Recent content by cshatzer

I appreciate the information on how to definitively diagnose the problem as well as knowing that there is a solution (if cal-chor mottling proves to be the problem), as well as what supporting evidence I need and where to find additional information. You do good work (you should be a teacher)...

Thank you for your reply and original post about motting/pinto concrete (and reference to the PCA publications). This was the first promising lead I have found after searching for the past 8 months on what my pool problem might be (I tested for other possible staining causes but they proved not...

I have a Blue Dimond Brite finish, one year old with major gray mottling. Mottling started within two months of filling pool and continues to worsen. Pool uses about a gallon of acid per month. Pouring acid on stain on steps doesn't do anything except create a little white cloud/dust. Help...