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Old 07-12-2016, 05:33 AM   #1
Junior Member
Brand: Still Looking
State: Alabama
Posts: 20
THOR #4381
Best black tank chemical additive?

There are so many on the market - liquids, little pouches that dissolve in the tank... Does anyone have any brand they prefer or prefer to stay away from?

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Old 07-12-2016, 11:24 AM   #2
Senior Member
Brand: Thor Motor Coach
Model: hurricane 32n
State: Florida
Posts: 784
THOR #4158
It's one of the many subjects that gets, (for some) a lot of different opinions. I use the pouches, but also when I dump the black I flush real well then add water, a pouch and Dawn soap(about a cup). Seems to keep my sensors clean as well. Several years of this method has worked for me. Good luck !

Jerry and Debbie
2015. Hurricane 32N /Kia Soul toad
Crawfordville Fl. Vietnam Vet.
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Old 07-12-2016, 12:13 PM   #3
Senior Member
Brand: Thor Motor Coach
Model: Freedom Elite 29fe
State: Florida
Posts: 689
THOR #4656
See the GEO method, it works and I have used for years.
Homemade RV Holding Tank Deodorizer Recipe
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Old 07-12-2016, 12:41 PM   #4
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EA37TS's Avatar
Brand: Entegra
Model: Accolade 37TS
State: Virginia
Posts: 4,898
THOR #1469
As said everyone has an opinion. I use Rhino Holding Tank Treatment. I purchase the six pack of 4 oz bottles and use one bottle with every tank dump.

I used to use the pods on my prior coach until a pod did not completely dissolve and the pod casing covered and hardened around the nozzle of my black tank flush (inside the tank).
US Army (Ret)
2020 Entegra Accolade 37TS
2019 Jeep Grand Cherokee Trailhawk (Toad)
FMCA - F432054
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