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Post by kianliang87 on Mar 25, 2008 19:27:50 GMT 8
VFT is fine in full sun with a cooling off period in the night. Outdoor is also more well-ventilated. My VFTs were under lights for 6 months before they gave me problems. But the lights were on a reverse cycle and come on at night. So they don't really have a cooler period at all. Hi cindy, May i know what type of brand is your PLL tube? I can't seem to find Philips brand for PLL. They only have LIYODA, a china brand. |
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Post by kianliang87 on Mar 25, 2008 22:16:39 GMT 8
Does anyone know the lumens for Philips 36Watt/55watts PLL lights?
As i know, normal flourescent 36watt light has 3250 lumens rite? So, to imitate 15% of sunlight intensity, we need 4 * 3250 =13,000 lumens rite? Wat about 2 pieces of PLL, will they produce as much lumens as 4 flourescent light?
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dom
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Post by dom on Mar 26, 2008 9:04:01 GMT 8
Guess he is has typo error. 6500K = 13000 Lumens. Basically the lighting for CP is almost the same for aquatic plants. I am planning to use MH which with 8000K for the CP terrarium.
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Post by kianliang87 on Mar 26, 2008 10:27:34 GMT 8
I thought, for colour temperature, 6500k will be sufficient. But my concern is the lumen, how much do we need? As recommended by david, we should at least use 4 four feet long fluorescent tube. Each tube generates 3250 lumen. So 3250 * 4 = 13,000 lumen. How much lumen does 36 watts/55watts PLL generates?
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Post by kianliang87 on Mar 26, 2008 10:39:24 GMT 8
Dom, in aquascaping we calculate the lighting by Watt/Gallon rite? If i am not wrong, watt is not important in CP, because lumen is the important part. Some 22 watt philips lights only emits 1050 lumen, but a 36 watt philips fluorescent light emits 3250 lumen. So, the ratio of lumen : watt is not the same for different type of light tube. The important thing is the lumen, not the watt rite? Correct me if i am wrong.
Then if i am correct, what should be the minimum lumen to grow CP?
4 * 4feet fluorescent = 13,000 lumen. Is 13,000 lumen the minimum?
Can we use other lights, PLC,PLD, PLL or any other type to replace the fluorescent as long as we get 13000 lumen?
Sorry for the long questions. Lols.
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dom
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Post by dom on Mar 26, 2008 12:13:34 GMT 8
The watt is important too. You must check on the model. Like Philip 36Watt 827 which is yellowish and it is with lower lumen. 36Watt 865 with higher lumen. Then 55Watt 827 has different lumen with 36Watt 827. As same 865.
If the 4ft FL tube with 13,000 lumen. I guess it is 865 cool day light model. If you get warm day light type, you will have lower lumen.
In aquascaping, watt per gallon is just a theory for a newbie to follow. But if you know more about aquatic plants. You will know that different aquatic plant need different type of lighting. And you will not follow the watt per gallon theory for your aquarium anymore.
Basically for almost all of the CP need bright light. Only different temperature and humidity need to take care of.. If you are able to provide brighter lighting, then you need to take care of the temperature and humidity for highland species. Same like aquatic plants, you can give high lighting. But then you still need to take care of the water temperature.
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Post by edmund83 on Mar 26, 2008 16:52:47 GMT 8
Wah...  that clear my doubt already.... Not only Watt but lumen also. so CP plant require how many lumen in 8 hours? Is it the PLL cover box got write down how lumen it produces? sorry i throw the tube cover  |
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Post by kianliang87 on Mar 26, 2008 17:28:21 GMT 8
..Yea, now i understand already. Thanks alot ya. Btw, do you have any guide for the minimum lumen required? 13,000 lumen?
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dom
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Post by dom on Mar 26, 2008 17:40:29 GMT 8
This question pass to experts in here to answer. Since i am not the CP expert.
Edmund, the PLL and FL tube paper box got mentioned about the lumen.
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Post by kianliang87 on Mar 26, 2008 17:56:06 GMT 8
Ok, thanks alot again.
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Post by edmund83 on Mar 27, 2008 16:55:02 GMT 8
Thanks dom |
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Post by kianliang87 on Mar 27, 2008 20:34:04 GMT 8
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dom
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Post by dom on Mar 28, 2008 10:28:14 GMT 8
1000W and operates on standard high pressure sodium ballasts. ;D Dude, you need to spare RM1000 - 3000 to get this.
USD$105 - for a bulb (and not yet include the import tax, govr tax and delivery charge)
The high pressure sodium ballasts (with s behind...not sure it need 1 ballast or 2 or 3 ballasts to operate. A well done casing with this ballast will cost around RM1000-2000 easily.)
As from what I know, 400W with 20,000K Metal Halide with reflector which use on the Marine aquarium. DIY only and cost you around RM1200 easily. It can support up to 4-5 footer aquarium which with 2-2.5 footer height. The affect giving to the aquarium is just like what you can see while you are diving. Able to grow SPS and other high-end coral.
The Metal Halide using at the road side advertising board is 500W. The whole set cost around RM1500-2000. Depends on the brand. Unless you get the Halogen bulb which is yellowish with lower lumen/kelvin. Ace Hardware selling the Halogen bulb, casing and stand for RM99 only.
Beside all the $$$ and Lumens/Kelvins which you wanted to. You need to take care of the heat which is generate from the lighting. The air circulation, temperature and etc.
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Post by caseyhoo on Mar 28, 2008 10:43:19 GMT 8
I personnally feel that using PLL/PLC/PLS/FL is more then enough (cheap mar  )... Important is Lumens/Kelvins. There is not fix judges on how many watt you need (there is many factor affect it, like distance, how long you on the light, what is the Lumens/Kelvins). |
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Post by kianliang87 on Mar 28, 2008 13:27:24 GMT 8
Hehe, yea lor. That day i was browsing through the net, then i found this 1000 watt bulb. So i post here lor. Never intend to buy. Btw, i found a 250WATT Metal Halide bulb in my house. But i guess i'll just DIY PLL/PLC lights la.
Wanted to try using 4 pieces of 18Watts PLC lights(those people use as downlight from ceiling) Dunno can or not leh? the bulbs are 6500K and 920 Lumen each, cool day light.
What about 4 * 2 ft FL lights? Will it be enough?
I plant to focus the lights on a small area only. Around 1 square ft area can already.
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Post by kianliang87 on Mar 28, 2008 14:00:28 GMT 8
I think i found the answers to my questions already. Hehe, I saw a long long ago post from David, he has a 2 ft terrarium with 4 * 2 ft FL lights. So I guess, 4 * 2ft FL or 4 PLC also same lor...should be ok...
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dom
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Post by dom on Mar 28, 2008 14:59:19 GMT 8
Kian Liang,
It is depends on how high you hang the lighting above your terrarium. FL can cover wider. But the PL-C is not. Unless you can hang it higher.
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Post by kianliang87 on Mar 28, 2008 18:33:23 GMT 8
Oh, but if i hang it higher, then the light not so intense already lor? Hmm, I know lightings are very important. Last time when i look at my aquatic plants pearling, Wow, the feelings are just so nice, so proud.
Ok la, i try to hang around 8 inches from the top of the plants, using one 20W PLC warm white and one 14W PLC cool day light. Hehe, actually i get all this from my house. So it's free. I will try to use this light for the plant for a while first. If not enough, then i add another two 2 feet FL.
But my seeds has yet to arrive yet. Haha, but i am already DIYing everything now. Very "Sam Kap".
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)... Important is Lumens/Kelvins. There is not fix judges on how many watt you need (there is many factor affect it, like distance, how long you on the light, what is the Lumens/Kelvins).