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well i just looked a few pics from years ago. i realized that my coral growth is not that fast. I have talked to othersand we both have pulsing xenia. his grows about twice the rate of mine. I checked trates, trites, amonia and all low-0. calcium is at 450 and alk is 12. any ideas? I have a 72 gal bowfront now with a sump. it runs a prisim skimmer with 2x250 MH bulbs and 4x 65W actinic PC. runs between 6-8 hours depnding on alge growth. i do 5-10 percent wwater change weekly. should i add supplemnts.. thats the one thing i try to avoid.
