How much water cannot be determined over the Internet. It depends on shade, soil, grass height, grass species, and sun. If your grass got watered twice a week and still looked dry, then you should have doubled the length of time you water and go until it looked dry again. I water for 2 hours per zone, once a week. My grass is in the shade, soil depth ranges from zero inches to 18 inches. Soil is based on white limestone rubble with some sand and "caliche." Several years of no chemicals has made the white soil pretty dark.
At this point, you should start out by reading the FAQ at the top of this forum. That will probably raise some questions for you and answer some. Write back after you've read it and let us know how we can help.
_________________ David Hall Moderator Dirt Doctor Lawns Forum
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