Quickly check if your water softener is working with this simple YES/NO total hardness water test kit. Contains 10 tablets for multiple tests. Ideal for domestic and industrial water softeners. Results in seconds: red means hard, green means soft. Easy to use \u2013 just add tablets to water sample in the bag and shake.\n\nTotal Hardness Water Test YES/NO 10 Tablets Water Softener Test Kit Fast Easy\n\nSeller Info\n\nUK Seller\nUK Stock\nBrand New\n\nFast Dispatch\nUsually within 24 hours\n\n30-Day Returns\nNo hassle refunds\n\nQuick Responses\nUsually within 4 hours\n\nOverview\n\nThe SimplexHealth Total Hardness Water Test YES/NO kit provides a simple and reliable way to check the performance of your water softener. With 10 tablets included, you can perform several tests to ensure your water hardness levels are within the desired range. The test uses a clear colour-change reaction: red indicates hardness above the target, green indicates soft water. Ideal for both domestic and indun