Hi There all you Discus Lovers I have scanned all the forum on Discus illness in search of a remedy for Flagellates & found nada. I have also checked the internet & found 2 options of treating Flagellates : Increase temperature to 33 degrees celcius & add 100mg of Metronidazole per 47 liters of water for a period of 5 days Increase temperature to 33 degrees celcius & add 1000mg of Metronidazole per 10 liters of water for a period of 3 days What is the recommended dosage? Can anyone assist with this please? Thanking You in Advance Hamied Sorry guys, did not search correctly. Found a post written by Jenn giving the correct dosage which is 7mg per liter of water. Thanx Jenn