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Physical Water Conditioning Technic |
Nielsen Technical Trading P.O.Box 10, DK-4621 Gadstrup, Denmark Telephone: (+45) 46 19 09 90 Fax: (+45) 46 19 09 70 aqua-correct@aqua-correct.dk |
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The AQUA CORRECT conditioners are
European Technical
Approved - and Certified According to ISO 9001.
WATER TECHNIC - CONVERSION OF WATER HARDNESS UNITS.
TECHNOLOGY IN HARMONY WITH PHYSICS AND THE ENVIRONMENT.

Hard water, lime scale deposits and corrosion prevention.
The unique doubble function physical water conditioner.
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Other useful Information about Water Hardness, Click: Hardness in Natural Water
CONVERSION OF WATER HARDNESS UNITS |
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Water Hardness Unit Difinition |
International recommended mmol/litre |
Physical measures mval/litre |
America & states PPM |
English oe |
French of |
German odH |
100mg CaCO3 per 1000 ml water |
28 mg CaO or 50 mg CaCO3 per 1000 ml water |
1 part CaCO3 per million = 1 mg CaCO3 per 1000 ml water |
1 grainCaCO3 per gallon= 14,3 mg CaCO3 per 1000 ml water |
10 mg/ CaCO3 per 1000 ml water |
10 mg/CaO per 1000 ml water |
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1 mmol/litre 1 mval/litre 1 PPM 1 Oe 1 Of 1 OdH |
1 0,5 0,01 0,1429 0,10 0,1786 |
2 1 0,02 0,285 0,20 0,357 |
100 50 1 14,29 10,00 17,86 |
7,0 3,5 0,070 1 0,700 1,250 |
10,00 5,00 0,10 1,429 1 1,786 |
5,6 2,8 0,056 0,7999 0,5599 1 |
WATER H2O HARDNESS
TEMPORARY HARDNESS: Ca AND Mg BICARBONATES (precipitate minerals upon heating)
PERMANENT HARDNESS: Ca AND Mg SULFATES OR CHLORIDES (dissolve with sodium)
DEGREE OF HARDNESS EXPRESION.
SOFT: LESS THAN 1,6 mmol/l = 160 PPM = 9 odH
SLIGHTLY HARD: 1,6-3,2 mmol/l = 160-320 PPM = 9-18 odH
HARD: 3,2-4,6 mmol/l = 320-460 PPM = 18-26 odH
VERY HARD: ABOVE 4,6 mmol/l = ABOVE 460 PPM = ABOVE 26 odH
Link to related information:
The
physical properties of water hardness.
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THE UNIQUE CHEMICAL FREE TECHNIC, SAFE FUNCTION AND NO PRESURE LOSS. A LOOK INSIDE THE AQUA CORRECT GUARANTEE A FULL FREE, SMOOTH LIQUID FLOW. THE OFFICIAL FUNCTION TEST REPORTS BY SCIENTIFIC INSTITUTES ARE WORLDWIDE AVAIBLE. MATERIALS: THE BEST QUALITY ACID-DURABLE ASTM A 316Ti STAINLESS STEEL.
The
AQUA CORRECT unique physical features:
Internal free flow - No pressure loss - No
turbulence