Recent content by Jack P

Thanks, an ounce of prevention is worth far more than several pounds of cure!!

I am using the Pool Math calculator,, my last dose was yesterday when I added 1-1/2 gallons of 12.5% pool chlorine. I began the process by adjusting the ph down to 7.2 and then began to ramp up the bleach and CYA. I apparently got to aggressive with the CYA in try to get to the 70-80 range for...

Thanks, I have been trying to get the FC to 28 when the CYA was 70 but the FC number has barely changed. Is this because the FC is being reduced as the Black Algae is being killed?? When I brush the pool, there is a grey cloud ahead of the brush head. Is this the dead algae??

I have had a recurring black algae problem for a number of years which I have never been able to successfully defeat. Recently I began following this site and bought my TF-100 which has been very helpful. In reading the SLAM and Black Algae posts, I felt ready to tackle the project. I...