Water Hardness Test Strips – Individually Sealed – Measure Water Hardness in Drinking Water, Ponds, Pools, Aquariums – Pack of 20

Description

Test water hardness quickly with these individually sealed strips with a simple two colour scale.
Strips show all common European water hardness units (°e, °dH, ppm, °f). Incl. six gradations: 3.75 – 6.25 – 12.50 – 18.75 – 25.00 – 31.25 °e
Test water hardness in pools, aquariums, ponds, drinking and tap water. Use in the home and garden.
Contents of pack: 20 individually packaged water hardness strips & a booklet with instructions.
A quality product made in Germany. High sensitivity for precise results. Quick and easy to use.