Review on The Ultimate RV Holding Tank Treatment: Thetford AquaBio 96604 - Citrus Twist Scent, Formaldehyde-Free Liquid - 6 Pack of 8 Oz by Kelly Noonan

We ordered this option as opposed to the other options (and there are many) because the toilet has separate measuring reservoirs for six refills. Last time we bought little cellophane balloons and they had to be thrown away because they stuck together and became unusable, we couldn't use them fast enough. This was especially true during the Covid event when no one could go anywhere. Although we haven't used them, we think we'll like them.