sounds good
so far I have done a couple of things
1. moved to using 100% recycled water - rain water - using a 3 tank system to naturally clean and filter it
2. changed to a water based HD cleaner for all de-greasing, engine bay, shuts etc work
3. started to use ONR for washing although havent quite worked my wash routine to use that all the time. Still doing lots of foaming etc but using water based stuff and recycled water from 1.