How do you use calcium in a sentence?

Here are some sentences using "calcium" in different ways:

* "Dairy products are a good source of calcium, which is essential for strong bones and teeth." (Focus on health benefits)

* "The scientist analyzed the calcium content in the water sample to determine its mineral composition." (Scientific context)

* "The gardener added calcium to the soil to improve its pH balance and promote plant growth." (Gardening context)

* "The doctor prescribed a calcium supplement to help prevent osteoporosis." (Medical context)

* "The construction workers used calcium chloride to melt the ice on the roads." (Practical use)