FatChevy Posted August 13, 2012 Share Posted August 13, 2012 I have a 76 gallon with a 35 gallon sump/fuge. I used to do 20% water changes every 2 weeks. my zoas started to shrivel up and die in the display tank. I've sinced moved all my zoas into the refugium of my sump and have stopped doing water changes. it has been a month or 2 since the last water change. my corals have thrived in the fuge. I have a skimmer rated at 200 gallons and in the fuge is rock and chaeto. I am also running a phosban reactor. Do I need to do water changes more often? Why were they dying off with biweekly water changes? also noted that I can not grow any hard coral or sponge. they seem to die off really quickly Quote Link to comment Share on other sites More sharing options...
Garrett Posted August 13, 2012 Share Posted August 13, 2012 What are water parameters? My only explanation i could think of from water changes iw, either base water is contaminated somehow and orsalinity temp changes idk just a guess might want to check water your uaing for changes for nirates ammonia etc Quote Link to comment Share on other sites More sharing options...
FatChevy Posted August 13, 2012 Author Share Posted August 13, 2012 I have an ro/di unit for my water. all my parameters are fine Quote Link to comment Share on other sites More sharing options...
Nate213 Posted August 14, 2012 Share Posted August 14, 2012 Not sure about the hard corals, but most soft corals like dirtier water. My zoas die off when I get lower nutrient levels. Maybe your water is too clean for the softies and you are just having bad luck with SPS? Quote Link to comment Share on other sites More sharing options...
Kimberlee Posted August 14, 2012 Share Posted August 14, 2012 Not sure about the hard corals' date=' but most soft corals like dirtier water. My zoas die off when I get lower nutrient levels. Maybe your water is too clean for the softies and you are just having bad luck with SPS?[/quote'] Exactly what I'm thinking Quote Link to comment Share on other sites More sharing options...
Garrett Posted August 14, 2012 Share Posted August 14, 2012 Interesting, if thats the case then add some fishes to dirty er up Quote Link to comment Share on other sites More sharing options...
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