Hello again everyone...
I've been trying to do some research regarding pumps and filters, and to be quite frank... I'm confused... I don't understand the relationship to head pressure and PSI and GPM or anything else for that matter.
Basically what I am planning to do is replace all of my equipment around January next year, and I'm trying to get a leg up on all the information ahead of time. My current setup is basically a single speed pump which I can't read anything on, and a DE filter that has some surface cracks around the lid, and is approx. ~30'ish years old. I have a single Main drain that is piped into my single skimmer, and I have two returns that I would guess are around 1/2" - 3/4" in diameter (I can plug it with a finger). My pool is around 10,000 gallons, and freeform in shape.
Here is a pic of my current pool equipment. I would say the equipment is about 15 feet away from the return lines, and 20 feet from the skimmer.
My wife wants to get a Variable speed pump, and there probably isn't any talking her out of it... so I'm prepared to drop some cash... but we also are wanting to switch to a Salt water system. So, I have cleaned our DE filter several times, and understand how it works, but I'm open to trying cartridge if that will work better and won't be much more expensive than DE to maintain.
If there are any setups that you guys could recommend, I plan on installing all of it at once to keep installation costs at a minimum. I have no features or other requirements.