No, it won't mix in the water it will settle out. You have to give it to each bird orally based on their weight. The only water soluble one is Safeguard AquaSol, and it's really expensive.
Use the dosing that @Wyorp Rock gave in her post, .23ml per pound of body weight, 5 days in a row.
Use the dosing that @Wyorp Rock gave in her post, .23ml per pound of body weight, 5 days in a row.