Sand is better because they can dig and sift through it.
Just a suggestion: DON'T put real driftwood in a brackish aquarium, it will start stinking to high heaven (at least all the wood I put in my brackish tank has.)
Just a suggestion: DON'T put real driftwood in a brackish aquarium, it will start stinking to high heaven (at least all the wood I put in my brackish tank has.)