I hope so!
Looks better than gravel and ive heard the dump does not go under the sand which is definately a BIG +... I hated cleaning out gravel... every day i would find more dump under it and i would have to empty my whole tank just to clean all of it out.
one thing you will have todo is churn up the sand every now and then... what I do is stick my arm in and run my fingers through the sand. There will be a bunch of trapped gas. I do this a cpl times a year and takes a min todo