What's the difference b/t the different color Poret filter foams? - The Planted Tank Forum
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post #1 of 2 (permalink) Old 06-25-2014, 02:35 AM Thread Starter
Algae Grower
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What's the difference b/t the different color Poret filter foams?

What's the difference between the blue, black, green and red Poret foams? I'm ordering 2" sheets as they suggest for canister filters and noticed that while the 10 ppi is only offered in blue, the 20 ppi is offered in black, green and red.

Besides the red that has one side as ridges, what's the difference between these different color foams?
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post #2 of 2 (permalink) Old 06-25-2014, 10:23 AM
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The only difference is in the density/porosity. The foam itself is the same, regardless of color.

I ordered a few different densities (10,20,30) from Swiss Tropicals myself in various colors, planning on packing an Eheim 2213, but after using a mattenfilter as well as Stephan's 4" cube filter for a few months now, I don't see myself going back to other forms of filtration. :-)

For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
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