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Water Hardness Test Strips

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£9.06 (inc VAT) £7.55 (exc VAT)
0.10 KGS
Calculated at checkout

 Product Description

Water Hardness Test Strips


The Water Hardness test strip is calibrated to measure the water hardness in increments of 0, 50, 125, 250, and 500ppm, and is also calibrated at 0, 3, 7, 15, and 30 grains per gallon. It will be able to determine whether you have hard or soft water in just seconds. The Water Hardness test strip measures water hardness due to calcium carbonate. The bag contains 50 strips. 


  1. Remove one Water Hardness test strip from the bag (reseal the bag as soon as possible)
  2. Do not touch the test pad with your fingers.
  3. Completely immerse the test pad into the specimen for 1-2 seconds.
  4. Remove and compare to the colour chart within 15 seconds.

NOTE: The pH of the water can affect the reaction of the Water Hardness test strip. The test paper is buffered to provide the optimal pH for a colour reaction, however, highly acidic water may not fall within the boundaries of this buffer. Therefore, if the water being tested is highly acidic, we recommend you alkalize the water sample to neutralize the pH before testing for hardness.



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