Here are five questions to help you decide how big your rain barrel should be. If you can collect rain water from 1000 square feet of roof and a typical rainfall is one inch then a 623 gallon barrel will capture most of the typical rainfall. (1000SF x 1/12 feet = 83.3 cubic feet or 623 gallons). Here are five questions you should ask before installing a rain barrel.
Best Time to Water. The best time of day to water your lawn is in the early morning, from 6:00 to 8:00 a.m. Watering in the morning gives wet blades of grass time to dry out over the course of the day, reducing the possibility of fungal problems. Morning is also the coolest and least windy time of day, which means that the water you apply is less likely to be lost to evaporation.
1 The water will be less likely to evaporate, and there are generally lower winds. 2  Watering the grass in high wind can cause the grass to dry before the water penetrates the soil. 3  For a green lawn, water your grass until the water penetrates at least 6 inches (15.24 cm) deep into the soil. The water will be less likely to evaporate, and there are generally lower winds. 2  Watering the grass in high wind can cause the grass to dry before the water penetrates the soil. 3  For a green lawn, water your grass until the water penetrates at least 6 inches (15.24 cm) deep into the soil.