Reply With Quotebiohome plus is a better option than ceramic rings........
Hi,
anyone ever tried biohome plus in eden501?
to replace the ceramic rings
planning to use the below:
inlet --> thin layer of filter wool --> biohome plus ---> sponge ---> outlet
any comments
biohome plus is a better option than ceramic rings........
I recommend swop sponge & filter wool.Originally Posted by lee1224
inlet --> sponge--> biohome plus ---> layer of filter wool
You must not picture an Eden 501 as a regular external filter. You can only configure half of the pot with your own media as the other half (before the outlet) has a tailor-made sponge/pipe construction. So the last part will always be the sponge.
Oh. Thanks for letting me know that. I've not seen the inside of the Eden before. Anyway typically flow is course filter media first, next is bio media then last is wool to remove any small particles. So bro lee1224 can either stick to that configuration or just use another sponge instead of wool in 1st part. Cos filter wool as 1st media may clog up easily.
Last edited by tonylai; 23rd Oct 2006 at 10:22.
Resistance is futile, you will be administrated!
There are reasons for the recommended order of media. (I haven't examined the Eden 501, but this based on generic external canister filter design)
The first in line is ceramic rings. The small channels in and between ceramic rings break the one large current into many weaker currents. The weaker currents are unable to carry larger and heavier debris and allow them to fall to the bottom of the filter, and not clog up the finer filter media. (This is also why, in canister filters, water flow from the bottom up and not top down.)
Next up is usually the coarse filter pad, which stops the "medium" debris that do not get dropped.
Then you get the biological media. Biological media must have very fine, microscopic and dark channels thru which water would flow. The bacteria that we want are suppose to colonise these dark channels. If the channels get clogged up, the bacteria will starve and die. That's why we are suppose to change biological media regularly (every few months) to ensure optimum efficiency. Just rinsing them a few times a year won't do much good because its quite unlikely to unclog the fine channels.
Fine debris that get through the coarse filter pad flows thru the gaps between the biological media.
The final fine filter pads are meant to stop the fine debris from re-entering the tank.
Vincent - AQ is for everyone, but not for 'u' and 'mi'.
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A woman: without her, man is nothing.
This is what the Eden 501 looks inside. The round sponge is actually hollow in the middle with space for a tube that is to be directly connected to the pump pushing the water out. The inflow goes down the first half of the pot (filled with the ceramic rings), below the divider, up through the sponge into the outlet.
As the pictures aren't available anywhere (at least not in any acceptable quality) I quickly scanned them from the manual.
I have removed the tailor-made sponge and replace both compartment with Biohome Plus and Eheim Substrate Pro. Both the compartment can hold about 1.5L of media. This is a fine filter wool just before the impeller to polish up the water.
so lets say i keep the sponge where it is
can i just leave my config as filter wool then biohome?
or should i use some other config with other media materials?
I was pondering doing the same thing, does the pump still work as good without the tube? Does the filter wool clog up fast?
I would very much like to replace both compartments with a mixture of coarse and fine filter wool (JBL Symec Mix) I've had really good experience with. The Eden's filtering capabilities can be better compared to large internal filters rather than full-grown external filters anyway ...
Resistance is futile, you will be administrated!
Hmmm... considering the construction of the Eden 501, I would go with the original media setup that comes with it. Let the water flow thru the ceramic rings and get filter by the orginal filter sponge. Perhaps mix in some biohome amongst the ceramic rings, but allow enough ceramic rings to facilitate water flow. My concern is that the gaps between pieces of biohome may not be large enough to allow large debris to flow thru and get clogged up. Fine filter wool before the biomedia will accumulate decomposing organic material and that will support colonies of a differnt kind of bacteria which may spread and take over the bacteria that we want (because they multiple a lot faster. This I read in an article that has since been removed). Similarly if decomposing organic material gets stuck between pieces of biohome. In the original setup, debris is more likely to get stuck on the original filter sponge.
Given the Eden 501 setup, I would rinse the filter media regularly.
Vincent - AQ is for everyone, but not for 'u' and 'mi'.
Why use punctuation? See what a difference it makes:A woman, without her man, is nothing.
A woman: without her, man is nothing.
hmm... certainly given me food for thought.
so instead of playing around with this config and or that
we just stick to all the original media - don;t change and don't add anything
not even a filter wool... just let the water inflow to the ceramic rings directly then to the sponge and out
my basis of adding the filter wool was to collect the debris before it hit any of the other media
afterwhich i would just chuck the piece monthly and replace with a new piece
but i did notice that the filter wool addition does reduce flowrate by a bit
maybe my filter wool is too thick!
lee1224, if you are using Eden 501 for planted tank, you don't have to worry about excessive waste. I'm currently using one for a 12l (1 foot) planted tank and I only wash the filter media once every 3 months. There is no large buildup of waste whenever I wash the filter.
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