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01-24-2010, 01:34 PM
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#15
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Senior Member
Join Date: Sep 2002
Location: Kingston, Wa. USA
Posts: 1,221
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Quote:
Originally Posted by wa8yxm
I use water.. On occasion I'll clean 'em geo-style (epically if going into storage) but basically I use water. nothing else.
The geo method: Dump tanks, Rinse well, close valves and add 1/2 cup each DAWN regular (NOT anti-bacterial) Dishwashing liquid, 1/2 cup CALGON water softener, powder or liquid and 5-6 Gallons of water (I have six gallon water bottles)
DRIVE, I drove 60 miles
Dump.
Now.. If I'm parking "Off line" for a while, where I need to maximize the tank capacity.. I may add a biological (Waste Digester) type product.. But I'm not sure how much they help.
As for adding chemicals... There is no chemical that will improve tank operation (Save the list above for cleaning prior to storage) There are some that will make it worse. and fast.
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I also agree with no chems. I used some for a while about 10 years ago until I found out my problem was a mud dobber had filled my black tank vent.
I also use The Geo method. The gages work better than they have in years.
__________________
Cliff
'01 3500 Ram QC HO 6sp. BD Exhaust Brake
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01-24-2010, 09:49 PM
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#16
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Registered User
Join Date: Aug 2002
Location: Socorro, NM (until ?)
Posts: 1,552
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I had problems with my tanks suddenly being smelly until I figured out what I had been doing differently. I had bought antibacterial hand soap and antibacterial dish washing detergent at the same time. Got rid of the antibacterial stuff and it took a few weeks for everything to get better. Now we don't put any additional tank chemicals in our RV tanks.
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01-24-2010, 10:30 PM
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#17
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 28,521
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Best chemical is WATER, enough to always keep any solids covered. Don't run the bathroom exhaust fan when flushing, the fan pulls 'vapors' up into the bathroom.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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01-24-2010, 11:58 PM
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#18
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Senior Member
Solo Rvers Club
Join Date: Oct 2007
Location: Zigzag, OR
Posts: 1,061
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I use NO chemicals, but I sometimes get some odor after flushing if the BT is filling in warm weather. A few minutes of ceiling fan does a good job. But if I could eliminate this entirely, that would be nice...
__________________
'07 Itasca 35L/W22 FULL-TIMING
1000 Trails - VFW - 5 Yrs Army
"NOT ALL WHO WANDER ARE LOST"
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01-25-2010, 10:59 AM
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#19
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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Quote:
Originally Posted by deadeye916
For those not using any chemicals in tanks...are your tank level gauges still reading correctly?
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From what I read... They work as well as yours do.
Which is to ask the question: For those USING chemicals.
When you dump does it register "EMPTY" or not
Mine do after Geo-Method cleaning. or after a good power washing.. Else they will show at least 1/3 on the black, (Gay works better) but that is more or less normal till I upgrade the guage/sensor suite.
__________________
Home is where I park it!
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01-25-2010, 11:23 AM
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#20
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bnb1313@aol.com
Monaco Owners Club
Join Date: Feb 2008
Location: Western Montana on the Divide
Posts: 1,561
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No chemicals in the black or gray water tanks. I do a through flush after each dump and never have any odors. Even though I have a Sanicon system, I still wait until the black tank is almost full prior to dumping, then flush with water from the gray tank and tank rinsing system.
__________________
Bob Retired Army Traveling alone now, had to put Charlie the Beagle down :(.
2008 Camelot 40 PDQ 4 slides ISL400 towing a 2020 1500 GMC Sierra Denali 4x4 Crewcab
Western MT in summer, AZ, NV in winter
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01-25-2010, 11:37 AM
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#21
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Senior Member
Join Date: Aug 2000
Location: Walnut Creek Ca USA
Posts: 836
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Actually I don't use chemicals either. I do occasionally add an enzyme which is essentially a bacteria broth the helps establish a thriving colony of waste chewing bacteria. Chemicals will only kill them off.
-Paul R. Haller-
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01-25-2010, 11:58 AM
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#22
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Senior Member
National RV Owners Club Texas Boomers Club Solo Rvers Club
Join Date: Aug 2005
Location: Texas
Posts: 1,716
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You will notice that everyone has their own way of dealing with holding tanks. Some say to leave the gray tanks open and others say it should be closed too. Try it both ways and see what works best for you. For me it works best if I leave it open. I used to use chemicals every time. Then I had a flusher system installed and now I flush the tank and put in some water with regular Dawn d/w liquid (in both tanks) so it will slosh around while I am traveling. I do not full time, but I usually camp 2+ weekends per month. I do not have an odor problem.
__________________
Barbara Spade
Jaymie (Sheltie/Pom) and Luke (Sheltie/mix)
35' Sea View (Class A) MH & Honda CR-V toad.
Good Sam Charter Life member/FMCA/SI/Escapees/Thousand Trails
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01-25-2010, 08:43 PM
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#23
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Senior Member
Winnebago Owners Club
Join Date: May 2000
Location: Sioux Falls SD USA
Posts: 415
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No chems here either. Tank indicators work fine. Always flush from full. Do put ice in the empty black tank couple of times a year. (Don't think it makes a difference, but makes me feel better)
Remember an IRV2 mamber saying a long time ago on this subject.
"Never found anything that makes it smell good!"
__________________
Steve & Sherri
2002 Winnebago Journey DL 39QD
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01-26-2010, 09:02 AM
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#24
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Senior Member
Join Date: Jan 2010
Posts: 143
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Wow, I've been full time for 4 years now and never considered going without chemicals in the black tank! This really does make sense.
Michael
2005 Dutch Star 40'
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01-28-2010, 02:05 PM
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#25
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Member
Pond Piggies Club Mid Atlantic Campers Forest River Owners Club Ford Super Duty Owner
Join Date: Jan 2010
Posts: 46
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You mention enzymes and chemicals used...which ones?
Tom
__________________
Gotta Live Life to its Fullest! 2010 Coachmen 30BHS
2004 F350 SD XLT Crew Cab Dually, 4X4, SB, Torqshift Auto, 6.0l Powerstroke Diesel
My Albums
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01-28-2010, 06:06 PM
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#26
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Member
Pond Piggies Club Mid Atlantic Campers Forest River Owners Club Ford Super Duty Owner
Join Date: Jan 2010
Posts: 46
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Quote:
Originally Posted by vegascouple
Wow, I've been full time for 4 years now and never considered going without chemicals in the black tank! This really does make sense.
Michael
2005 Dutch Star 40'
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Do you mean, Michael, that you also go with no chemicals in the tanks? The Cyclone idea makes sense. Are the vent pipes not capped. If so, do you have to remove the cap to install the cyclone?
__________________
Gotta Live Life to its Fullest! 2010 Coachmen 30BHS
2004 F350 SD XLT Crew Cab Dually, 4X4, SB, Torqshift Auto, 6.0l Powerstroke Diesel
My Albums
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01-29-2010, 09:44 AM
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#27
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Senior Member
Join Date: Jan 2010
Posts: 143
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I'll be dumping my tanks tomorrow and to be honest I'm having second thoughts about going without chemicals. We are full time in our motor home. I've been using Exodor bio pack for several years with no problems. It's usually the most expensive but they claim it breaks down toilet paper. I think it does as I watch it drain from my tanks. I think an accumulation of toilet paper in holding tanks is potentally a big problem.
It's just the two of us in our motor home and I dump it every 8 days if we are home the entire time. The chemicals cost me about a dollar a week. I usually rinse twice until it runs clear water from the tank. If I have to change the vent cap, put up with any odor, or dump more often I'm not sure it's really worth it to me.
For those guys who don't use chemicals how often do you drain your black water tank? I'm concerned about the odor issue. I can see it during the winter but what about when it's hot? Do you notice any reduction in amount of wastes that the tank will hold?
Thanks for the input.
Michael
2005 Dutch Star 40'
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01-29-2010, 10:19 AM
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#28
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Administrator in Memoriam
Newmar Owners Club Retired Fire Service RVer's Spartan Chassis
Join Date: May 2000
Location: Newark, DE
Posts: 25,898
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Quote:
For those guys who don't use chemicals how often do you drain your black water tank? I'm concerned about the odor issue. I can see it during the winter but what about when it's hot? Do you notice any reduction in amount of wastes that the tank will hold?
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I dump when the black tank is about 1/2 to 3/4 full, which is about +/- 2 weeks. Odor is not a problem.
There is no reduction in holding tank capacity.
I have a clear elbow at the tank valves and the black tank dumps just like the gray tank.
You can always try not using chemicals and if not satisfied, go back to using them.
It's clear that the vast majority that have posted here do not use chemicals. Years ago that was not the case. The trend is away from chemicals.
__________________
Adios, Dirk - '84 Real Lite Truck Camper, '86 Wilderness Cimarron TT, previously 4 years as a fulltimer in a '07 DSDP

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