greensand filter

Hello, I have a new residential water system with a well pump. 15 gallons per minute, 220V pump, 175' deep, Pressure tank 70psi. See test results below. Our local water system company suggested a 10x54 1.5 CF Greensand filter, three bags 44lb of Greensand Plus with a gravel bed. The filter was...

We've lived in our home for just over two years and have yet to figure out how to maintain our greensand filter system. We did purchase potassium permanganate but have no idea how to get all the liquid that is in the pot out, what to do with it (how to dispose of it) and whether we just dump the...