Joint sand used for paver applications should be a course, washed concrete sand. This sand takes more time to get into the joints, but is also more difficult to wash out. Do not use silica sand or mason sand. The joint sand should also be completely dry. If the sand you have is damp, spread it out to dry before using. Wet and damp sand will prevent it from flowing freely into the paver joints.
Drinking eight cups or two litres of water a day is longstanding advice. But is there any scientific basis for it, asks Dr Chris van Tulleken.
How much water do you need daily? Evidence is mixed on this and there is no hard data to support a set number of glasses per person. Weâre all different sizes, shapes and have different needs depending on our human state. The general rule of thumb is that you should drink eight 8 ounce glasses of water per day (at least). RELATED: HEALTHY FOOD CHOICES FOR A LONGER LIFE. Interestingly some agencies claim that total fluid intake (water and other fluids) should exceed 3 liters for men and 2.2 liters for women.