skywindsurfer;179203 said:Thales; here are last weeks water chems, but I've done some work on the system since I expect them to go down. No other inverts are showing signs of stress or damage.
1.020 is about 26 ppt which seems too low to me. NSW is 34-35. I would have to look into that at work, and I don't think its the cause of your issue, and there are reports of them at the lower salinity.
What units are you measuring PO4 in?
What is the Ammonia and the Nitrite?