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Old 05-01-2006, 04:01 PM posted to rec.aquaria.freshwater.plants
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Default Laterite substrate?

Laterite IMO works best when mixed with a little gravel or sand. It is
not necesary to put sand over it, but it may help keep the cloudiness
down a bit initially if you do. Sand is not the best substrate
material for planted aquariums though unless it is a coarse sand of
arounf 2-3 mm.