- Turn off your sprinkler system
- Get a 110V water pump like this http://www.amazon.com/gp/product/B000CPZTEK/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
- Attach a hose to the output connection
- Make sure you use a biodegradable shampoo/soap when you take a shower
- Take a shower in a bathroom that has a bath make sure to plug the bathtub so the water doesn't drain
- Once done taking the shower place the intake of your pump into the tub
- Turn the pump on and start watering your garden
Typically a single shower is enough to water 300-500 sq. ft.