In a 10K gallon pool, 2 gallons of 6% bleach will take the chlorine to shock level at 12 ppm. I'm assuming you have no stabilizer. You need to get the chlorine up to 12-15 ppm, keeping it there by testing and adding more chlorine as often as possible to maintain that 12-15 until the water clears. Each 3 cups of bleach will raise your FC by 1 ppm, so you can use that as a guide to figure out how much you need to add each time. Brush it daily, keep your pump/filter running 24/7 and clean filter as needed. This will help it clear. If you will scoop out anything you see on the bottom, it will help. The key is going to be getting it up to shock level and keeping it there.

Janet