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It will appear to be more green when its smaller and brown when swollen because of the zoanthalae algea. There is only a certain amount inside of it so when the ouer tissue expands, the concentration of zoanthalae seemingly decreases. All LPS, softies etc do this until they bring the volume of zoanthalae up.
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THE BARQUARIUM:
55 gallon cube - 50 lbs LR - ASM G3 skimmer - 30 Gallon sump - 22 Gallon refugium / frag tank - 4x 24 watt HO T5's - Mag 9.5 return - Pin Point PH monitor - 400 watt XM 20K MH in Lumenarc reflector - Dual stage GFO/NO3 media reactor - 6 stage RODI auto top up -Wavemaster Pro running 3 Koralia 2's.
Fully stocked with fish, corals and usually some fine scotch
http://www.canreef.com/vbulletin/showthread.php?t=55041
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