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Old 08-03-2005, 04:23 PM   #1
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DE (HQI) vs SE MH lighting ... the difference?

I'm inches form a decison to go MH, and am leaning toward dual 250W SE mogul bulbs. Are DE bulbs better? More light per watt?


HELP!!!!!!!!!!!!!!!!!!!!!!!
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30 gal standard 55 lbs LR, 60 lb live sand, 10 gal sump/refugium. Urchin skimmer, mag7 pump, 3 x 96W PC combination 10,000K/actinic bulb, 2 blue LED moonlights
SG 1.024, temp 79.5, pH 8.4

Livestock I added:

1 skunk cleaner. 12 hermits: red, scarlet, blue. 15 or so assorted snails. Discosomas, Ricordia, Rhodactis mushroom corals, chaetomorpha (sump), 1 feather duster, Montipora digitata, Montipora capricornis, Montipora hispids. assorted zoos, Xenia, Kenya tree coral, green Sinularia, green star polyps, branching hammer coral, bubble coral, Devil's hand leather. Yellow chromis, purple firefish.

Hitchhikers: the usual suspects :crabs, bristles, urchin, mantis shrimp (now in exile in mantis tank)

List of possible/likely newcomers:

Feather duster. PJ cardinal, Bangghai cardinal, Firefish goby, Clownfish, Neon goby, Yellow watchman goby, Orchid dottyback. Various corals.
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Old 08-03-2005, 07:52 PM   #2
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Doesn't the type only regulate the connector and type of ballast? Not the performance of the light?
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Old 08-04-2005, 12:09 AM   #3
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Generally DE MH lamps are more intense than SE MH lamps. AFAIK a 150w HQI DE set up is approximately equivalent to a 250w SE set up. Keep in mind DE lamps are more expensive to replace. HTH
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Old 08-04-2005, 10:24 AM   #4
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Quote:
AFAIK a 150w HQI DE set up is approximately equivalent to a 250w SE set up.
I've got 2 150 HQIs on my tank and have seen tanks with 250s they look to be about the same.
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