shipposhack;105890 said:Is your small tank not filtered with fresh seawater? Do you think the DSB helps with NO3 and PO4 reduction?
Thales;105879 said:Hijack alert! There is often sand near corals in a real reef setting. I think the idea of a natural looking tank with sand isn't that it actually looks more natural, rather it is what we have come to expect to see at the bottom of aquariums.