What to Replace? Substrate? Or Filter?

  • We are currently upgrading MFK. thanks! -neo

Steveo McNello

Plecostomus
MFK Member
Dec 30, 2010
2,009
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SW Burbs of Chicago
Yet another dilemma over here... :(

So I have a 125, freshwater, non drilled, with tan sand. My FX5 intake is probably a foot above the sand and I still get a ton of it in the filter. I'd rather not bust my favorite filter I've ever owned.

So here's the hard part...

I have no idea where to begin calculating sump sizes and what not. Is a sump better to use with sand? And I would prefer to keep my sand because I was going to plant my tank, and plants don't hold as well in torpedo beach gravel even though it's some tiny stuff. I also just bought stuff for a CO2 set up.

Right now I have a baby silver aro and hybrid cat in my growout tank, and I know the hybrid will only throw more sand in the FX5 once he gets some size.

I have been interested in discus for a long time. They won't stir up much sand, correct? Keep some plants and the sand with my FX5 with some discus?

Thoughts on what I should do?
 
What kind of sand do you have?

Pool Filter sand won't move around as much. Loads of people use sand with FX5's, with no problems.
 
I've never used that kind of sand just PFS (pool filter sand) and it doesn't get cloudy.

Hopefully some others can help.
 
your sand sounds comparable to play sand which is significantly lighter than pfs. Plans sand will linger in the water column like flakes in a snow globe where pfs just drop like a penny in a fountain.
 
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