Review on Camco 41197 TST Ultra-Concentrate Orange Scent RV Toilet Treatment - Formaldehyde-Free Breakdown for Waste & Tissue - Septic Tank Safe - Treats 16-40 Gallon Holding Tanks (1 Gal) by Mike Rice

I have been a motorhome for over a decade and have tried the full range of RV tank treatments. From blue drops to fashionable and expensive procedures. This orange thing is definitely the best odor control solution. A few ounces and you just won't smell anything. It's actually one of two parts of my black nail care routine. Every year on our final hike, I fill the tank about 2/3 full before we camp and add another product called Digest This, which does an excellent job of breaking down paper, solids and leftover food. It gets sprayed on the way home, and then I let it stew for a couple of days. Then I drain it, fill the tank with fresh water and drain it again. Finally I add about two quarts of water and a few ounces of TST Orange to the aquarium and she is ready for the winter. Then I always add a few ounces of TST Orange during the camping season when I throw away the black tank. The result of this two-part process is an odorless reservoir and sensors that generally work (although they can become a little loose towards the end of the tourist season - fairly typical of what I understand). Definitely during the day - for everyday use this is a great product for controlling odor and maintaining flow. In this highly concentrated bulk bottle format, it's exceptional value too. Highly recommended!