JOHN,
SAND FILTERS ARE A PAIN IN THE BUTT. jUST GET THOSE LOW SPEED PUMPS. tAKE IT FROM STEVE. THE EQUIPMENT YOUR LOOKING AT MAYBE CHEAP. BUT THEY WILL COST YOU AN ARM AND A LEG TO OPERATE. A FRIEND OF MINE IS RUNNING A POOL EQUIPMENT IN HIS POND. I TOLD HIM TO CHANGE THEM BUT HE WOULD'NT LISTEN. JUST LAST WEEK HE WAS AND STILL COMPLAINING ABOUT HIS ELECTRICITY BILLS.
mICHAEL