How to Turn dark brown hair to light brown?

My hair was dark brown with blonde chunky streaks in the front. I bought some color fix and put it all over my hair. I probably shouldnt have put it on the blonde area but I wasnt thinking. When I took it off, it was very un even so put it on again. When i took the color fix off, it left my hair a red color. I bought 2 bottles of dark ask blonde hair dye with 20 volume creme. I only needed to use 1 of them. When I took it off, it can green where the blonde used to but the rest of it turned brown again. Not as dark brown but still brown. Can I put the other bottle of dark ash blonde on it to get it a little lighter or will this turn my hair green again?