Quote Originally Posted by karrde97
A question I have is that the Best Guess Chart is based on FC. Does this mean I have to test my FC every day? I don't have enough powder(PS234) to do this all summer. I will have to buy more. I've been using the PS200 to check for CL & pH daily.
It is intended that you do the daily check with the PS200. I only use the powder on Saturdays and if I have reason to suspect a problem.