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  Topic Review (Newest First)
07-12-2011 11:43 PM
demonr6 Wasserpest, check this link out.. I have one of their internal filters I have been using for months now and am quite happy with it. Also I am using one of their heaters.. not horribly expensive and I cannot complain.

I was thinking about one of their powerheads for the 20 and 55. For the 55 I can run dual pumps, one with the add-on UV attachment and rig a sponge filter to that as well. Thoughts?
07-12-2011 06:36 PM
Wasserpest
Quote:
Originally Posted by demonr6 View Post
Quick question.. I was looking into this for a 20 gal and 55 gal tank, how many gph respectively would you recommend for each pump? For the 55 gal would I be better off with two pump setups, one on each end maybe? Thanks!
I'd suggest an AC20 for the smaller tank, a single AC50 for the 55gal. If you go with two pumps, perhaps 2 AC30's for a densely planted jungle, or 2 AC20's for something more iwagumi-like.

Quote:
Originally Posted by captmicha View Post
Why operate the water pump upside down?? Why does the sponge need to be on the top?

I apologize if this has already been discussed.
No problem... it doesn't need to be inverted, but this makes maintenance easier. Unplug the pump, and pull the sponge up to clean it. If the sponge is on the bottom of the pump, it takes a bit more finagling to get the sponge off and on again, more so in (heavily) planted tanks.

If you inject CO2 this way, inverting the pump also reduces the chance of an airlock in case the power goes out.
07-12-2011 02:28 AM
kamikazi
Quote:
Originally Posted by sevenyearnight View Post
I made a ghetto spray bat to divert the strong single current, works well so far.
Got a black plastic water pipe, some small spout like things, a plug. Drilled holes, inserted spout things. No more monsoon.
could you give some more details on this and possibly share a pic or two of it?
07-10-2011 07:14 AM
captmicha Why operate the water pump upside down?? Why does the sponge need to be on the top?

I apologize if this has already been discussed.
07-08-2011 05:22 PM
demonr6 Quick question.. I was looking into this for a 20 gal and 55 gal tank, how many gph respectively would you recommend for each pump? For the 55 gal would I be better off with two pump setups, one on each end maybe? Thanks!
07-07-2011 09:01 AM
sevenyearnight I made a ghetto spray bat to divert the strong single current, works well so far.
Got a black plastic water pipe, some small spout like things, a plug. Drilled holes, inserted spout things. No more monsoon.
07-07-2011 08:47 AM
colisalalia Update:

I used a rubberband to hold the sponge on. I found the suctions to hold the powerhead to the wall.

The flow is still fast. I pointed it up towards the surface which helps. But it still makes the fry have to swim as fast as they can. They sometimes get tossed and trashed in the current. If it was on all day they would have to be sprinting all day instead of eating.

So twice a day I chase them away from the front of it and turn it on for a few minutes. The whole tank moves so they can only find spots that have a little less strong current.

I hope they can take the current once they are bigger.

I should maybe find someone that wants to trade for the AC 20.

Christy
07-07-2011 03:26 AM
jasonpatterson
Quote:
Originally Posted by shiloh View Post
forgive me if this was mentioned, i didn't feel like reading the whole thread.

I would be a bit concerned about the bacterial colony. Doesn't wringing the sponge out to remove the detritus also take some of the beneficial bacteria with it?
Sure, but bacteria multiply quickly, and unless you're washing it in hot/soapy water, or perhaps extensively in chlorinated water, it isn't nearly enough to kill the filter's effectiveness. The cost in temporary loss of bacteria is more than made up for by the increase in flow.
07-06-2011 09:58 PM
E.Eliveld It's in Dutch but the pictures are clear enough.

http://www.eliveld.nl/articles/blogs...0205/0205.html
07-06-2011 07:48 PM
caronsd Bump for this topic, same type I use, cost me $30 total for extra sponges and everything. Works great. I came across the idea of using this when I went over to Ken's house from Ken's fish. Works like a charm right now, I even have a pipe coming off the powerhead which disperses the water into a nice even flow across one wall of my corner tank right over to the other. I've always used sponge filters in my tanks, quiet and cheap to run but this is the first I combined with a powerhead. Usually i used air pumps and varied flow for suction power.
07-02-2011 03:44 AM
smannell I've used a similar setup for over a decade for my 55 gal community tank. It works great. I didn't want to see any equipment in my main tank, so I have the Hydro-Sponge and a submersible pump in my sump tank, and then a small vertical return line (spray bar) in one corner which is easily hidden by plants. I can clean the entire thing without ever touching the lights or glass top.

The other thing I really like about a setup like this is that when baby shrimp or fish get sucked up by the siphon tube, they can just live in the sump tank until they are big enough to catch. The sponge filter makes a perfect feeding ground for shrimplets. I've rescued a few baby tetras over the years (never saw the spawn), and recently over a dozen little ghost shrimp.

I'm planning on setting up a small shrimp tank soon, and am going to use something similar to this on that as well. Right now I'm planning on building a rock waterfall in the corner which will hide the sponge and small pump.
06-29-2011 09:53 PM
Wasserpest No prob, it's pretty overwhelming...

You are right, some of the beneficial bacteria will be flushed out along with fish poop and other stuff when cleaning the sponge.

If you squeeze the sponge in a bucket of tank water, there will still be plenty of bacteria left, eager to repopulate the thing. Don't use chlorinated water to clean the sponge if bio filtration is the main purpose.

Most planted tanks have a great capacity to remove ammonia and nitrites (plants like them), so unless the tank is overstocked it shouldn't be an issue for most of us.
06-29-2011 08:50 PM
shiloh forgive me if this was mentioned, i didn't feel like reading the whole thread.

I would be a bit concerned about the bacterial colony. Doesn't wringing the sponge out to remove the detritus also take some of the beneficial bacteria with it?
06-16-2011 05:08 PM
kamikazi Thanks, sounds like if I go this route I will have to do a bit of rescaping but I think it will be worth it.
06-16-2011 04:47 PM
Wasserpest The sponges I have cut in quarters are called "Oxygen Plus", sometimes sold under the Azoo brand. This one is #10, and it is 7 1/4" in diameter, and 4" high (never mind the sizes given on the website).

There is also a #4 sponge from the same series which is not as wide and could be used in its entirety. Don't see it for sale right now at the Drs.
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