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Old 07-09-2010, 10:57 PM   #11
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Matt, I was re-reading your post and have a few questions. First, what is PAR? Second, where would I be able to find an ATI bulb? Last, what corals could I expect to keep with these bulb upgrades?
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Old 07-10-2010, 01:22 AM   #12
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Matt, I was re-reading your post and have a few questions. First, what is PAR? Second, where would I be able to find an ATI bulb? Last, what corals could I expect to keep with these bulb upgrades?
PAR refers to the amount of usable light for the coral. Less PAR means less usable light for the coral. PC is less than t5 and t5 is less than MH. This is all relative to the bulb used, brand, and such, but still a good estimation of what to expect from a certain bulb technology.

ATI t5 bulbs are one of the best t5 bulbs out there and have a LOT of PAR whereas other brands have less.

Actinic bulbs (420nm) have much less PAR than the rest of the color temperatures available to us. ATI blue plus are similar to actinic bulbs, but have a tremendous PAR.

You can get ATI t5 bulbs from marinedepot.com as well as many other online vendors.

Matt
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Old 07-10-2010, 02:19 PM   #13
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Old 07-10-2010, 02:33 PM   #14
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How are you getting .6 wpg with 48 watts on a 29 gallon tank?
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Old 07-10-2010, 05:11 PM   #15
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"PAR is the abbreviation for Photosynthetically Active Radiation".
This article was just updated and is a good read...
Aquarium Lighting; Kelvin, Nanometers, PAR, Bulb, Watt, MH, LED, Light Basics.
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Old 07-28-2010, 01:39 AM   #16
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Anyone care to share an opinion on this lighting option please... Im looking at the reef white to replace the setup I have now... Thoughts are appreciated..


Currently available:
*AquaBeam 500; 12 watt Marine White (14,000K)- $154.99

(5 Daylight emitters)

Despite the name, the Marine White is also a possible choice for planted freshwater aquariums, with much lower wasted light in the yellow spectrum than CFLs)

* AquaBeam 500; 12 watt Reef White- $149.99
(2 blue emitters & 3 14,000K Daylight emitters)

The Reef White is the most recommended model with the best marine reef application potential as well as another choice for planted FW (for those desiring more blue as well Cyanobacteria control). Also a good compliment to T2 or T5 Light Systems

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