Mixed culls/ skittle packs, grade B shrimp x20 + 4 Extra Shrimps with FREE next day Shipping, Free guppy grassculls are basically shrimp that don't qualify to be graded as high grade so I remove them to keep my high grades breeding true. culls are from my blue/red/yellow/orange/brown/white tanks these have less consistent or lighter colour.great for beginner as they are cheap but still colourfulThe 4 extra shrimps are to cover any deaths on arrival.These vibrant and hardy freshwater shrimp are ...