1 mil per litre
10 gallon is 38 litres
in a 10 gal you would need to add 38 ml which is approx 1.3 ounces.
Hope that helps.
psychocat Reviewed by psychocat on . HELP! MATH QUESTION FOR MIXING NUTES I just got some HyOx additive. It says to add to res 2-3 times a week. I am confused about the directions. Will someone that knows this please help. See: http://www.gchydro.com/prd/PHA/Advanced_Nutrients/labels/hyox_label.jpg Here is my stats US gal. 10 Gallons of water in res and I want to add HyOx in. What is the proper mix. I dont want to fry my plant! Thanks Rating: 5