Bomisch, a home renovation resource guide, points out that if you use a standard 45-ounce bottle of Fabuloso for the hack, you’re decreasing the amount of water used per flush from 1.6 gallons ...

Acid Magic will foam up. Scrub with a plastic bristle brush and then rinse with water. Acid Magic is a buffered muriatic acid. It has 90 percent less fumes, and will not burn your skin on contact.

The hand-held, battery-operated Loogun isn’t promising to replace your toilet brush, but it’s a sleeker, more hygenic gadget for spot-cleanings, all for the not-so-low price of $42.