- 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
- 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.
My fish in a 20 gallon tank had ick a week ago. The white spots are gone now and I will continue to treat with ick meds, temperature and aquarium salt. My question is, when I put the ick medicine in the tank how long do I wait to change water, vacuum the substrate?