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Old 12-25-2012, 10:53 AM   #2
lochaber
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do you just have one layer of substrate that you mixed this into, or did you mix it into some mix of substrate, and then cap that substrate with sand/gravel?

clays tend to be made of incredibly fine particles, and will take much longer to settle out of a water column (why lake beds, mid ocean, etc. bottoms tend to form shale deposits - the only stuff that can make it out that far is fine grained clays, etc.)

If you don't have it capped, I'd suggest adding a cap. and then stuffing some floss in your filter to pull out the suspendeds.

If it's already capped, *shrugs* I dunno, try the floss/filter thing, and see if that helps?
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