I leave mine in as well. I only feed a 1/4 sheet and it never lasts. I have a large turbo snail that usually gets up there and steals from the tang.
My clown and damsel eat off it too.
The little bit in the clip really stinks when I remove it to add another though.
*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,