I do have the water a couple inches off the top with a double air stone as well. I actually have yet to get a test kit. I really should. I just have the fish store check it the past couple times. What do you guys recommend the API master kit? I was doing 25% changes before I dosed with kanaplex. I have yet to change water in 6 days. But I am going to be doing a large water change tomorrow and probably run carbon and re evaluate. I'll check for ammonia and stuff tomorrow and post the results. Unless I should continue with kanaplex. I really don't know. I know maracyn 1 & 2 is great for cloudy eye and Popeyes but that will definitely kill my bacteria.