What is the difference between matrix color developers? I want a 20 volume developer. What does it mean socolor or solite?

SOURCE: i lost the instructions to sored socolor matrix

Here is the number to the company for product questions. they are able to get you a copy of the instructions. Hope this helps.
1-888-777-6396, Monday-Friday 9:00am to 7:00pm Eastern Time and Saturday 9:00am-4:00pm EST