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AQUADUR Water Hardness Test Sticks

Macherey-Nagel AQUADUR® test strips are used for simple and easy determination of water hardness. The strips give a clear colour change from green to red ensure an accurate readout.
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AQUADUR test sticks gradation: <3 >5 >10 >15 >20 >25 °dH box of 100 sticks 6 x 95 mm

Picture of Aquadur
1138890
91201
MN/91201

£35.43 (exc. VAT)
£42.52 (inc. VAT)
Qty
43 in stock
DescriptionReviews

AQUADUR® are test-strips for the determination of water hardness.

Clear color changes from green to red ensure an accurate readout. Individually sealed AQUADUR® test strips can perfectly be combined with promotion activities to inform customers about the necessity of water softeners.

Instructions for use are printed on the seal. Due to the clear design with green/red indication, a color chart is not necessary. The hardness of water depends on its content of calcium and magnesium salts.

The total assay of these salts determines the hardness of water. In the USA, it is expressed in terms of ppm (mg/l) CaCO3.

Water is often simply classified as "soft water", or "hard water" etc. The following values generally apply to these terms:

  • below 50 ppm CaCO3- very soft water
  • 50 - 120 ppm CaCO3- soft water
  • 120 - 240 ppm CaCO3- medium hard water
  • 240 - 360 ppm CaCO3- hard water
  • above 360 ppm CaCO3- very hard water

AQUADUR test sticks 55-375ppm 6x95mm

Picture of AQUADUR test sticks 55-375ppm 6x95mm
1194604
91220
MN/91220

£37.87 (exc. VAT)
£45.44 (inc. VAT)
Qty
Please call for details
DescriptionReviews
A higher range test stick for harder water.
Graduations at <55, >70, >125, >250, >375 ppm

AQUADUR test sticks 55-375ppm 6x95mm pack of 1000 in single sealed packs

Picture of Aquadur test strip in single sealed pack
1199445
91224
MN/912.24

£339.34 (exc. VAT)
£407.21 (inc. VAT)
Qty
Order now for 16 day delivery
DescriptionReviews

Graduations at; <55 · >70 · >125 · >250 · >375 ppm

Pack of 1,000 test strips each in an individual sealed paper wrap.



AQUADUR Sensitive test sticks gradation: 0.3-0.6-1.1 mg/l CaCO3 box of 50 sticks 6 x 95 mm

Picture of Aquadur sensitive
1213576
91243
MN/91243

£20.40 (exc. VAT)
£24.48 (inc. VAT)
Qty
Order now for 12 day delivery
DescriptionReviews
AQUAUDR® Sensitive water hardness test strips include all the same benefits as the classic AQUADUR® test strips, but feature a special, very low measuring range. The test strips are the perfect tool whenever very low amounts of water hardness have to be safely detected. The test strips are for example successfully used in dialysis centers to check feed water, so that the sensitive reverse osmosis units are not damaged by excess water hardness. AQUADUR® Sensitive water hardness test strips are also CE marked according to the directive for medical products 93/42/EWG. Range 0,5,10,20,ppm (mg/l)
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