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Here is a quick hard water ppm chart that gives you a spectrum of water hardness in parts per million (ppm): Scale Of Water Hardness (From Soft To Very Hard Water) The internationally recognized water hardness scale recognizes 4 water hardness classes; from soft, moderately hard, hard, to very hard.
- PPM to GPG
ppm To gpg Water Hardness Chart. We have converted 1 to 1000...
- PPM to GPG
Water Hardness Reference Chart Water Hardness Description Grains Per Gallon (GPG) Parts Per Million (PPM) Soft Water Less than 1.0 Less than 17.1 Slightly Hard 1.0 to 3.5 17.1 to 60.0 Moderately Hard 3.5 to 7.0 60.0 to 120.0 Hard Water 7.0 to 10.5 120.0 to 180.0 Very Hard 10.5 and over 180.0 and over
This document shows a Shore hardness scale cross reference chart. It lists the Shore A, B, C, D, 0, and 00 hardness scales from extra soft to hard and their corresponding hardness values to allow comparison between the different scales.
Hard water is rich in minerals such as calcium and magnesium, which is the cause of “scale” in kettles. Water hardness is usually expressed as the number of parts per million (ppm) of calcium carbonate present in the water (see Table 19).
1 Μαρ 1993 · PDF | Water hardness is important to fish culture and is a commonly reported aspect of water quality. It is a measure of the quantity of divalent ions... | Find, read and cite all the...
Water Hardness Scale Table: Classification. Hardness in mg/L. Hardness in ppm. Soft. 0–60. less than 60. Moderately hard.
Hardness and Scale Factsheet. Hard water is water that contains calcium and magnesium salts. Water taken from underground boreholes in limestone or chalk rocks tends to be hard, because the naturally occurring calcium and magnesium rock minerals have dissolved into the water.
