1 Brands: Tums, Caltrate, and most other brands.  Absorption: Calcium carbonate is alkaline based. It requires extra stomach acid for better absorption, so it is best taken right after meals or with a glass of acidic juice such as orange juice.
Tempered glass is one of two kinds of safety glass regularly used in applications in which standard glass could pose a potential danger. Tempered glass is four to five times stronger than standard glass and does not break into sharp shards when it fails. Tempered glass is manufactured through a process of extreme heating and rapid cooling, making it harder than normal glass.
Fire Glass usually produces more heat than gas logs. The reason being that the Fire Glass heats up and then reflects the heat back into the room, thus improving the overall heat. You get the heat coming off of the fire as well as the soothing heat from the Fire Glass rocks and or stones.The same principle goes for fire pits. By changing out old lava rock with Fire Glass, not only does the fire pit burn more efficiently but it also gives off much more heat.ire Glass usually produces more heat than gas logs. The reason being that the Fire Glass heats up and then reflects the heat back into the room, thus improving the overall heat. You get the heat coming off of the fire as well as the soothing heat from the Fire Glass rocks and or stones.