Yes ofcourse you can have them in your saltwater aquarium. You have to provide some space in your tank with good sand and feeding sand dollars is easy, for they mostly eat suspended organic matters and other fish wastes.
Sand dollars cannot eat honey. Sand dollars cannot find honey anywhere in their natural surrounding. They live in ocean beds and if you have one in your aquarium you have to feed it with particular fish foods or else if your tank has other fished it will survive feeding on their wastes.
I don't see why not.
Its the rock, sand, gravel, whatever on the bottom of an aquarium.
You mean substrate?
because the fish want it
You can safely put 2ml into the 10l aquarium
I have a 120 Gallon aquarium with sand. They love it.
a terrarium empty.
sedimentation
In the sand
Sand Masters - 2011 Aquarium of the Pacific 1-12 was released on: USA: 21 August 2011
You can not cheat to get sand dollars. You have to work for it, or you have to buy it.