2012Coleman wrote:
Formaldehyde does not assist in breaking down solids - it kills odor causing bacteria. Would love to have a link to this CDC study.
Google - CDC + Formaldehyde
Your will get lots of rather disconcerting information, not the least of which is the stuff is a carcinogen! Not something I have any intention of sharing with my family.
I use the GEO method and have done so for 10 years and have had absolutely no odor or sensor issues. I also use a tank flush attachment on the outflow to flush both the black and gray tanks.