Pravana Artificial Hair Color Remover

Today I cleansed a level 2 Aveda color out of my hair looking to achieve a level 7copper. The product was amazing and it pulled all the black color out and left me with a level 8goldish/copper. In the instructions given with the Pravana it said to apply 2 levels lighter than the desired shade.....I however did not remember the instructions and put a level 7 on my hair thinking it would be exactly what I wished....it appears to be a level 5 now with copper undertones. Not what I wanted and now I have to start over with the cleansing part again. Thankfully I did this to myself and not to a client. What I should have put on my hair was a level 9 copper and it would have given me the 7copper that i wanted. So READ THE INSTRUCTIONS!!!!!