Do you have a link to it? I was thinking of building a smaller scale (when I buy a house) about 1500-2500 gallon and figure out how to use a closed loop ifh setup and keep it stable
New plan - maybe. What do you think about building a 26x13x6 tank, 15,000 gallons instead of the pond? Think about it, there are people on here with experience in doing it (more people that have tanks this size versus people that have ponds the size I'm talking about. Or the other option is something a bit bigger, 12 feet longer totaling at 22,000 gallons. I'll post a stock list in a minute, still working on it but it would likely be a lot smaller.
Catfish:
-(2) some sort of large catfish (suggestions? can be mult. species)
-(1) red tail catfish
-(3) medium sized catfish, between the size of an electric cat and a RTC or TSN (suggestions? can be mult. species)
-(2) sunshine plecos
-(6) royal plecos
-(1) tiger shovelnose catfish
-(1) lince catfish
-(4) niger catfish
-(2) giraffe catfish
-(1) of either paroon shark or (2) iridescent sharks
-(2) super red scarlet plecos
Cichlids:
-(?) red devils (suggestions for a number?)
-(?) red terrors (suggestions for a number?)
-(2) jaguar cichlids
-(2) dovii ciclids
-(4) trimac cichlids
-(3) red atabapo I pike cichlids
-(4) orange pike cichlids
-(2) marble pike cichlids
-(2) cobra pike cichlids
-(1) lenticulata pike cichlid
-(?) oscars (suggestions for a number?)
-(7) super red severum cichlids
-(4) red tiger motaguense cichlids
-(?) green terror cichlids (suggestions for a number?)
Others:
-(1) arapaima
-(1) alligator gar
-(1) indo-pacific tarpon
-(5) widebar datnoids
-(2) silver arowanas
-(?) temensis peacock bass (suggestions for a number?)
-(?) orinoco peacock bass (suggestions for a number?)
-(1) marbled clown knifefish
-(1) marbled swamp eel
-(1) black arowana
-(2) albino giant gouramis
-(1) bowfin
-(15) bala sharks
-(?) red belly or black pacus (which species is more peaceful? which has the potential to look better as an adult? what numbers do you recommend in a tank like this?)
-(6) largemouth bass
-(1) south american lungfish
-(3) endlicheri bichirs
-(4) ornate bichirs
-(1) delhezi bichir
No to the pike cichlids, can't afford to have those guys eaten by anything, they're small enough and they're expensive! I'll either do convicts, sunfish, or nothing to replace them.