While there's a growing trend to re-use our home's water (except for what we send down the toilet), there are ways to cut water use before replumbing for greywater.

In this video, Laura Allen of California's Greywater Guerrillas shows us her dual flush toilet (thanks to a California rebate program), low flow showerheads and the bucket in the shower to collect water as it warms up and she also talked to us about sterile pee and how to "if it's yellow, let it mellow".