Hi, I'm new to the board, here is a little introduction. We bought our house in August 2015. The house was built in 1979 but we don't know when the pool was added. I would guess 80's or 90's. I am the primary pool caregiver around here , we have owned an 18 ft above ground with a sand filter before, and a 14 ft Intex pool with the cartridge filter that came with it. So I have a little experience but this is my first inground with salt water. So far the maintenance has been easy, until the power board went out on the salt water generator a month ago. We replaced that, and now our motor has gone out. We bought a new one and went to replace it yesterday, but after taking everything apart, which was not easy due to stripped and corroded bolts and the inserts the bolts screw into... We have decided to return the motor we bought, close down the pool, and start fresh in the spring with a whole new setup. Pump, motor, and filter. I'm afraid to even see what the inside of the filter looks like so we felt we might be better off to just buy all 3 components at once than to potentially have to replace all of them in one summer anyway, at different times. That's what brings me here. It has been suggested that we change to a cartridge filter. So we are debating on the pros and cons of the different types of filters. I honestly haven't had any complaints with a sand filter and I felt like I was constantly cleaning the cartridge filters to the Intex pool but maybe that was just because it was the filter that comes with the pool, which I'm sure is not the same quality as what we would need for our current pool. They seemed fairly disposable. I have no experience whatsoever with a DE filter. It has been 12 or 13 years since we have picked out pool equipment so I would love any feedback and input I can get before I make this decision!