Ben de Leiris wrote:I think the main issue you'll run into is the amount of water you'll be able to capture. A roof has so much surface area that even small amounts of rain add up to a large volume of water.
Dillon Nichols wrote:If the main problem you want to address is less 'how do I have some water storage in case the existing supply has an issue, and also have access to water outside', and more 'how do I get access to water outside without all this bucket BS', it's probably less work to plumb in something semi-permanent.
I'd probably try T-ing off from the washing machine line, out a window; cut a board to fit a window left slightly open, and run the hose through a hole in the board. Add a valve and splitter if desired on the end of said hose, and you're in business... All removable when you move on.