Mike,
If you want to give me a call at some point, as I know someone who has built recycle systems if it is any help.
Rob it is Colin who did the transfer with us when you bought the H&M system so you have met him.
I can see pressure washing needing to go this way in the future, 1 as a selling point and 2 as an environmental issue.
Why this country has never gone the desalination route I don't know.