Hi,
I have a 60 litre tank planted with Elodea Densa, Java Fern (on bogwood), a couple of Crypts and Anubias on stone. I have about 2" of 2-4mm quartz gravel as a substrate .
My tank includes Penguin tetras, Danios and 4 Corydoras but I have heard Corys prefer a much finer substrate and I am...