The short answer is yes...and yes.
You can use "reef bones" for the base of the structure and then seed it with LR
. Reef Bones is actually a brand, but it is basically dry LR
. There is nothing living at all on it. Then seed it with how ever much LR
you can afford and let it do its thing. The more LR
you have, the shorter the "seeding" period will be.
. I would toss a small piece of LR
in with some Argonite sand, (it can be cured in a rubber maid tub) and let it cycle. Thats all you really need to do to cure the sand. Heat the water and keep it moving with a power head and you should be fine.
Important! Make sure its argonite. If your unsure, pour vinager on a small amount of it...it should fizz.