A: This product is approved by the EPA. COMPOSITION/INFORMATION ON INGREDIENTS: Ready-to-use solution containing the following active ingredients: n-Alkyl (60%C14, 30%C16, 5%C12, 5%C18 ammonium chlorides (CAS No. 53516-76-0) 1.125% ) dimethyl benzyl n-Alkyl (68%C12, 32%C14 ammonium chlorides (CAS No. 85409-23-0) 1.125% ) dimethyl ethylbenzyl 3. Answer provided by:  Janice (2/14/2013)

A: Add 1/6 fluid ounce ( approximately 1/8 cap full or 1 teaspoon ) of treatment per gallon of water each time you fill with water. Answer provided by:  Janice (12/10/2012)

A: I just use about a cap full and I have a pretty big humidifier and it seems to work well. Answer provided by:  Glenda (12/9/2012)

A: recommended by manufacture Answer provided by:  Rhonda (1/10/2013)

A: This product is approved by the EPA. COMPOSITION/INFORMATION ON INGREDIENTS: Ready-to-use solution containing the following active ingredients: n-Alkyl (60%C14, 30%C16, 5%C12, 5%C18 ammonium chlorides (CAS No. 53516-76-0) 1.125% ) dimethyl benzyl n-Alkyl (68%C12, 32%C14 ammonium chlorides (CAS No. 85409-23-0) 1.125% ) dimethyl ethylbenzyl 3. Answer provided by:  Janice Seltzer (2/14/2013)

A: Add 1/6 fluid ounce ( approximately 1/8 cap full or 1 teaspoon ) of treatment per gallon of water each time you fill with water. Answer provided by:  Janice Seltzer (12/10/2012)