 4x the lumens. This is why you put floros right on top of plants.

A good site for basic princples is... http://www.granitehydro.com/learnxx/light.html


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OfflineLegoulash
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Re: Best & Biggest compact floros? [Re: Aelph]
    #3544298 - 12/26/04 03:44 PM (12 years, 7 months ago)

Some people dont like big HID's, because of heat or power consumption issues.. So they bring their lumens up with the addition of floros.. And these comacts are the best thing to hit the market for these people.. (untill those Fiberoptic growlights get big.... Or some of the experimental grow lights that arnt big(yet))


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Re: Best & Biggest compact floros? [Re: Legoulash]
    #3544792 - 12/26/04 07:21 PM (12 years, 7 months ago)

Those fiber opcics will never be big.


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OfflineLegoulash
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Re: Best & Biggest compact floros? [Re: Gr0wer]
    #3545463 - 12/26/04 09:49 PM (12 years, 7 months ago)

how do you figure?? Im sure HPS was 1000+ at one time...(hand built and all)

One thing I was thinking of was mounting a HPS bulb in a fairly small metalic(reflective) box and have fiber optics going from the box into the grow area..

But that was in the days when I could get fiber optics for free, but the plant closed down in my city leaving many of my friends job less


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Offlinenookjohn
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Re: Best & Biggest compact floros? [Re: Legoulash]
    #3547364 - 12/27/04 10:18 AM (12 years, 7 months ago)

I read that "basic principles" site over a year ago and the information is obsolete because it does not even mention compact fluorescent bulbs.

You have obviously never used the 95, 125, or 200 W compact fluorescent bulbs because you would be aware of their two chief advantages:

1) Unlike with shop lights, you must have at least 2 feet of spacing between the lights and the plants. Otherwise, the plants will sunburn. That is a good qualitative indicator of lumens. HOWEVER, I have an exact measure of lumens which in my case is in excess of 10,000 lumens. Most importantly to me, the spacing allows me to actually look at my plants.
2) Unlike with HPS or with MH lights, you can actually touch the bulbs without having to go to the emergency room. Compact fluorescent bulbs produce very little heat. That means my setup is completely without fans or noise of any kind.

As far as the cost to run compact fluorescent bulbs compared to the number of lumens they produce per watt of energy consumption, HPS and MH lights currently have a slight edge. Bear in mind, though, that compact fluorescent bulbs are new to the market and that costs are coming down rapidly while technology is improving. That's why you can commonly find "60 W replacement" 13 W compact fluorescent "twist" bulbs for a buck when they were $5 two years ago.


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