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#1
06-19-2008, 06:03 PM
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That would make sense then they are not totally brown but definitely not the same as when I got them.
I run a mag 9 on a two way squid and a Hydor Koralia - 1 for a bit extra. It's a small tank though 18.5wx16dx20h 25 gallon
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150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return. 
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#2
06-19-2008, 06:06 PM
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My knowledge of sps is extremely limited but as a guy with lot of research and very little practical application it seems like your tank is about as good a tank as an acro could hope for....
Seems like great flow, your light is obviously more than sufficient and your params are normal... stupid hobby.... 
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#3
06-19-2008, 06:24 PM
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Your flow sounds fine! My 24g cube ran with the exact same stuff for flow, and I never had colour problems with my SPS.
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#4
06-19-2008, 07:01 PM
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I found this on RC years ago, and thought that it explained SPS color perfectly.
"there are only two things which affect sps coloration. These are zooxanthellae density and accessory pigments. Accessory pigments are determined by growth, light intensity and spectrum. growth is also determined by calcium availability, alkalinity, trace elements, flow, temperature, salinity, food and stability. zooxanthellae density is relative to nutrients, growth, temperature and light intensity, spectrum and duration. when corals exhibit fast growth, the growing margin has fewer zooxanthellae and more accessory pigments leading to colorful tips or rims. Zooxanthellae can mask colorful pigments when they are in high densities. In nutrient poor conditions and under high light intensity and ideal spectrum, zooxanthellae populations will be further reduced leading to more visible accessory pigments especially within the body of the colony."
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Brad
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#6
06-19-2008, 08:34 PM
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Thats interesting info.
I run a Phoenix bulb.
__________________
150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.
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#7
06-20-2008, 12:28 AM
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Very nice Brad, that really does just sum it all up perfectly.
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#8
06-20-2008, 04:47 AM
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If you want to reduce the zooxanthellae density you could try Zeospur2. It doesn't require the full system and works exceptionally well. I've used and seen instant results in hours, but you must be careful and follow instructions closely.
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