I AM PUTTING UP AN ABOVE GROUND POOL IN MY YARD.....
INSTEAD OF GRATING UP THR YARD AS IHAVE A SUMP PUMP DRAIN OUT IN THE YARD.
I THOUGHT THAT I AMY BE ABLE TO DUMP 20X20 SQ. FEET OF BLACK DIRT...4 INCHES DEEP.
THEN SOME LIME STONE,
THEN THE SAND AND u ALSO HAVE A GORILLA PAD 18X18.....MY POOL...