feeding the clean up crew

[exodus7627]

I have a 12 gal jbj dlx and want to know how much food i should be feeding it. I purchased the Saltwater Multipack Cubes. Below is what is in the tank right now.
4 NASSARIUS SNAILS
5 ZEBRA STRIPE TURBO SNAILS
4 CORTEZ RED LEG HERMITS

 

[yoc-reef]

you dont need to feed as long as your tank is established, they will just feed off the rock and in the sand bed, if you feed you will have algae problems...