53% under what the other stores charge
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These are loose blue silica gel beads, about 3–5 mm across, sold in a 5 lb bag for bulk drying jobs. The beads are cobalt chloride indicating gel: they shift from blue to pink once saturated, so you can see when they need refreshing. They recharge in an oven at 240°F for about 3.5 hours, which makes them reusable rather than throwaway. The cobalt content is stated at 0.005%, far below older indicating gels, but it is still cobalt, so keep the beads away from food, pets and children.
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Lowest price we've seen: $13.99 on Nov 15 at eBay. Tracked across 4 stores since Nov 15.
These indicating silica gel beads absorb moisture and change color to show when they are full. The beads start out blue and turn pink when fully saturated with moisture. The package holds approximately 5 lbs of beads, each about 3 to 5 mm in size.
Silica gel is a glassy, porous form of silicon dioxide made from sodium silicate. It is purified and processed into beads. Millions of tiny pores give it a high absorption capacity. It absorbs by a purely physical process, so the beads keep their size and shape as they fill. Even when fully saturated, they still look and feel dry.
The beads can be reused. Heat them in an oven for up to 3.5 hours at 240 to 245 degrees F to reactivate them. The blue beads contain cobalt chloride, which may pose health and environmental risks. These beads contain only 0.005% cobalt chloride.
