SLS hood

Bigzman: I did a quick search on BLV bulbs, and everyone seems to be saying nice things about them. They state the 20K BLV's are very white, so I would assume the 10K would be more white than blue, but I'm only guessing (Jeremy, am I close or waaay off?).

Jeremy: How much is the upgrade for the electronic ballasts? In your opinion (be honest) is it worth it? If I want to change my order to electric, is it too late? Sorry for so many questions, but when you're spending $1500, you want to get the most out of it! :D
 
BLV vs Ushio 250w DE--whiter than the IMO fairly yellow
Ushio. "brightness" wise, it's a wash visually. The BLV 10k is NOT a blue bulb at all. Very comparable to the Geisemann Megachrome though. For aesthetics what looks really good is if you blend a BLV 10 and 20k or if you use some blue+ bulbs w/the BLV 10k. By itself, it is very white. No blue at all IMO.

JMO guys, don't rob yourself of the extra light by using electronic ballasts w/DE bulbs. The "effeciency" factor of a mag HQI is very, very close to that of an electronic--yes you use more juice, but you get the corresponding more light.
 
Moonpod,

Thanks for the Answer. What about start up on a electronic ballast? Other then effeciency is there any value? What about long term electrocal cost? What about compatabliy with other brand of Bulbs.

Regards,
Bigzman
 
Moonpod: Do you think the T5 Actinics are going to provide enough "blue" to supplement the BLV's?

Jeremy: One last question, I'm guessing that the actinics and the MH's can be turned on/off separate from each other. Am I correct? Thanks all!
 
IMO--this is a purely aesthetic question, better off w/blue+ than actinic especially w/a 10k bulb b/c there's already a big 420nm spike in the BLV 10k, whereas the blue+ spikes at 450nm.

I don't believe in "electronic" startup effeciency. I'm not saying that eballasts don't work, etc...I'm just saying that you get more light w/the mags, the bulbs are made to the mag spec.
 
MH specturm charts.

MH specturm charts.

Moonpod,

Do you know I can find the color spectrum charts for all MH bulbs? Just to see what bulbââ"šÂ¬Ã¢"žÂ¢s peak at what range.

Regards,
ZC
 
Look at sanjay joshi's work in advanced aquarists. Most of the 10kish bulbs have very similar patterns with different size peaks, but peaks in the same places.

Looks at the Ushio, BLV (HIT), AB, and the Geisemann MC (though this may not have been a final production bulb)
http://www.advancedaquarist.com/issues/feb2004/feature1.htm

Many manufacturers publish their spectrums. I can't remember the "X" manufacturers page but they have the spectral graphs published.
 
Moonpod,

This is what I was looking for. Thanks for the help. Are some UV shields different then others? If yes that means it can change performance right?

Regards,
ZC
 
I dunno if that's the case or not, but I'm pretty sure that in traveller's testing of the 150w DEs that he's still doing that it was pretty much the same across the field, ie the shields were all about the same in terms of PAR impact.
 
Anyone get their hood yet?!? The wait is killing me. I see that my charge has been....er, charged. I've been checking the status of my order at the Premium Aquatics site, and it still says "Pending". I'm hoping that's not the case...
 
Bummer

Bummer

Nothing for me yet....ho hum. :(
And now I can't check the status of my order, it's been removed from their site and is archived . I'm going to the corner to cry now...:sad1:
 
Last edited:
Just got an email from Cory at Prem Aquatics. Mine was shipped on Fri via FedEx frieght (4 boxes 154lbs!!!). Tracking shows it to be arriving on Wednesday! Prem Aquatics rocks!
 
My shipping was $45.11. I paid for UPS ground, but it's coming from SLS via FedEx Freight. Still only 3 days to ship!

Bamann: I will definately post pics!!!
 
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