How To Dissolve Urine Crystals In Urinals Direct

Marco had seen it all in his fifteen years as head janitor at the Grandview Mall, but the men’s room on the third floor was testing his patience. The porcelain urinals looked fine from a distance, but up close, a crusty, grayish-white deposit lined the drain holes and the trapway. Urine crystals—mostly struvite and calcium phosphate—had built up over months. Standard flushing just laughed at them.