- Have you tested your water?
- Yes
- If I did not test my water...
- ...I recognize that I will likely be asked to do a test, and that water tests are critical for solving freshwater health problems.
- Do you do water changes?
- Yes
- What percentage of water do you change?
- 91-100%
- How frequently do you change your water?
- Every week
- If I do not change my water...
- ...I recognize that I will likely be recommended to do a water change, and water changes are critical for preventing future freshwater health problems.
Been trying to figure out what has been killing my rainbow fish happened about three months ago some not all have been getting sores on there sides. Sometimes it looks like a white thing is sticking out of it. I’ve treated with general cure, melafix, started Fritz bacteria. Any idea what this could be. The tank is 180 gallons is on my automatic water changes system it gets a 30 min water change everyday water levels are all good 
