One thing they may consider is recycling their home's gray water.
So, what exactly can you use gray water for?
He lay back on his elbows watching the gray waters.
The five of us peered into the cold gray blue water, able to see only a few inches down.
The morning was chill, made more so by the wind blowing off the dark gray water.
The water, dark gray and angry, was now crashing on the shore.
He could see the milky gray water out of the small porthole.
They looked out at the gray water of the Sound.
To the edge of the city, looking down on windwhipped gray water.
Now they looked at the cold gray water and shivered.
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