A 2.5 % (w/w) solution of HYDRO L.O.G.® was examined in accredited microbiological testing laboratories according to DIN EN 13623:2010 against Legionella pneumophila (ATCC 33152) at pH = 8 with addition of 0.0005 % yeast extract to simulate cooling water. Exposure times were 15, 30, 60 and 120 min. Water of standardized hardness (WSH) and non-modified 7.5 % (w/w) hydrogen peroxide were used as controls. The results are shown in the figure below.


curasolutions hydro log results 


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