After the algaecide is added, you should wait 15 to 20 minutes before going in. Be sure to test your water for chlorine and pH levels, so your pool or spa will be safe and comfortable for your users. Kem-Tek algaecides are not toxic to humans.
The Recommended Daily Allowance (RDA) of magnesium for young adults is around 400 mg/day for men and 310 mg/day for women. For adults over 30, the RDA is 420 mg/day for men and 320 mg/day for women.
Calcium is best absorbed from food sources, but most postmenopausal women do not consume enough calcium and must use supplements to achieve the recommended amount. On average, U.S. adults consume 600 mg of elemental calcium per day, far below the recommended intake.There are a number of general guidelines on how much calcium postmenopausal women should consume.hat panel also recommends 400 IU of vitamin D per day for patients 51â70 years of age and 600 IU daily after age 71. The National Osteoporosis Foundation (NOF) and AACE support the IOM recommendation on postmenopausal calcium intake.