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.
Always distribute the chlorine around the pool - never add shock to the skimmer. Always keep solar blankets, winter covers and auto covers removed until chlorine level is 3.0ppm or less. Always follow instructions on waiting to swim after shocking. Particles can become lodged in your eye.