It simply snaps apart clean foam media put in, snap it back together and return it to the intake side of the filter intake. Water Filtration Systems Aquariums Water Pump Pet Care Product Lawn and Garden Equipment. The concept, design, materials, and craftsmanship put t his is fantastic and it shows when working with the prefilter. EHEIM Aquaball 2208 EHEIM Aquaball 2206 EHEIM 2271 EHEIM Categories. And even at the longer time gaps the filters are generally not that bad and the time to clean them is really reduced also. I installed the prefilters and take the 10 minutes every week to rinse them out and I’ve would stretch the cleaning out to every 4 to 6 weeks depending on bio-load. I used to clean my filters every two weeks faithfully and even at that they were a mess. Having cleaner water in the filter allows it to do job better with less frequency of filter cleaning. The filter contains 2 foam balls that filter the big and heavy muck out of the water before it enters the main filters. They ae made to be strong and sturdy so they won’t beak up over time. Is there a reason you are wanting internal over external? It is just that I'm a sucker for higher turnover in community tanks, and at that size you could probably get a nice little canister with a bunch more media room and higher turnover for similar money (if you go to a slightly cheaper brand) or it might even be worth looking at the larger Penguin HOBs.These prefilters from Eheim are great and save me a lot of time and effort. They are available online if all else fails I've seen them around but I can't remember where exactly. Tetratec is available, it is just a bit boutique. As much as I can appreciate the thought and design that went into the Aquaball, I'm pretty sure that the fussiness would eventually just tick me off, so I'd get the Pick Up (well, I'd probably not get Eheim cause I'm a cheapskate, but you know what I mean ). You have adequate turnover (around 5-6x per hour), so with careful stocking both will do the job fine. There are less parts that you need to fiddle with, so less things to go wrong. It has plenty of intake down the bottom (I'd LOVE that for my SW tank, that is a good idea for tanks with a low water level!) and plenty of media room. Ordinarily I'd say that isn't a great selling point as the better access to oxygenated water, the better your bacterial colony will grow, however in comparison I think this is a good thing. With the Pick-Up, you have virtually the same specs, but you lose a lot of the flexibility and the media is more enclosed. Check the venturi nozzles on this model, as apparently some work better than others. It would also be fantastic for seeding media for new tanks. The spraybar attachment could be an interesting addition, and it gives you the option of increasing or decreasing your media capacity based on your needs. Still, it has some absolutely fab qualities which make it very tempting. Either that or you'd need to clean it very regularly which would at least partially negate the better water flow/bacterial growth as you'd be constantly disturbing it. You'd practically need to get a bucket under that before you turned it off. I have that problem with my Fluval, if I turn it off and go to remove it from the tank it just showers things in muck (not badly, but enough to notice), and it is very enclosed. On top of that, I'll bet that one just drops the debris everywhere if you go to clean it. I have no doubt that that powerhead sucks like a demon, but I'm not convinced that would compensate. The basket design of the Aquaball would end up sucking the water very unevenly depending on the media packing and debris build-up, much like the old air-driven box filters. I think the Aquaball is more flexible in its setup, but looking at both, I'd be more inclined to purchase the Pick-Up as I think the design is a bit better. First up, I own neither, so this is only from listening to others and looking at tech specs.
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