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Old 03-16-2015, 03:04 PM   #4
therink
Senior Member
 
Join Date: May 2010
Location: Rochester, NY
Posts: 1,605
Congrats on the trailer. I like that floorplan.
as far as the black tank flush goes this is what I do and I never have odors.
1) only dump when tank is at least half full. If it isn't, I ad water before I dump
2) after dumping I flush with valve closed for about 3 minutes (do not get distracted here), then dump and repeat process again.
3) I then flush with valve open until water is clear.
4) I then close valve and continue flushing for a couple minutes to add about 5 gals water to tank.
5) I add a cup of arm and hammer washing soda to the tank via the toilet with some water.
5) tank is now ready for next trip

I don't believe in expensive potty chemicals. All that is needed is detergent to break down grease neutralize llow pH and provide a deodorizing agent. This works for me.
BTW if there is a line at a dumping station, I may skip a step to avoid dirty looks.
__________________
Steve Rinker
Rochester, NY
2013 Outback Sydney 340FBH (12,280 lbs loaded-scale)

2015 GMC Sierra Denali 3500HD, SRW, Duramax, CC, SB (payload 3700)

https://i1109.photobucket.com/albums/...65/340FBH1.jpg
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