refractomer

Even someone who has been at this for a while makes big mistakes. Now I know why my tank has looked like crap. It has been a long time since I had last calibrated and now that I have, I found it was off by 7 points. So when I thought I had been running at 1.026, in reality was 1.033!

I have somthing in my tank I am unsure of what but any new fish additions go missing and are gone in 2-6 days current tank inhabitants are all peaceful(2 clowns, lawnmower,2 gobies, a pistol shrimp 2 dragonets) I recently got a wrasse from the petstore and I seen him hiding behind a rock the...