I have checked out the AquaClear 20 and 30 and have seen many reviews saying that they last about 4 months and the motor will 'un-prime' and if you don't re-prime it, it will burn the motor. Any other suggestion? (What do you use for your betts?)
Honestly I've never had a problem with them .. And I can't even tell you how many aquaclear (fluval) filters I have . I did damage one motor by being retarded.. But did fix it too . The set up is really the easiest and best of HOBs . To clean or customize your media couldn't be any easier ... And I have many that are yrs old not months .. And have a couple that are newish. They aren't self priming .. Many filters aren't .. All you do is toss water in there after or as you do your water change . Other then that you shouldn't be worried about the priming .. It shouldn't back siphon ever unless you don't keep your tank properly filled And even then if you make a mistake and forget to fill during water changes the motor doesn't die.. Unless you just let it run dry for a while. That will kill any filter motor .
Aqueon quiet flows are decent . That's the only cheaper filter I've found mostly trustworthy . I have had a couple mysteriously die without user error but not enough to concern me much about them on a whole. Not very customizable . I always end up adding foam filter media in addition to the cartridge to make it more efficient .
Of you really want the best easiest lowest maintenance best choice .. A small canister would do the best job. Eheim is best IMO .. Sunsun is good too .. There are a few others I can't think of at the moment that do make small ones that would do a great job..
Also I'll add bettas do not have different requirements in filtration then any other normal non advanced fish.
( I have though kept many bettas with all those filters I've mentioned except a sunsun .. Only have run the sunsun on my African cichlid tank ... So far)
Oh and tetras filters are trash, the penguin bio wheel filters are ..meh . Not fantastic . And national geographic should have stick with the magazine and tv and left pet care alone..lol
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