Infection is rare, but has been reported in individuals with predisposing conditions. Here we describe the case of a woman with pyelonephritis and bacteremia in which Lactobacillus delbrueckii was determined to be the causative agent.
you should mix the alkaline cleaning solution with hot water and apply it to the travertine tile floor with a soft scrubbing sponge do not use any type of aggressive scrub pad or scrub brush on you travertine tile floor this is because travertine is a dense stone but the finish can easily be marred by using aggressive scrub pads or brushes soft white scrubbing brushes work great to scrub the travertine and the grout lines without damaging the polished or honed finish of your travertine tile floor
If you are trying to remove the tile so as to save the cement board, it is a waste of time in my opinion. It is grueling work to try to remove ceramic tile in an effort to salvage inexpensive cement board. I feel it is a far better idea to remove the cement board and tile all at the same time.You want to start removing tile where the ceramic tile ends and a different flooring material, such as carpet or hardwood flooring, begins. Do not try to start this job in the middle of the ceramic tile floor.nce the grout is removed from around a tile, try to pop the tile off the cement board by driving the stiff putty knife under the tile at a low angle. The blade of the putty knife should be nearly parallel with the floor. Strike the end of the putty knife gently with the hammer.