These dry Metallic beads replace water in water baths, aluminum blocks in dry baths, ice in ice buckets, and give old equipment a cool, Shiny, state-of-the-art look while maintaining temperatures of -20°c to 8°c for 4 or more hours. Open sources of water in the lab can put the lab at risk If incubating and spreading biological or chemical contamination between samples, equipment and people. Unknown biological and chemical contamination in water can readily enter your incubating samples resulting in distorted data and non-reproducible results. Lab armor bead technology will save you countless hours of reworking ruined experiments and eliminate cleaning. Lab armor beads extend the life of your bath by eliminating corrosion and reducing burn-out risk.