You read the headline correctly. We’re discussing the T-trap not the P-trap. First, a little Plumbing 101. The P-trap is that P-shaped curl in the drain below the sink (and other plumbing fixtures) ...
Experts recommend weekly thorough cleaning and disinfecting of floor traps to keep sewers at bay. Floor traps or drains are plumbing fixtures installed in the floor of the bathroom, laundry room, ...