A ready to use kit that fits into your lab coat pocket.
Rapid and convenient.
Easy to handle.
Range: Hardness 4 - 21 °d <3· > 4 · >7 · 14 ·>21
Ideal to monitor water hardness, especially suitable for boiler testing, aquaria and laundries. Semi-quantitative results can be obtained between 10 and 120 seconds.
The colour charts are adjusted and checked using certified standard solutions that are directly traceable to primary NIST standards.