I just replaced my shower filters, so I thought I’d update my best shower filter review from earlier this year. Each update to the review generates a lot of useful comments. So I’m incorporating what I’ve learned from those comments into this latest review.
A community swimming pool called the Richmond Plunge has just opened in Richmond, California, and it may be the most efficient swimming pool in the country. The Richmond Plunge has many efficient features: it’s heated by solar collectors, it’s entirely chlorine-free, and the building is powered by solar panels on the roof. The Plunge is […]
Cannonball! Jumping into a swimming pool is a classic way to beat the heat on a hot summer day. But clean pool water requires a combination of filtration, circulation, and sanitization. Chlorine has long been the most common tool for keeping pools free of bacteria and algae – but it has its drawbacks, and there […]
One of the simplest and most inexpensive ways to purify water is to bubble ozone through it. Ozone is a molecule made of three oxygen atoms ( O3). It disinfects water very effectively, through a process called oxidation. Ozone ruptures the cellular structure of organisms, killing them. It also oxides toxic organic chemicals, minerals […]