Last week I bought the Tahitian black moon sand for my Moba tank. I put the black sand in and my mobas turned black. The black sand DID NOT bring out the blues in my mobas. I got frustrated so a few days ago I changed the substrate again. This time I went with gray playsand from Home Depot. Here's a before and after pic:
BEFORE w/Black sand
AFTER w/gray sand
BEFORE w/Black sand
AFTER w/gray sand
