Total hardness is a measure of the calcium and magnesium ions in the water, referred to as the ‘hardness’ of the water. Some aquatic species prefer ‘hard’ water, and some prefer ‘soft’ water.
Total hardness can be measured using our Hardicol reagent (AP254) on a Palintest photometer. This will give a result for total hardness in mg/L CaCO3.
Sometimes the unit’s dH are used for total hardness. To convert this result to dH divide by 17.8, as 1 unit dH equals 17.8 mg/L as CaCO3.
27th July 2021
Lightweight and handheld, our new Lumiso photometers are designed for complete portability to perform testing, anywhere. Our new digital photometer is built on the same reliable Palintest technology, but now with new and improved features.
12th July 2021
Our latest Halma campaign is one that is very close to our hearts at Palintest. Joining forces with WaterAid, the Water for Life campaign which spans over two years aims to help tackle the global issue of water accessibility and quality.