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Substrate for corydoras catfish

2000 Views 2 Replies 3 Participants Last post by  wendyjo
I am planning on keeping some type of dwarf corydoras catfish in my next tank. I have a few questions:

1. Which sand is best for corys? I am considering flourite black sand or tahitian moon sand.

2. Which sand has higher CEC, flourite black sand or tahitian moon sand?
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Mine do fine on both. The tahitian is finer so that might be a little easier on them but I don't see any problems with the flourite sand. The tahitian sand is actual sand so it should be inert and thus have no CEC. The flourite is made of clay so its CEC is rather high.
I have Eco complete in my tank and my dwarf corys (hastatus) are doing well and even breeding. They'll happily munch food off of plants and decor if the substrate doesn't work for them.
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