The bauxite has a low mineral content.
Water in wells tends to act as a solvent, and generally has a higher mineral content.
Hard water — water with a high mineral content — can be treated with a conditioner.
The mineral content of the substrate they're growing on affects the taste, too.
The advantages of this diet include insects' high levels of protein, vitamin and mineral content.
More likely, the benefits of the water used in the study are related to its high mineral content.
"They were using our water because it has a nice mineral content," said Jason McClellan, manager at Olde Burnside.
Researchers theorize that the extra mineral content of the diet might help the kidneys regulate blood pressure.
These chardonnays have excellent structure, with a core of acidity, ample mineral content and a youthful zip.
"It's these foods that give them their wonderful 'gamey' flavour and high mineral content," says Robert.
Those soils are derived from crystalline rocks of high mineral content.
