So, I want to get started on a pool asap, as I imagine it won't be ready until Spring/Summer.It will be the Intex metal-frame 15' x 42" pool. My biggest question is filtration. I've seen the Filipino guy with a smaller indoors one, and what he made, but it's my understanding those require daily cleaning, and for a 3800 gallon pool, welll...I don't see that working out well. The guru of my LFS said I'd need a large container found at a tractor supply store, and fill it with lava rock and some polishing media at the top, and it would need to be cleaned once a year. How much would that cost? Are there any more options?I'm also eager not to overstock my pool. Right now I have a Channel Cat and Red-Bellied Pacu, and two Senegal bichirs (who may or may not go in depending on their size) that I'm planning to put in there.I would also want a Congo bichir, for sure, and a Common Pleco would be helpful. I also fancy those ancient fish, so a Spotted Gar, Clown Knife, Aba Aba Knife, and possibly an Arowana are also canidates, as is a Red Tailed Catfish. Would they all be able to live in there nicely, or will I have to pick and choose?What would be the most economical way to feed so many monsters? What would be the price-per-month?Any other tips is great too!Thanks for all the help!