For use only on Black & or Gray RV Holding Tanks. You can order one, three or ten of 12 tablets per pack of San-T-Tabs. One tablet goes into the San-T-Bottle when flushing RV.
Treatment helps prevent odors in your RV's holding tanks or your portable toilet
Also lubricates valve seals
Non-toxic, biodegradable formula
Formaldehyde-free
Scent free - eliminates odors instead of masking them
