SimplexHealth Total Hardness Test Strips (50 strips)

Price:£12.99£11.99Save: 8% off
5 out of 5 stars Friday 03 January, 2014 By Kat Lendacka
These Hardness test strips are easy and simple to use and give a reliable result. Just dip the test strip into your water and after a few seconds read the result. We had a softener installed and needed a test strips which we can use to regularly test its performance. Great product!