The Planted Tank Forum - View Single Post - What do people use to separate substrate from...say, decorative sand?
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Old 08-28-2012, 05:22 AM   #1
neueklare_ein
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Default What do people use to separate substrate from...say, decorative sand?

I am pretty sure that thousands of people have asked the same question. But what exactly are those plastic...thing (usually black)? Can I buy that online? Can someone show me some photos of how those things actually look like? I am very familiar with paper or paper-made stuff but I doubt if card board can work under water over a period of time at all.

Where should I buy that kind of "separator" ?
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