Great Lakes Aqua Farms
3-7-10  These are shots of Tanks and grow-beds 1(lower) & 2(upper)
Upper grow bed with many lettuces and cloned tomato plants
Lower grow-bed with lettuce, tomatoes, basil and four apple trees.
Two of twenty three 4" Nile Tilapia Hybrids
Improvised fluorescent light grating to keep fish from jumping out.  And,
one of three bio-wheel and sediment filtration units for ammonia control.