Cichlid88 Posted May 30, 2006 Report Share Posted May 30, 2006 (edited) Can anyone tell me how much light green star polyps need? When I had them in my first marine aquarium which was short on light they grew very well. They have been in my 50 gal marine tank for 6 months now and never seem to open up at all, except for a few small ones sticking out they look to be wasting. All my water parameters are good, regular water changes lots of circulation, my hammer head coral is even growing well. My new tank has 2 96w PC actintics, 2-22 w T5 actintics and 2-22 w T5 6500 K bulbs so lighting is great comparied to my old set up. I have placed some of the polyps each area low middle and high to see if there is an area they like best but the only ones that seem to open up much at all are the one at the lower level with lower light. I am fighting a hair algae bloom which is almost under control but I wonder if this stuff is causing the issue, does it release toxins or something? Anyone ever have this problem? Thanks, bd Edited May 30, 2006 by Cichlid88 Quote Link to comment Share on other sites More sharing options...
muck Posted May 30, 2006 Report Share Posted May 30, 2006 You say your params are good.. Can you post the actuals? Quote Link to comment Share on other sites More sharing options...
Cichlid88 Posted May 30, 2006 Author Report Share Posted May 30, 2006 Salinity is measured with a Hagen Hydrometer and reads right at the recommended level 1.024. PH is 8.2, Total hardness is 33 ppm. Temp 78-79 This should be good right? Quote Link to comment Share on other sites More sharing options...
finaddict Posted May 30, 2006 Report Share Posted May 30, 2006 put the gsp in a high flow area... my clown was biting the polps once and it took 1 week to open back up! Quote Link to comment Share on other sites More sharing options...
midgetwaiter Posted May 30, 2006 Report Share Posted May 30, 2006 I had some brown star polyps do that to me once, just up and died. How close is the colony to your other corals? You could have a chem warfare problem. If you are having an algae problem what are your nitrogen compound levels like? Ammonia, nitrite, nitrate? Quote Link to comment Share on other sites More sharing options...
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