Municipal water, even if treated, can easily become re-contaminated once it is stored in a sub-standard tank. Bacterial regrowth is noticed in tanks with poor hygiene, while micro-cracks in plastic ...

It’s hard to be blasé about the Sink Twice. I don’t want to oversell a plastic sink that sits over a toilet tank, but this ingenious, relatively low-cost device could help save the world. Why? Because ...