I did a 30gal water change on my 58g reef, don’t know what happened but corals not happy.
Tested salinity and found it at 1.032....brought it down to 1.028.
Duncan, torch, green star polyps and trumpets looking bad...retracted so no polyps show.
Just tested other parameters:
Pho’s .34, no3. .75, cal 490, Mg 1250, alk 6.4, ph 7.9
Had some crud on sand bed...sucked it up and added about 1” new esv oolithic sand on top.
Up until water change everything looked great!
Tested salinity and found it at 1.032....brought it down to 1.028.
Duncan, torch, green star polyps and trumpets looking bad...retracted so no polyps show.
Just tested other parameters:
Pho’s .34, no3. .75, cal 490, Mg 1250, alk 6.4, ph 7.9
Had some crud on sand bed...sucked it up and added about 1” new esv oolithic sand on top.
Up until water change everything looked great!