1 x bottle of photometer grade Calcium Hardness no1 water test drops & 1 x bottle of photometer grade Calcium Hardness no2 water test drops. There’s enough in the bottles for about 100 tests, using 10 drops of each per test.

Range: 0 - 500 mg/l.

Made in Germany to ISO9001 standards, these are top quality at a great prices.

All prices on this website include gst.

Introducing our calcium hardness testing drops - the perfect solution for accurately measuring the calcium hardness of your water. Our easy-to-use drops provide a quick and reliable way to assess the quality of your water and ensure that it meets your desired standards.

Our drops are made with high-quality reagents that react with the water to produce a precise color change that corresponds to the calcium hardness level. Simply add 10 drops each of calcium hardness 1 & 2 to a 10 ml sample of water and the resulting color change can be read by your photometer for a quick and accurate reading.

Our calcium hardness testing drops are perfect for a variety of applications, including use in water treatment facilities, swimming pools, and even laboratories. 

These drops come in convenient dropper bottles and have a long shelf life. Each bottle contains enough tablets to perform 100 tests, making them a cost-effective solution for your calcium hardness testing needs.

So why wait? Invest in our calcium hardness testing drops today and ensure that your water is of the highest quality possible. With our easy-to-use and accurate testing drops, you'll be able to make informed decisions about your water and maintain optimal water quality.

 It's worth noting that while calcium hardness is an important parameter in water quality testing, it should be considered in conjunction with other parameters such as pH and alkalinity to get a complete picture of water balance.