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.
How much calcium is enough? The national average calcium intake for women is 500-600 milligrams per day. The recommended intake for women and men age 19 to 50 years of age, and men to 70 years, is 1000 mg/day. For women over age 50, and men over age 70, the recommendation goes to 1200 mg/day.ne cup of skim milk contains only about 90 calories and still gives you the 300 milligrams of calcium per 8 fluid ounces. Cheese is available in reduced fat varieties as well as fat-free.