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Originally Posted by Quagmire
This part isn't quite right.Calfo was saying to use aragonite,with the flow of water fast enough to keep particles from settling onto the sand.As long as the flow is enough,the sand wont clump.He also said silica was fine if you dont have easy access(or cheap)aragonite.But what ever sand you use,it seems according to Calfo the trick to making it work is the water flow.If the flow is too strong the sand washes out of the bucket,if its too slow the particles settle in the sand,and you end up with a live sand bed with all the problems of a deap sand bed,but not many of the benifits.I haven't set one up yet,but I read the whole thread a couple weeks ago and plan on trying it.Damn thread took 2 days to read.
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The shape of the partticles of aragonite are more suitable for this, that is what the guy on RC was saying anyhow.