Hard Water Test Strip

Hard water damage will degrade your ionizer's performance and void your warranty. This hard water test strip offers a convenient way to test for hardness to ensure optimal performance from your ionizer for years to come. Simply dip the test strip into a sample of tap water for 3 seconds, remove the strip, wait 20 seconds and compare with the color block. Guide: 50 ppm or less: UltraWater Filter 51 ppm - 250 ppm: Protect your ionizer with the EOS Inline Scale Guard 251 ppm - 425 ppm: Protect your ionizer with the External UltraSpartan 426+ ppm: Protect your ionizer with the Reverse Osmosis System + Remin