by Type (Calcium concentration measurement, magnesium concentration measurement), Application (Industrial, Laboratory, Others), Sales Channel (Retail & Non-retail), and Region - Global Forecast to 2025 , published by MarketsandMarkets™, the Water Hardness Test Strip Market is estimated to be valued at USD 56.5 billion in 2020 and is projected to reach USD 70.2 billion by 2025, recording a CAGR of 4.4 %, in terms of value. Factors such as the rise in demand for water testing from various industrial sectors, stringent rules and regulations imposed by related government bodies with regards to water quality are projected to drive the growth of the water hardness test strip industry during the forecast period.