05-07-2011, 02:16 AM
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Originally Posted by AbbeysDad
Fine filtration should absolutely be done in the first stages to prevent organic solids from reaching the chemical and/or biological media as the 'shmutz' can have a fouling counter productive affect in those stages.
For what it's worth, it appears you should service your filter more often.
I always do fine filtration very last in my canister. The more spread out it is the more stuff that will be caught via the gradient and longer the filter can run without have flow be effected. I've never seen any effect of mulm on my ceramic noodles I don't see what it could harm in the first place. The rena is setup with flow through 30 ppi sponges, 20 ppi sponges, ceramics, random AC sponges, filter floss, and more filter floss. Which is how they recommend running it....
As for cleaning canisters, it should look like that if its doing its job right. And its a planted tank, keeping mulm out of a planted tank is like keeping rain out of the rainforest
. Besides in my belief it is beneficial in a planted tank. I'm pretty sure half the substrate in my smaller 20 gallon consists of that stuff.