Bay seniors eager to rely less on Safeway for their food supply and yet lacking the space to cultivate personal, productive farmland might want to check out Aquaponics. It’s a neat little (as small as 6’x8’) system that includes both fish and vegetable cultivation. No soil is necessary. Twice a day water is circulated automatically keeping fish like tilapia and crayfish healthy plus an assortment of greens including lettuces, peppers, chives and other herbs. Minimal water and zero weeding required. Even the smallest aquaponics system can grow up to 100 pounds of fish and 400 heads of organic lettuce annually. Prices appear to run in the $200 + range.