The Planted Tank Forum - View Single Post - seachem matrix bio best ?
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Old 02-01-2013, 07:58 PM   #39
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Originally Posted by exv152 View Post
If washed thoroughly I doubt all the internal suface areas will be blocked. Making it still better than say plastic bio-media which is limited to surface area only. Costwise, if you can reuse the stuff again and again, it's a great buy. For those living near volcano active regions you can pickup pumice stone for free. Can't beat that for cost effectiveness
I'll have to see how much pumice costs at Lowes and Home Depot, no volcanoes in Northern Virginia.
I want the option of tossing it if it looks to dirty.
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