can someon tha has used both cttm and insant openest tell me how they believe they are different. and whitch one they like the best and why please list all the qualities of eah one with the amount of each that you use. i’m going to bebuying a bttle of one of them and i’m trying to decide whict one to get. thanks to all that reply 
Have you done a search on this? There has been numerous threads on this, several within the last few days actually…
The last one was only 5 hours ago… Steve put several really good links in that one 