I am considering switching from our large Jandy pool cartridge to a sand filter. I live in South Carolina and between algae, pollen, volume of swimmers, debris, etc. I feel like I clean the filter all the time. It is heavy, I have trouble getting the unit open to remove the cartridge, uses a lot of water to clean the filter, and is a general pain. A new sand unit has been quoted at around $800 which includes install. A filter costs about $150 and usually must be replaced yearly. Thoughts????