"If you have a septic system, double-check that your toilet bowl cleaner is labeled septic-safe," Christensen says. "In ...

Urine also contains ammonia and should not be mixed with bleach. Do not use bleach to clean litter boxes and always flush toilet bowl cleaner before urinating. When bleach is mixed with an acid it ...

But the ammonia odor was so strong that he often ... remove the dirt from the spaces between the tiles. They clean inside toilet bowls, using hand mirrors to check their work.