Minimum Sump Mechanical Filtration

  • We are currently upgrading MFK. thanks! -neo

What is the minimum micron size you use in your sump ?

  • 200 + micron

    Votes: 3 21.4%
  • 100-199 micron

    Votes: 6 42.9%
  • 50-99 micron

    Votes: 3 21.4%
  • 26-49 micron

    Votes: 2 14.3%
  • 11-25 micron

    Votes: 0 0.0%
  • 0-10 micron

    Votes: 0 0.0%

  • Total voters
    14
I use 200, 100, and 50 micron socks. The 200 does a pretty good job with clarity and for the most part is what I use since I get three or more days 'tween service intervals.

The 100 and 50 do give better water clarity but in my case not that great a difference and they need to be changed twice a week with our bio load and feeding habits.
 
Washed. The basic type felt socks can last me 6 - 7 months before they are trashed and are very easy to clean. Just take it outside and give it a go with the hose, let it soak in some dilluted bleach for a bit, rinse well and its ready for reuse. Some toss em in the washing machine.
 
I use poly-fil traditional batting from the fabric store. Don't know the micron but I change it about every 5-7 days. Depends on how much I feed.
 
At the moment I use 4" coarse sponge on the flow in to the sump and then I use 4" thick layer of fine sponge and a 2" layer of fine floss.
I am changing this around though and it will be 4" fine sponge with a 200 micron pad on top at the inflow and then 8" of fine sponge and a 100 then 50 micron pad on top. The 100 micron is not definite. That should see me fine for mechanical filtration.
 
I use a 100 micron sock with a 50 micron sock inside of it. Tank stays clean and I have to replace it every three to four weeks.
 
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