Odysi

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Brooklyn
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Hey all so few months back I set up a frag tank. It's a 12g aio with 150w pheonix Mh atm the light is hanging 14" above the tank and the tank is 12" deep. Running a hydor slim skim, live rock rubble, a bag of puregen and chemi pure elite. Lately I have noticed all my zoas and lps in the tank are losing the bright colors and getting darker on me. Just wondering if anyone has any thoughts on what could be going on?
 

Odysi

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Location
Brooklyn
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Here are parameters

SG - 1.025
Ammonia - 0 ppm
Nitrate - 0 ppm
Nitrite - 0-2 ppm
Alk - 9.3
Cal - 420
Mag - 1470 (high from over dose been working down by wc)
Po4 - 0-3
PH - 8.0
 

Odysi

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Location
Brooklyn
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I have seen them expelling zooxanthelae. I moved the light higher to about 16" above the water gonna give it some time and see how they do. In the DT they were under leds so I guess maybe just a shock to them.
 

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