18000K? is this real

**GDominy** · 03-17-2004, 11:13 PM

I'd call the manufacturer of the ballast and run it buy them. Tell them what you want to do and see what they say

Capt. · 03-18-2004, 03:31 AM

[quote="GDominy"]I would have to say they are pretty close to 18000k... They are absolutely not anywhere near 5000k.. quote]

From The Krib: http://www.thekrib.com/Lights/fluorescent-table.html

lumens lux K degrees
Power-glo 2200 180 5400
Sun-glo 3100 NA 4200
Aqua-glo 960 NA NA
Life-glo NA 475 6700 (internal reflector)
Flora-glo 2180 NA 2800
Marine-glo 1480 NA NA (probably above 7000)

Edit: should note I just noticed this data is pretty old so you could be right. The bulbs may have changed.

compulsion · 03-18-2004, 07:51 PM

good idea ill call them.. shoulda thought of that myself.. infact ill call about the tubes aswell and see if they are actually 18000k
im sure it would be worth knowing if its true or not.
thanks guys

**GDominy** · 03-18-2004, 08:05 PM

Quote:

Originally Posted by Capt

From The Krib: http://www.thekrib.com/Lights/fluorescent-table.html

lumens lux K degrees
Power-glo 2200 180 5400
Sun-glo 3100 NA 4200
Aqua-glo 960 NA NA
Life-glo NA 475 6700 (internal reflector)
Flora-glo 2180 NA 2800
Marine-glo 1480 NA NA (probably above 7000)

Edit: should note I just noticed this data is pretty old so you could be right. The bulbs may have changed.

Ok all of the other numbers look right.. but I'm pretty sure the power glo spec is dead wrong. I put a 5000k bulb next to my power glo last night and they are not even remotely close. Check this image of my power glo's next to 3 6500k Osram Sylvania bulbs. 5000k "should" look more yellow tehn these bulbs, but as you can.. they are pretty purple..

http://aquafiend.plantedtank.net/ima.../135lights.jpg

Capt. · 03-18-2004, 10:21 PM

Those are powerglos??? :shock:

I only have one powerglo and it's the only bulb on the tank so it's hard to compare. In about a week's time I will be putting the powerglo in a 2 bulb fixture so I will be able to get a better idea then.

**GDominy** · 03-18-2004, 10:42 PM

Those are! Its very difficult to tell when the bulbs are just by themselves.. but when you put them next to another bulb you can really tell the difference.

compulsion · 03-19-2004, 12:16 AM

is that a dimmed image? those lights dont look to bright. but i see what you mean. a nice violet from them.. are they brighter and watt watt are they

**GDominy** · 03-19-2004, 01:34 AM

The camera automatically dimmed the image.. each one of those longer bulbs are 165 watts so you can imagine how bright it is.

03-17-2004, 11:13 PM	#16
GDominy Planted Tank VIP (View User Tanks) PTrader: (0/0%) Join Date: Jul 2002 Location: Victoria,British Columbia, Canada Posts: 3,276	I'd call the manufacturer of the ballast and run it buy them. Tell them what you want to do and see what they say __________________ Gareth

03-18-2004, 07:51 PM	#18
compulsion Planted Tank Enthusiast (View User Tanks) PTrader: (0/0%) Join Date: Mar 2004 Location: United Kingdom Posts: 524	good idea ill call them.. shoulda thought of that myself.. infact ill call about the tubes aswell and see if they are actually 18000k im sure it would be worth knowing if its true or not. thanks guys __________________ 55US Gallon Medium Planted \| 36x15x24Tall PH 7.0 - 7.2 GH 11 Ehiem 2232 Thermo 2.7WPG 160W 10,000k 5xNO T8's Sand+Eco Clay, CSM+B Baby Steps + Pres.Co2

03-18-2004, 10:42 PM	#21
GDominy Planted Tank VIP (View User Tanks) PTrader: (0/0%) Join Date: Jul 2002 Location: Victoria,British Columbia, Canada Posts: 3,276	Those are! Its very difficult to tell when the bulbs are just by themselves.. but when you put them next to another bulb you can really tell the difference. __________________ Gareth

03-19-2004, 12:16 AM	#22
compulsion Planted Tank Enthusiast (View User Tanks) PTrader: (0/0%) Join Date: Mar 2004 Location: United Kingdom Posts: 524	is that a dimmed image? those lights dont look to bright. but i see what you mean. a nice violet from them.. are they brighter and watt watt are they __________________ 55US Gallon Medium Planted \| 36x15x24Tall PH 7.0 - 7.2 GH 11 Ehiem 2232 Thermo 2.7WPG 160W 10,000k 5xNO T8's Sand+Eco Clay, CSM+B Baby Steps + Pres.Co2

03-19-2004, 01:34 AM	#23
GDominy Planted Tank VIP (View User Tanks) PTrader: (0/0%) Join Date: Jul 2002 Location: Victoria,British Columbia, Canada Posts: 3,276	The camera automatically dimmed the image.. each one of those longer bulbs are 165 watts so you can imagine how bright it is. __________________ Gareth

03-18-2004, 03:31 AM	#17
Capt. Planted Member (View User Tanks) PTrader: (0/0%) Join Date: Mar 2004 Posts: 175	[quote="GDominy"]I would have to say they are pretty close to 18000k... They are absolutely not anywhere near 5000k.. quote] From The Krib: http://www.thekrib.com/Lights/fluorescent-table.html lumens lux K degrees Power-glo 2200 180 5400 Sun-glo 3100 NA 4200 Aqua-glo 960 NA NA Life-glo NA 475 6700 (internal reflector) Flora-glo 2180 NA 2800 Marine-glo 1480 NA NA (probably above 7000) Edit: should note I just noticed this data is pretty old so you could be right. The bulbs may have changed.

03-18-2004, 10:21 PM	#20
Capt. Planted Member (View User Tanks) PTrader: (0/0%) Join Date: Mar 2004 Posts: 175	Those are powerglos??? :shock: I only have one powerglo and it's the only bulb on the tank so it's hard to compare. In about a week's time I will be putting the powerglo in a 2 bulb fixture so I will be able to get a better idea then.

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