_________________ TFP Moderator TF100 Test Kit - Pool Calculator -Pool School - Support This Site - Chlorine/CYA Chart You're done shocking when: 1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear. "The person who says it cannot be done should not interrupt the person doing it." Chinese Proverb
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