Lime addition increases the calcium ion concentration, thus raising the water hardness.
This difference is caused by water hardness.
Cardiovascular disease has often been linked to water hardness as the main cause.
These are used in conjunction with water to maintain a consistent water hardness and level of metal ions.
It's important to understand the effect that water hardness can have on your fish, especially when keeping sensitive soft water species, such as Discus.
In the studies with the freshwater organisms, the water hardness for five of the six laboratories ranged between 36 and 75 mg/L.
The researchers correlated the incidence of heart attack with the level of water hardness in their communities.
Other studies have shown weak correlations between cardiovascular health and water hardness.
Calcium chloride is used to increase the water hardness in swimming pools.
The ground water in Hyderabad has total water hardness up to 1000 ppm.
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