Many people who use creatine gain weight. This is because creatine causes the muscles to hold water, not because it actually builds muscle. There is some concern that combining creatine with caffeine and the herb ephedra (also called Ma Huang) might increase the chance of having serious side effects such as stroke.
Concrete retained in forms or covered with insulation seldom loses enough moisture at 40 to 55 degrees Fahrenheit) to impair curing. However, drying from low wintertime humidities and heaters used in enclosures is a concern.
To allow concrete to cure correctly, keep it wet and warm at temperatures between 50 and 90 degrees Fahrenheit for the first week at least. Concrete that does not cure properly can shrink, crack or even develop a dusty, weak and crumbly surface.The longer you allow concrete to cure, the harder it becomes.While you may only need to keep the concrete protected for the first week while it cures, it actually takes it about 28 days to reach its full strength and hardness. After the concrete is poured and floated, the curing process ensures it hardens properly.he First Week. 1  After adding a concrete patio, driveway or walkways to your. 2  home, protect your investment by not walking on it for at least three days. 3  Keeping the concrete covered with wet burlap or straw for seven days is likely to discourage walking across it, especially if you cordon off the area around it.