Camco TST Ultra Concentrated 30 Pack Drop Ins

Eliminates odors and helps break down waste and tissue in your RV's black water holding tank
The drop-ins are RV and marine approved
Non-formaldehyde and safe for all septic tanks
Even great for portable camping toilets!
Great Smell: Fresh citrus scent.
Not Made with Bronopol: Does not contain the toxic, formaldehyde releasing ingredient bronopol
Safe for All Septic Tanks: Drop Ins are 100% biodegradable
Ultra Concentrated Formula
The toughest odor stopper; just one drop in treats up to a 40 gallon tank