Heres the situation I detailed my car two weeks ago using Menzerna IP & FPII followed by Z1 & Z2. The Z1 I used was no good (older than 3 years and jelly not liquid) and I now want to remove whatever Z1 and Z2 remains on the car so that I can use EX and Natty's instead. Can Someone please give me a step by step process of what I need to do to remove the Zaino and apply the EX and Natty's. The method I am looking at using is the 50/50 alcohol water mixture unless someone knows of a better way. Thanks in advance!