01-16-2010, 01:36 PM
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Looking for advice for sump media
Changing my 180 gal salt to freshwater.
I had bio balls in the pipe to the sump. Recently saw the Seachem product pond matrix.
Might it be a good idea to use it in the pipe to the sump (which is basically a wet dry), and/or in the sump?
Since no more protein skimmer, I have a lot of space in the sump, I was thinking of putting a lot of pond matrix there (submerged), or part bio balls. However, I understand the bio balls might not work submerged.
Which of the two products bio balls or matrix - might work better (or any other suggestions welcomed), in the tower from my tank to my sump and in the sump?
And last, with a fresh water tank, how often recommended to wash out the bio balls / matrix?
Also - my sump is acrylic. Wanted to strenghten one corner adding a piece of acrylic as a support. Use regular silicon as the glue?