I think it is not advisable to use the sand for your aquarium. It is necessary to use the coral or dolomite as best material for the aquarium. Using sand can badly affect the pumps of the aquarium. It is necessary not to use the sand for our aquarium.
It is better you can install different types of corals. You need to select the coral based size of your aquarium. You need to select the coral based on your choice. It is necessary to select the coral that can’t affect the aquarium.
You must have to select the colorful corals rather than sands so you need to install the coral based on the different colour. It is not advisable to install send in the aquarium.
Davis 
