As long as it is aragonite based it will be fine. Jagged edges in silica sand is not the same as shells. etc. I used sand and rubble rock in my fuge.
*180 gal Display, 100 gal basement sump, 33 gal refugium, 3x250 MH, 2x160 VHO actinics, zoos, some softies, LPS & lots of acros and other SPS.
*100 gal prop tank plumbed into main system w/ 2x96 PC lights and 1x150 MH,