How Long Do I Treat My Fish With Methylene Blue in the USA
Add 1 teaspoon of 2.303% Methylene Blue per 10 gallons of water. This produces a concentration of 3 ppm. Continue the treatment for 3 to 5 days. Make a water change as noted and replace the filter carbon at the conclusion of the treatment. Can I apply methylene blue directly to fish? Methylene blue is…
