I WAS WONDERING IF ANYONE ELSE USES AS MUCH BROMINE AS I DO????? I HAVE APPROX. 25,000 GAL IN-GROUND POOL & I GO THROUGH 25LBS. OF BROMINE EVERY 3 WEEKS. A FRIEND OF MINE HAS THE SAME POOL AND HAS ONLY GONE THROUGH 50LBS. THIS SUMMER. SHOCK EVERY SUNDAY. MY BROMINATOR IS ALSO SET ON 1, THE LOWEST SETTING. POOL IS ALSO 2 1/2 YEARS OLD. ANY HELP WILL BE GREATLY APPRECIATED.....P.S. I WAS TOLD BY A LOCAL POOL COMPANY THAT I COULD USE A CLORINE SHOCK & I DID........