﻿<?xml version='1.0' encoding='UTF-8'?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>Marine Depot Forums / Lighting / Equipment Forums  / Everything you ever wanted to know about aquarium lighting / Latest Posts</title><generator>InstantForum.NET v4.1.3</generator><description>Marine Depot Forums</description><link>http://forum.marinedepot.com/</link><webMaster>forums@marinedepot.com</webMaster><lastBuildDate>Sat, 07 Nov 2009 15:25:41 GMT</lastBuildDate><ttl>20</ttl><item><title>RE: Everything you ever wanted to know about aquarium lighting</title><link>http://forum.marinedepot.com/Topic18663-16-1.aspx</link><description>Made this one a sticky. If anyone can think of more links to add please do so. &lt;img align="absmiddle" src="http://forum.marinedepot.com/Skins/Classic/Images/EmotIcons/Smile.gif" border="0" title="Smile"&gt;</description><pubDate>Wed, 25 Jan 2006 13:51:37 GMT</pubDate><dc:creator>TippyToeX</dc:creator></item><item><title>Everything you ever wanted to know about aquarium lighting</title><link>http://forum.marinedepot.com/Topic18663-16-1.aspx</link><description>&lt;b&gt;An index to articles:&lt;/b&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of 175W Metal Halide (Dec 2005)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/2005/12/review" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/2005/12/review&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of 175W Metal Halide Lamps - Part I (Nov 2005)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/2005/11/aafeature2" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/2005/11/aafeature2&lt;/a&gt;&lt;br&gt;&lt;br&gt;Underwater Light Field and its Comparison to Metal Halide Lighting (Aug 2005)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/2005/8/aafeature" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/2005/8/aafeature&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of XM 15000K Metal Halide Lamps (Jun 2005)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/2005/6/aafeature2" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/2005/6/aafeature2&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of Mogul base Coralvue and Coralvue-Reeflux Metal Halide Lamps (May 2005)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/2005/5/aafeature" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/2005/5/aafeature&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of 250W Mogul base Metal Halide Lamps - Part III:&lt;br&gt;EVC, Happy Reefing, Agromax and Coralvue (Apr 2005)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/april2005/feature.html" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/april2005/feature.html&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of 250 Watt Double Ended Metal Halide Lamps and Ballasts&lt;br&gt;EVC, Happy Reefing, IceCap, AB, and CoralVue (Feb 2005)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/feb2005/feature.html" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/feb2005/feature.html&lt;/a&gt;&lt;br&gt;&lt;br&gt;More Spectral Analysis of 400W Lamps and Ballasts (Jan 2005)&lt;br&gt;EVC, Hamilton, Aquaconnect and Helios Lamps and EVC, Blueline, Reef Fanatic and Icecap Ballasts&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/jan2005/feature.html" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/jan2005/feature.html&lt;/a&gt;&lt;br&gt;&lt;br&gt;Analyzing Reflectors: 400W DE Reflectors (Dec 2004)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/dec2004/feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/dec2004/feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;More Spectral Analysis of 250 Watt Double Ended Metal Halide Lamps and Ballasts (Oct 2004)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/oct2004/reviewb.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/oct2004/reviewb.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of 400W Double Ended Lamps (Oct 2004)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/oct2004/review.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/oct2004/review.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of 400W Double Ended Lamps (Oct 2004)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/oct2004/review.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/oct2004/review.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Product review: IceCap/150 HQI (Sep 2004)&lt;br&gt;	by GREG SCHIEMER&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/sept2004/review.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/sept2004/review.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Thoughts on Reef Aquarium Lighting... Keep Your Eye on the Prize!&lt;br&gt;	by Anthony Calfo&lt;br&gt;	&lt;a href="http://www.reefkeeping.com/issues/2004-08/ac/feature/index.php" target=_"blank" class="SmlLinks"&gt;http://www.reefkeeping.com/issues/2004-08/ac/feature/index.php&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of 250W Mogul base Metal Halide Lamps - PART II (Aug 2004)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/aug2004/review.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/aug2004/review.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of 250W Mogul base Metal Halide Lamps - PART I (Jul 2004)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/july2004/review.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/july2004/review.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Too Much Light! (Jul 2004)&lt;br&gt;	by Dana Riddle&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/july2004/feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/july2004/feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;PAM Fluorometer Experiments (Jun 2004)&lt;br&gt;Part I: Effects of Metal Halide Lamp Spectral Qualities on Zooxanthellae Photosynthesis in Photoacclimated Fungia Corals: The Red Light Theory&lt;br&gt;Part II: Effects of Water Motion on Zooxanthellae Photosynthesis&lt;br&gt;	by Dana Riddle&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/june2004/feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/june2004/feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;More Spectral Analysis of 150 Watt Double-Ended Metal Halide Lamps (May 2004)&lt;br&gt;	by SANJAY JOSHI&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/may2004/review.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/may2004/review.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Analyzing Reflectors: Part III (Mar 2004)&lt;br&gt;	by SANJAY JOSHI and TIMOTHY MARKS&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/mar2004/feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/mar2004/feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Analysis of 400W Lamps: XM, Radium, Osram and Sunmaster, PFO (Feb 2004)&lt;br&gt;	by SANJAY JOSHI and TIMOTHY MARKS&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/feb2004/feature2.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/feb2004/feature2.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;SPECTRAL ANALYSIS OF 250W DOUBLE ENDED 10000K METAL HALIDE LAMPS AND BALLASTS (Feb 2004)&lt;br&gt;	by SANJAY JOSHI AND TIMOTHY MARKS&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/feb2004/feature1.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/feb2004/feature1.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Effects of Narrow Bandwidth Light Sources on Coral Host and Zooxanthellae Pigments (Nov 2003)&lt;br&gt;	by DANA RIDDLE&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/nov2003/feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/nov2003/feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;The Static on Static Lighting: Suggestions for Better Lighting Applications of Photosynthetic Reef Organisms - Moving Light Systems (MLS)  (Oct 2003)&lt;br&gt;	by ANTHONY CALFO&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/oct2003/feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/oct2003/feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;LIGHTING IN REEF TANKS: SOME ACTUAL DATA (Aug 2003)&lt;br&gt;	by MIKE KIRDA&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/august2003/feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/august2003/feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Analyzing Reflectors: Part II - Double Ended Lamp Reflectors (Jul 2003)&lt;br&gt;	by SANJAY JOSHI and TIMOTHY MARKS&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/july2003/feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/july2003/feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;ANALYZING REFLECTORS: PART I – MOGUL REFLECTORS (Mar 2003)&lt;br&gt;	by SANJAY JOSHI &amp;amp; TIMOTHY MARKS&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/mar2003/feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/mar2003/feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;SPECTRAL ANALYSIS OF 150W DOUBLE ENDED METAL HALIDE LAMPS AND BALLASTS (Nov 2002)&lt;br&gt;	by SANJAY JOSHI, Ph.D. &amp;amp; TIMOTHY MARKS&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/nov2002/feature2.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/nov2002/feature2.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;SPECTRAL ANALYSIS OF RECENT METAL HALIDE LAMPS AND BALLAST COMBINATIONS (Oct 2002)&lt;br&gt;	by SANJAY JOSHI, Ph.D. &amp;amp; TIMOTHY MARKS&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/oct2002/feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/oct2002/feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Underwater Lighting Conditions (Sep 2002)&lt;br&gt;	by Andrew Trevor-Jones &lt;br&gt;	&lt;a href="http://www.reefkeeping.com/issues/2002-09/atj/feature/index.php" target=_"blank" class="SmlLinks"&gt;http://www.reefkeeping.com/issues/2002-09/atj/feature/index.php&lt;/a&gt;&lt;br&gt;&lt;br&gt;Metal Halide Lighting Components (June 2002)&lt;br&gt;	by Jon Garner&lt;br&gt;	&lt;a href="http://www.reefkeeping.com/issues/2002-06/jg/index.php" target=_"blank" class="SmlLinks"&gt;http://www.reefkeeping.com/issues/2002-06/jg/index.php&lt;/a&gt;&lt;br&gt;&lt;br&gt;The Properties of Light&lt;br&gt;	by Andrew Trevor-Jones &lt;br&gt;	&lt;a href="http://www.reefkeeping.com/issues/2002-03/atj/index.php" target=_"blank" class="SmlLinks"&gt;http://www.reefkeeping.com/issues/2002-03/atj/index.php&lt;/a&gt;&lt;br&gt;&lt;br&gt;Lighting the Reef Aquarium - Spectrum or Intensity? (Feb 2002)&lt;br&gt;	by Dana Riddle and Miguel Olaizola&lt;br&gt;	&lt;a href="http://www.advancedaquarist.com/issues/feb2002/Feature.htm" target=_"blank" class="SmlLinks"&gt;http://www.advancedaquarist.com/issues/feb2002/Feature.htm&lt;/a&gt;&lt;br&gt;&lt;br&gt;Photosynthesis/Irradiance (P/I) Curves and Why They Are Important to ReefKeepers&lt;br&gt;	by Dana Riddle and Andy Amussen&lt;br&gt;	&lt;a href="http://www.reefs.org/library/talklog/d_riddle_090599.html" target=_"blank" class="SmlLinks"&gt;http://www.reefs.org/library/talklog/d_riddle_090599.html&lt;/a&gt;&lt;br&gt;&lt;br&gt;Lighting the Reef Tank: A Primer for Beginners&lt;br&gt;	by Doug Wojtczak&lt;br&gt;	&lt;a href="http://www.reefkeeping.com/issues/2002-08/dw/index.php" target=_"blank" class="SmlLinks"&gt;http://www.reefkeeping.com/issues/2002-08/dw/index.php&lt;/a&gt;&lt;br&gt;&lt;br&gt;Spectral Qualities of Various Fluorescent Lamps&lt;br&gt;	by Dana Riddle&lt;br&gt;	&lt;a href="http://www.wetwebmedia.com/ca/cav1i4/fluorescent_lamps/fluorescent_lamps.htm" target=_"blank" class="SmlLinks"&gt;http://www.wetwebmedia.com/ca/cav1i4/fluorescent_lamps/fluorescent_lamps.htm&lt;/a&gt;</description><pubDate>Thu, 12 Jan 2006 18:52:02 GMT</pubDate><dc:creator>Mark</dc:creator></item><item><title>RE: Everything you ever wanted to know about aquarium lighting</title><link>http://forum.marinedepot.com/Topic18663-16-1.aspx</link><description>what is the *experts* takes on most of the info given in these articles by Sanjay?  &lt;/P&gt;&lt;P&gt;I'm curious, because I haven't really been into the whole PAR thing, mostly because from what I read about it, it only takes into account a speicific wavelength of light for corals.  Seems to me, that corals...like plants, use all different kinds of available radiation, not just a specific wavelength from #x to #z.  Also, PAR just seems to be the new "flavor of the month" in determining what bulbs are better than others, and in a year or so there will be a better quantitave way in determining a spectral analysis.  Almost seems like PAR was invented so the masses who can't read the spectral plots have some concrete number to compare bulbs with, whether they are using these numbers correctly is a big "?".  &lt;/P&gt;&lt;P&gt;I see now that Sanjay is using PPFD values, not sure what they are exactly...feel free to enlighten me.    &lt;/P&gt;&lt;P&gt;Many people have had success with some lights that have very low numbers.  I myself had XM15k's and loved them for about 6months until they became "blah".  So obviously, lighting isn't the only variable that helps corals color up and grow well (water quality is obviously the biggest factor).  &lt;/P&gt;&lt;P&gt;So with all of that said, I'm just curious as to what people think about this stuff.  &lt;/P&gt;&lt;P&gt;The data on the new 175w Iwasaki Aqua 2 looks HOT.  I'm very interested since I run 175's and like the blue look since I'm more concerned about colors than growth.  &lt;/P&gt;&lt;P&gt;I don't claim to be any expert on this stuff, just trying to correlate this to some of my background in chemistry/physics/biology that I have learned in college. </description><pubDate>Thu, 12 Jan 2006 16:49:50 GMT</pubDate><dc:creator>HokieAtrain</dc:creator></item><item><title /><link>http://forum.marinedepot.com/Topic18663-16-1.aspx</link><description>Awesome collection!  Thanks Mark. &lt;img align="absmiddle" src="http://forum.marinedepot.com/Skins/Classic/Images/EmotIcons/BigGrin.gif" border="0" title="BigGrin"&gt;</description><pubDate>Thu, 12 Jan 2006 15:34:51 GMT</pubDate><dc:creator>TippyToeX</dc:creator></item><item><title /><link>http://forum.marinedepot.com/Topic18663-16-1.aspx</link><description>Anthoneas Derrieras ?  &lt;img align="absmiddle" src="http://forum.marinedepot.com/Skins/Classic/Images/EmotIcons/BigGrin.gif" border="0" title="BigGrin"&gt;  :shock:  &lt;img align="absmiddle" src="http://forum.marinedepot.com/Skins/Classic/Images/EmotIcons/Tongue.gif" border="0" title="Tongue"&gt;  :oops:  8)   :wink:</description><pubDate>Thu, 12 Jan 2006 15:34:51 GMT</pubDate><dc:creator>Alti</dc:creator></item><item><title /><link>http://forum.marinedepot.com/Topic18663-16-1.aspx</link><description>I'm sure I've missed plenty of good articles and would encourage others to add to the list.&lt;br&gt;&lt;br&gt;Just figured with all the talk and threatened pictures of &lt;i&gt;Anthoneas Derrieres&lt;/i&gt;, we'd better get started on content building before this forum goes irretrievably downhill. &lt;img align="absmiddle" src="http://forum.marinedepot.com/Skins/Classic/Images/EmotIcons/Smile.gif" border="0" title="Smile"&gt;</description><pubDate>Thu, 12 Jan 2006 15:34:51 GMT</pubDate><dc:creator>Mark</dc:creator></item><item><title /><link>http://forum.marinedepot.com/Topic18663-16-1.aspx</link><description>Mark,&lt;br&gt;&lt;br&gt;Thanks for the extensive set of articles/links.</description><pubDate>Thu, 12 Jan 2006 15:34:51 GMT</pubDate><dc:creator>Puffer Queen</dc:creator></item></channel></rss>