the most common cause for a geyser to erupt is due to a tempreature and pressure problem. many plumbers who dont know how to install geyers properly,.
From Wikipedia, the free encyclopedia. A tophus (Latin: stone, plural tophi) is a deposit of uric acid crystals, in the form of monosodium urate crystals, in people with longstanding hyperuricemia (high levels of uric acid in the blood). Tophi are pathognomonic for the disease gout.rom Wikipedia, the free encyclopedia. A tophus (Latin: stone, plural tophi) is a deposit of uric acid crystals, in the form of monosodium urate crystals, in people with longstanding hyperuricemia (high levels of uric acid in the blood). Tophi are pathognomonic for the disease gout.
Without treatment, tophi develop about 10 years after the onset of gout, although the occurrence can range from 3 to 42 years. Tophi are more likely to appear early in the course of the disease in older people. In the elderly, women are at higher risk of developing tophi than men.