I am a new pool owner and I live way out in the country and I use well water so we all have to have the local fire department fill our pools with water from the river to avoid running the well dry. Most of the time it only takes a few days to clear the water, but this time the first fun from the truck deposited quite a bit of rust from the tank along with the brown water from the river. It has been 1 week....4 bags of shock...5 gallons of bleach....and still not clear. What can I do??