3 ms·
Perhaps these shade balls could work. It does mention that they inhibit microbial growth and slow evaporation. http://news.nationalgeographic.com/2015/08/1508
by giarc 10y ago
Perhaps these shade balls could work. It does mention that they inhibit microbial growth and slow evaporation.
http://news.nationalgeographic.com/2015/08/150812-shade-balls-los-angeles-California-drought-water-environment/ http://news.nationalgeographic.com/2015/08/150812-shade-ball...