NRA4ever
Aug 31, 2014Explorer
best additive
What has been the best black tank and gray tank additive for trouble free maintenance? Going to retract this question. Someone was kind enough to refer me to the search option. Thanks for the inf...
crickeydog wrote:
Been using Thetford with formaldehyde along with plenty of water for decades. We've never noticed any odor. But we can darn sure tell ya who don't use any holding tank treatment when we're parked next