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10-23-2019, 06:55 AM
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#1
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Senior Member
Join Date: Feb 2012
Posts: 175
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Sewer Flea Trap??
If you know of a successful means of trapping these little, irritating suckers, please share. Thanks.
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10-23-2019, 07:05 AM
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#2
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Senior Member
Join Date: May 2005
Location: Carlos, Texas
Posts: 1,746
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Fill youir tanks to the brim with water. Let it sit and let them drown.
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10-23-2019, 07:10 AM
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#3
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Mar 2007
Location: Home on the hill in Georgia
Posts: 2,742
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Never heard of fleas in the sewer. On the dogs now, different story
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Jerry Potter, Taz
1999 Coachman Catalina Sport
[SIGPIC][/SIGPIC]
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10-23-2019, 07:28 AM
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#4
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Senior Member
Forest River Owners Club Ford Super Duty Owner
Join Date: Jul 2012
Location: So Calif
Posts: 3,522
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Read my posting "Poop Shoot P Trap" above yours.
__________________
2020 Coachmen Leprechaun 270QB (COA Member)
Jeep Wrangler toad for the dirt
"Well done is better than well said"....Ben Franklin
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10-23-2019, 07:43 AM
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#5
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Senior Member
Join Date: Feb 2012
Posts: 175
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Quote:
Originally Posted by egwilly
Read my posting "Poop Shoot P Trap" above yours.
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I did....however, without saying so I was thinking more along the lines of trapping them after they managed to make their way into the people living area.
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10-23-2019, 07:48 AM
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#6
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Registered User
Join Date: Oct 2017
Posts: 4,985
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If you are using the camper part time, next time it's parked long term, leave the waste valves open. Once the tank dries out the gnats will disappear.
We full time and have not had any issues w/gnats, but you could try some bleach in the empty tank to slosh around on travel day. The drown theory sounds good for the adults, but does nothing for the larvae.
Note - Living area? Are you sure they are not fruit flies? I had a friend complaining about fruit flies in her house. Then I found a pail of rotten pears in her garage!
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10-23-2019, 08:42 AM
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#7
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Senior Member
Join Date: Mar 2015
Posts: 2,984
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We keep the black and grey valves closed except when dumping the tanks and have never had that problem.
__________________
'04 Newmar Mountain Aire 4016
400ISL/Freightliner
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10-23-2019, 08:56 AM
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#8
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Senior Member
Join Date: May 2005
Location: Carlos, Texas
Posts: 1,746
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They usually come form leaving a gray or black valve open (which you should not leave black valve open) at campsites. They are sewer gnats, not fleas but we get it. I always close all my valves except when dumping and I've never "caught" them. I also Clorox my tanks occasionally. Never had issues from doing that.
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10-23-2019, 09:00 AM
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#9
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Senior Member
Join Date: Jun 2012
Location: Jacksonville, Florida
Posts: 614
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Pour soapy water down the drain. Soap sticks to them and they breathe through their skin. Suffocating them. If in the RV, a small cup of apple cider vinegar with a few drops of Dawn in it. Cover with plastic wrap and poke a few holes in the top of the wrap for them to get in. Works good.
__________________
Bob and sometimes - Nina - a Staffordshire Terrier/a SPOILED pit and her kitty Spaz
2006 Dodge SLT 2500 4x4 Cummins Quad Cab w/AT and 3.73
2007 Salem Sport LE 26FBSRV (TH) w/ my Victory Motorcycle in it or a EZ GO Shuttle cart.
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10-23-2019, 12:09 PM
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#10
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Senior Member
Join Date: Aug 2011
Location: Enjoying the Western States!
Posts: 19,680
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Quote:
Originally Posted by NFlcamper
Pour soapy water down the drain. Soap sticks to them and they breathe through their skin. Suffocating them. If in the RV, a small cup of apple cider vinegar with a few drops of Dawn in it. Cover with plastic wrap and poke a few holes in the top of the wrap for them to get in. Works good.
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^^^^^ This is the answer.
The apple cider trick works great for fruit flies.
Also be sure there's a little bit of water in your toilet bowl and also if you have a bowl with the little holes under the rim for overflow, spray some bug spray in the holes.
__________________
Full-timed for 16 Years . . .
Traveled 8 yr in a 2004 Newmar Dutch Star 40' Diesel
& 8 yr in a 33' Travel Supreme 5th wheel
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10-23-2019, 02:22 PM
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#11
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Senior Member
Monaco Owners Club
Join Date: Jan 2010
Posts: 2,649
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Quote:
Originally Posted by Wizard
Never heard of fleas in the sewer. On the dogs now, different story
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I don't know...In Texas I saw CG sewer cockroaches big enough to have fleas!
__________________
Jan and Bob
'05 Monaco Windsor 40 DST - ISL / '08 Wrangler
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10-23-2019, 02:48 PM
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#12
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Senior Member
Thor Owners Club
Join Date: Jan 2019
Location: Canyon Lake TX
Posts: 139
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Quote:
Originally Posted by scenic route
I don't know...In Texas I saw CG sewer cockroaches big enough to have fleas!
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We grow 'em big & plentiful.
In the mid 90's working at the Johnson Space Center on night shift, I was walking up to a building. I started hearing crunch crunch crunch with each step. I turned on my phone flashlight & was surprised to see what looked like a brownish blanket, thousands scurrying to a sewer manhole. It looked like something from Raiders of the Lost Ark.
Every night they would emerge until finally exterminated.
__________________
JB & Linda Williamson Ret. FF/PD 41 years USN Vet, wife ret. PD 22 years. [SIGPIC][/SIGPIC]
Thor ACE 32.1
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10-25-2019, 10:25 AM
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#13
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,563
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As was mentioned, it often takes multiple treatments of the tanks to get rid of the flies once they move in. New larvae hatch every day or two, so it may take 2-3 cycles to kill them off. And you can't achieve much inside the RV until you've done that. The eggs & larvae are in the slime on the tank walls and floor, so using a septic enzyme cleaner/treatment can help get rid of them.
Opening the drain valves may or may not help. If the tank totally dries out, the eggs and larvae die, but most tanks have some water left in the bottom plus it can take weeks for the slime on the walls to dry out. If ever.
In the interim, make sure all the drains have water in the traps, so that more flies cannot enter the interior that way. That leaves only the toilet as an entry path.
I've had decent results simply spraying insecticide down through the the toilet. That kills off the adults and 2-4 go-arounds gets successive generations. We like the Bengal brand spray - it's effective on most varieties of critters.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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