Maiden voyage success - question about grey water tanks

Use paper plates 70% of the time helps saving the gray tanks levels. Do dishes in in plastic pan and then dump water into the black tank. Buy a blue boy plastic tank for gray water and then roll it to dump site. Teach the family how to take a "navy shower" 1. 60 sec. rinse body then use turn off water with valve on shower head 2. soap the body/hair 3. turn water on and rinse just long enough to rinse soap off. A normal shower can waste 10 gallons of water.