Filter Foam PPM?

  • We are currently upgrading MFK. thanks! -neo
I plan on having filter socks the 10PPI foam and then the 30PPI foam in the next chamber. A chamber of MarinePure 1.5" spheres 2 gallons and then the 45PPI foam. My sump is a 75 gallon so I have plenty of space for other stuff. I'm thinking of a chamber for live plants.
 
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