With a few exceptions,
Most chemical holding tank chemical products are relatively environmentally friendly...Thetford and Starbrite are the only ones still using highly toxic chemicals (formaldehyde, gluteraldehyde, and quaternary ammonium compounds). Although still popular in the RV market, fewer and fewer boat owners are using 'em. Raritan K.O., Odorlos, and Headzyme are all non-chemical organic treatments that work with nature instead of polluting it. K.O. is live aerobic bacteria...the active ingredient in Odorlos is nitrates, and Headzyme is enzymes. Not only are they more environmentally friendly, but they're far more effective in eliminating odor than chemical products.
Most chemical holding tank chemical products are relatively environmentally friendly...Thetford and Starbrite are the only ones still using highly toxic chemicals (formaldehyde, gluteraldehyde, and quaternary ammonium compounds). Although still popular in the RV market, fewer and fewer boat owners are using 'em. Raritan K.O., Odorlos, and Headzyme are all non-chemical organic treatments that work with nature instead of polluting it. K.O. is live aerobic bacteria...the active ingredient in Odorlos is nitrates, and Headzyme is enzymes. Not only are they more environmentally friendly, but they're far more effective in eliminating odor than chemical products.