I do about a 30 gallon water change every 3-4 months. I keep my alk at around 7.7, calcium around 450, mag not sure, phosphates around 0.05. Change out carbon when ever I remember, and change bulbs once a year, and add bio pellets once every 6-7 months
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riceboys 82.7 gallon sps dominant tank
-concept built 3'x2'x22" full starfire tank with starfire 1 piece eurobrace and built in wave box, 1 jebao wp25, 4 mp10wes, ati led Hybrid 8 bulb fixture, csc 250 skimmer, Magdrive 18 return pump, apex lite, custom sump from concepts, biopellet reactor and carbon and gfo,bubble magnus doser and jbj ato, custom acrylic frag tank with 6 bulb t5
http://www.canreef.com/vbulletin/showthread.php?t=70851
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