What is General Water Hardness ?

General water hardness is the measure of calcium and magnesium ion concentrations in water. These ions are present in all waters except for deionized / distilled water. A reading of greater than 200 parts per million (ppm) will have a high concentration of calcium and magnesium ions. This water is hard water. Where as a concentration less than of 100 parts per million (ppm) is soft.

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s