I AM BUILDING A SUMP FOR A 180 GALLON TANK I'M NOT SURE WHAT SIZE SUMP I AM GOING TO BUILD YET I'M THINKING IN THE 50-70 GALLON RANGE AND I WAS WONDERING WHO COULD TELL ME A GOOD PUMP TO USE IF I WANT A FLOW RATE BETWEEN 1500 AND 2500 GPH I WANNA TRY AND SPEND LESS THAN 200 ON THE PUMP