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.
Gout is one of the most painful forms of arthritis. It occurs when too much uric acid builds up in the body. The buildup of uric acid can lead to: 1  Sharp uric acid crystal deposits in joints, often in the big toe.2  Deposits of uric acid (called tophi) that look like lumps under the skin.or many people, the first attack of gout occurs in the big toe. Often, the attack wakes a person from sleep. The toe is very sore, red, warm, and swollen. Gout can cause: 1  Pain. 2  Swelling. 3  Redness. 4  Heat. 5  Stiffness in joints.