In light of its measly $1.2 million price tag the film's quality relative to bigger-budget horror films is striking.
It depends on the size of the pool. A normal size pool should have at least 2 skimmers. It depends on the size of the pool. A normal size pool should have at least 2 skimmers.
Also, there is a water fall, about 2' about water level, and a length of about 25' from the skimmer to the waterfall. Both the skimmer and waterfall have simple filters attached which help keep the water clean. I have calculated the entire capacity at about 750 gallons. When the pond was installed, they put in a Tsurumi 50PN-2.4S (4PN) pump, which has a rate flow of 4740GPH.