Hyper-Optimal: Create an Oasis with Greywater

The book “Create an Oasis with Greywater” by Art Ludwig is packed with information about how to reuse greywater by diverting it into your garden. What is greywater? It’s all the “waste” water produced in a house besides sewage — e.g. water from showers, sinks and washing machines. This is a key meta-efficient technique because, […]

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