Greg discusses the pros and cons of grey water and rain water capture and use.
Also see the more detailed video on Rainwater catchment on this channel.

For more information on:
alternate water see:
http://diyplumbingadvice.com/alternat...

Greywater:
http://diyplumbingadvice.com/alternat...

Rainwater:
http://diyplumbingadvice.com/alternat...