CULTURED DETRITIVORE KIT If your sand doesn't look "live", it likely isn't. Sure, there may be great microbial colonies, but you need some CRITTERS! Unpacking & General Information Our Detritivore Kit will is a great "starter" that can effectively seed a 55-gallon tank. We limit orders to one kit per purchase. The starter kit special is approximately 20% off of the sum of the list prices. Additional critters can be purchased individually. Click here for individual pricing. Each kit includes: Mysis Shrimp: Few adults,  50-100 juveniles Gammarus Shrimp: Couple adults: several juveniles Other Amphipods, Copepods, Etc.: Non specific selection/numbers Miniature Brittle Stars: Six Baby Bristle Worms: Twelve + The following selections may also be included in your Detritivore kit.  (based on availability) Stomatella Varia: Three Peppermint Snails: Five Micro Stars: Five Bristle Worms are completely reef safe. In fact, for the money, they are the best detritivore in the kit! Don't forget! Chitons, Spaghetti Worms, Stomatella Varia and other organisms can be purchased individually. See Our Pricelist for specific items.