The Gravity Drum

…With this system (see Figure 4), even distribution also is achieved by moving the hose from mulch basin to mulch basin. This deceptively simple approach elegantly solves a host of problems, in exchange for one ongoing task-someone has to move the hose every day or two to another mulch basin. If you're a person who spends time in the garden and will move the hose, seek no further-this is the most reliable, bombproof way of delivering laundry greywater to your plants and requires virtually no maintenance, decade after decade. The same distribution system could be connected to collection plumbing from the shower, bath, etc.