75156116
Aug 23, 1996
Jun 9, 1998
Active Trademark
chemical indicator sticks, namely, paper test strips used to measure water samples for free chlorine, high free chlorine, total chlorine, iodine, iron (Fe+2/Fe+3), copper (Cu+1/Cu+2), peroxide (H2O2), nitrate nitrogen, nitrite nitrogen, pH, total hardness, and total alkalinity
Chemicals