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The fact that your filters are clogging up so fast is a testament to their effectiveness. I run two canisters, one with a micron cartridge and the other with just biomedia, off a Iwaki 40rlxt, which is better suited for circulation, and I still get 2-3 months out of one cartridge. Granted, your...

Honestly with the price of PVC being so cheap you should just get another piece, it's really not worth risking it if you don't know what the residue is.

I wish someone would get some footage of Datnoids in their natural habitat so that we can see what kind of colors they need to camouflage. On one hand it doesn't make sense for fish that are stressed to become more vibrant and stand out more (unless that's what their environment is like) because...

If you're directly comparing them then the FX5 is the better filter, but just like comparing the FX5 and Eheim 2260/2262, you have to take price into account. For the price of one FX5 with media you could get two Eheim 2217 with media. If you're dead set on spending $250-300, I would go with two...

If you can, set it up with multiple ball valves and a bypass so that you can backwash. I usually change/clean the cartridge every two months, but if I had installed the bypass I'd imagine you could probably go a year if you're diligent enough with your backwashes. Instead of the OC's, I'd...

I think they're both owned by the same parent company or something like that, so they probably just tinker with existing products a little and sell it as a completely "different" item.

This is my setup, it's a 120 with 2 overflows that drain into a 55, where two turtles live. From there a external pump pushes water through two canister filters, one with a pleated cartridge and one with bio media, back up to the 120. I also have an Eheim 2217 running, and my heaters are...

I don't really want to get into an argument with you, as I've said many times that Eheims are great filters, I own 2 myself. Look through my thread, I know exactly how sumps work and I also know what it takes to maintain both filters. You're implying that Eheim's will have a longer service time...

No the reason why most hobbyists use Eheims are because Eheims are more convenient and more available to the general public, and people also don't want to deal with PVC connections and external pumps. I actually use Eheims and OC's on my 120/55 setup, and I've got to say they're both superb...

Honestly I don't know why you would ever want to do this, they have module filters like Ocean Clears that are IMO better than Eheims for this application, more customizable, and cheaper (especially since you can always find them used). Eheims are great because they are standalone filters that...

I have both and I've got to agree that the Nu-Clears are easier to open and maintain, a major plus since I have to clean the cartridges once a month. I'd look into getting them used, I got both canisters, a pump, and cartridges for around 150 total.

Don't forget about the Honda S2000, cheaper and better performance than the Z4.

As long as your tank's healthy and the parameters are good there's no need to worry. Most people have too much filter media anyway, which isn't necessarily a bad thing, but bacteria growth is usually limited by oxygen and bioload, not the lack of surface area on filter media.

Not mine but if it's in a reasonable condition it's a hell of a deal http://washingtondc.craigslist.org/mld/for/1880644123.html

I'd be interested got any pics?

I think the general problem everyone is trying to say is that if one pump should fail, and there aren't check valves on both outlets of the pumps, then the remaining pump's flow will take the path of least resistance and just flow back through the broken pump, and you would be left with no...

I've "heard" the Velocities are dead silent, but they impart a lot of heat into the water as opposed to fan cooled pumps, which are louder. All I can say about the Red Dragons are that they seem really really overpriced.

Neither. If it ain't broke don't fix it. More likely than not you already have more surface area than you need.

Yup, there the standard Eheim QD's.

Not running, no leaks at all, tubing is cut at weird lengths because I put it on a tank really low to the ground, but vinyl tubing is relatively cheap (<$5), and there's still like 2 feet of tubing.