Recent content by mbrancho

Ascorbic acid even after several treatments during two seasons failed to touch my staining. I will try a tool I was just using a long PVC pipe.

I treated my stains with oxalic acid and it was an ordeal due to the amount of staining. Anyway, the best way to remove the worst staining from the deep end was to just throw clumps of oxalic adding in. Wrong! I have no stain but after two years I still have that hard oxalic acid clump spots. I...