Yes, Mollison's book has a good system, though it's somewhat involved. I'm just thinking of building a cascading storage system out of plastic drums - haven't quite figured out how - under each downspout, with a release valve when they're full (with flow into the gardens).
-- Robert Farr (540) 668-7160 Check out http://www.thechileman.com for Hot Sauces, Salsas, Mustards & More!
