After 3+ decades as a licensed pool contractor with a degree in chemistry this is what I do in my pool. D.E. filter, liquid chlorine 1.0-1.5ppm, potassium monopersulfate oxidizer, pH 7.2-7.4, Total...
The short answer is...it depends. It depends on your needs and your family situation. If you have children, especially younger ones, I would not recommend pebble tec. The biggest issue with...
I have this problem in my pebble tech pool. If you have a over flow valve plug it and fill your pool water level to the dark stain and make sure your chemical levals are good. Run your pool system...
Soft Scrub using a Scotch-Brite abrasive pad. It removes those black lines great. I have a 20 X 40 in-ground pool & I clean the pool line every spring. Soft Scrub works great and does not mess up...