Friday, March 18, 2011

Tennant ec-H2O™ Claims Cannot Be Verified: Third Independent Tests Confirm ec-H2O Performs No better Than Tap Water

Nilfisk-Advance recently released a third set of independent test results related to Tennant’s ec-H2O cleaning performance (electrically-activated water used in today’s professional floor scrubbers). The third set of independent tests measured the cleaning performance of ec-H2O relative to plain tap water using Hucker’s soil, an industry-recognized soil containing no petroleum products and used to test the performance of surface cleaners. The Hucker’s soil testing showed no performance difference between a Tennant scrubber using ec-H2O and the same scrubber using only plain tap water.

“These current test results complete the scientific picture showing that ec-H2O performs no better and no different than plain tap water when used in a commercial floor scrubber,” said Michael Fenger, General Manager, Product Marketing, EMEA/APAC for Nilfisk-Advance.

Nilfisk-Advance previously commissioned two separate independent tests to measure Tennant’s claims regarding ec-H2O’s performance. The first test used ASTM D4488 soil and showed that ec-H2O water performed no better than when the same scrubber cleaned with plain tap water. Those results also indicated that when cleaning with ec-H2O, the scrubber did not clean as effectively as when the scrubber cleaned with tap water and detergent. The second independent test measured the performance of ec-H2O relative to plain tap water to reduce ATP (adenosine triphosphate). That testing showed that a floor scrubber using ec-H2O reduced ATP to the same level as plain tap water.

To read the entire release, please visit

To see FAQs and all the independent test results commissioned by Nilfisk-Advance, please visit

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