Water quality can affect spray efficiency as well, with suspended solids clogging strainers and corroding nozzles. A simple water testing strip is an inexpensive means of evaluating pH, which even at ...

For at least a decade, the quadruple axel jump was figure skating’s white whale. “It’s been this unreachable thing, like the four-minute mile” once was, says Matthew Lind, a technical specialist for U ...