Go Back   iRV2 Forums > MOTORHOME FORUMS > Class A Motorhome Discussions
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
 
Thread Tools Search this Thread Display Modes
 
Old 01-19-2014, 08:59 PM   #1
Senior Member
 
Rusty years's Avatar
 
Join Date: Dec 2012
Posts: 529
Sewer problems

I know this may sound crazy, but when I flush my toilet little black gnats fly up from the tank. What am I to do, have never seen this before.
__________________

__________________
Rusty years is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 01-19-2014, 09:31 PM   #2
Moderator Emeritus
 
TXiceman's Avatar


 
Vintage RV Owners Club
Texas Boomers Club
Oklahoma Boomers Club
Ford Super Duty Owner
Join Date: Aug 2000
Location: Full Time, TX Home Base
Posts: 17,150
Blog Entries: 21
You have drain flies. The easy way to kill them is to mix a strong solution of chlorine bleach and water and put it in the tank. Let is set for a day with enough water to cover the bottom an inch or so. Fill the tank up and let it set another day or two. Then dump and flush. It should get rid of them. They probably came up through the open hose when you were at a campground.

Ken
__________________

__________________
Amateur Radio Operator (KE5DFR)|Full-Time! - 2012 6.7L Ford Crew Cab Dually -2013 HitchHiker Champagne 38RLRSB - Travel with one Standard Schnauzer and one small Timneh African Gray Parrot
TXiceman is offline   Reply With Quote
Old 01-19-2014, 09:35 PM   #3
Senior Member
 
Join Date: Sep 2012
Posts: 4,232
And be sure to leave your dump valve closed until you actually need to dump.
__________________
jesilvas is offline   Reply With Quote
Old 01-19-2014, 09:41 PM   #4
Senior Member
 
huntnski's Avatar
 
Fleetwood Owners Club
Join Date: Dec 2012
Location: Arkansas
Posts: 7,670
To get rid of them immediately and give you time to do the above flush with bleach try spraying a flying insect spray down into toilet. The chemicals might not be good for your toilet system but it works, I've done it.
__________________
Tim & Mary Discovery 40X. Chevy Tahoe. RVM32
"I've been lost now, days uncounted..."GFR"
huntnski is offline   Reply With Quote
Old 01-19-2014, 09:44 PM   #5
Senior Member
 
Join Date: Jan 2011
Posts: 484
Quote:
Originally Posted by TXiceman View Post
You have drain flies. The easy way to kill them is to mix a strong solution of chlorine bleach and water and put it in the tank. Let is set for a day with enough water to cover the bottom an inch or so. Fill the tank up and let it set another day or two. Then dump and flush. It should get rid of them. They probably came up through the open hose when you were at a campground.

Ken
Most likely correct. I never leave my drains open when at rv park because of this very reason. I'll drain them every few days if needed.
__________________
2006 Mountain Aire, Jeep LJ, 900 watts of solar, boondocking life away! Volunteer Fire Fighter!
hes4all is offline   Reply With Quote
Old 01-19-2014, 10:02 PM   #6
Senior Member
 
BFlinn181's Avatar
 
Gulf Streamers Club
Join Date: Jan 2012
Location: Cincinnati
Posts: 16,264
While most likely gained through the stinky slinky left open, it's not unheard of them coming down the rooftop vent pipe to the black tank. Bleach will take care of the flies, larvae and eggs.
__________________

Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
BFlinn181 is online now   Reply With Quote
Old 01-19-2014, 10:13 PM   #7
Senior Member
 
bigmichael's Avatar
 
Excel Owners Club
Join Date: Sep 2008
Posts: 352
Quote:
Originally Posted by TXiceman View Post
You have drain flies.
Ken

That's so much nicer of a name then what I've heard them called
__________________
2013 EXCEL LTD 36RKM
2014 F350 Dually Lariat 4x4
Sir Reginald the Cat who lets Big Mike and Jean travel with him.
bigmichael is offline   Reply With Quote
Old 01-20-2014, 08:53 PM   #8
Senior Member
 
scenic route's Avatar
 
Join Date: Jan 2010
Posts: 1,767
After seeing cockroaches the size of teacup Chihuahuas living under a CG's sewer cap, I never leave the manifold dump valve open. We have two 40gal gray tanks and two 40gal black tanks, each with a 'T' handle and valve. All stay closed until it's time to dump. AFAIK, no 'drain' flies or CRs in any of the tanks...and I'd like to keep it that way...

Things really are bigger in Texas!
__________________
Jan and Bob

RIP 'Squeaky'
scenic route is offline   Reply With Quote
Old 01-20-2014, 10:16 PM   #9
Senior Member
 
bertnspike's Avatar
 
Join Date: Dec 2011
Location: Sebastian
Posts: 119
Everybody always says "don't leave your tank valves open". I have never ever left my tank valves open and I have gotten sewer gnats more than once. It only takes one pregnant female getting past the valve to start an infestation.

How easy they are to get rid of depends on where they set up housekeeping.
__________________
Susan in Music with Mizz Bizzy
bertnspike is offline   Reply With Quote
Old 01-21-2014, 09:48 AM   #10
Senior Member
 
tropical36's Avatar
 
American Coach Owners Club
Join Date: Jul 2007
Location: SW Florida
Posts: 1,589
We usually leave the gray valve open with no ill effects, but along these same lines, I've never understood the benefit of those hose slopes that obviously keeps the drain clear. I mean, now you've lost a natural water trap, like most every sewer drain has in some fashion and has to help, even if the CG's sewer system has a trap at each site.
__________________

__________________
07 Revolution LE 40E_1 1/2 Baths_Spartan MM Chassis_06 400HP C9 CAT_ Allison 3000
Dinghy_2010 Jeep Wrangler JKU ISLANDER
1998 36ft. National Tropi-Cal Chevy Model 6350 (SOLD)
tropical36 is offline   Reply With Quote
Reply



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Dealers for Palazzo Problems & Thor Slide Problems "007" Thor Industries Owner's Forum 29 11-10-2015 06:29 AM
iRV2 problems? palehorse89 Forum 101 | Announcements | Member Concerns 88 03-09-2014 10:43 AM
Another RV Sewer Hose Support System DarkVulf iRV2.com General Discussion 14 01-10-2014 12:41 AM
Help American Dream Water Problems GlennLever Fleetwood Products Owner's Forum 13 12-08-2013 07:44 AM

» Virginia Campgrounds

Reviews provided by


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 11:14 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.