Southern Association of Colleges and Schools Commission on Colleges. Bob Jones University is a candidate for accreditation with the Southern Association of Colleges and Schools Commission on Colleges to award associate, baccalaureate, masters, and doctorate degrees.
hthÂ® calcium hardness increaser, 4 lbs. hthÂ® calcium hardness increaser, 4 lbs., is used to raise the calcium hardness of swimming pool water. Low calcium hardness may cause the pool water to be corrosive, resulting in damage to pool surfaces and equipment.
It targets 3 tissues to increase blood calcium: kidneys, where calcium is reabsorbed; bone, where bone tissue is resorbed; and the gut, where PTH stimulates conversion of vitamin D to calcitriol, which regulates absorption of calcium by the intestines.