Welcome, Guest
Username: Password: Remember me
  • Page:
  • 1

TOPIC: Holding Tank Gases...

Holding Tank Gases... 18 Jun 2009 14:23 #1

  • coffeeboy
  • coffeeboy's Avatar Topic Author
  • Offline
  • New Member
  • New Member
  • Posts: 7
  • Thank you received: 0
:mad:No body likes to tie along side of me anymore... The smell is getting bad. Is there a way to put a charcoal filter inline with the vent hose??
4388my 1993

Please Log in or Create an account to join the conversation.

Holding Tank Gases... 18 Jun 2009 14:31 #2

  • cpubud
  • cpubud's Avatar
  • Offline
  • Junior Member
  • Junior Member
  • Posts: 95
  • Thank you received: 0
couldnt you do a good cleaning and a few rinses with putting clorox down the vent as well that should help ,short of replacing all the piping?

Please Log in or Create an account to join the conversation.

2000 bayliner2455 SS MINNOW MMSI#338088201

Holding Tank Gases... 18 Jun 2009 14:34 #3

  • talman
  • talman's Avatar
  • Offline
  • Platinum Member
  • Platinum Member
  • Look for us in the San Juans
  • Posts: 1470
  • Thank you received: 120
there is only one reason you tank is stinky:
No air is getting to the tank.
You need more air let the waste do its natural job of breaking down.
1) Vent is constricted or blocked
2) Vent is not big enough to let enough air in to do it's job.

I think a filter, hindering the vent even more, would make the problem worse.

Please Log in or Create an account to join the conversation.

Tally and Vicki
"Wickus" Meridian 341
MMSI 338014939

Holding Tank Gases... 18 Jun 2009 14:56 #4

  • cullyJ
  • cullyJ's Avatar
  • Offline
  • Elite Member
  • Elite Member
  • Posts: 645
  • Thank you received: 0

talman;311525 wrote: there is only one reason you tank is stinky:
No air is getting to the tank.
You need more air let the waste do its natural job of breaking down.
1) Vent is constricted or blocked
2) Vent is not big enough to let enough air in to do it's job.

I think a filter, hindering the vent even more, would make the problem worse.


agreed. claen system more often as mentioned above and maybe try different treatment chemical or ah bit more of what you use.

Please Log in or Create an account to join the conversation.

"cullyJ" on 16 - 1997 2252 5.7L carb
alpha I/gen II 1.47:1 (?)
purchased by us in 1998 @ 50 hrs
new jasper long block, closed cooling,
psi hot water, deck shower
and privacy curtains - 2001
letas slant, bimini and glass - 2009
baltimore - norfolk, hydro race, 6 nights - 1999
baltimore - cape may,...

Holding Tank Gases... 18 Jun 2009 15:03 #5

  • Mocoondo
  • Mocoondo's Avatar
  • Away
  • Elite Member
  • Elite Member
  • Posts: 862
  • Thank you received: 9
It is possible that your tank has gone "anaerobic" -- In other words, the tank is stagnant and the bacteria is not able to do its job. You can tell that this has happened if you use the head and simultaneously get a good stink at the vent outside the boat.

You could have a blocked or constricted vent and are not getting enough airflow. Some people recommend installing a second tank vent to maximize airflow.

Overfilling the tank, or regularly allowing the tank to become full without performing a pumpout can force sewage into the vent line. If that happens, the vent line can become constricted. Be sure to pump out as often as possible.

You could have tank issues. A blockage, buildup of sewage, etc. Flush some Tide (clothes soap) into the tank and go boating for a few hours. Then pump the tank out and rinse. Do this a few times to really clean the system out good. Once you know your system is clean, use a product like KO or Odorlos to help stay on top of tank odors.

Please Log in or Create an account to join the conversation.

Mocoondo
2002 Bayliner 195 Capri "Sport"
Mercruiser 5.0L V8 / Alpha I Gen II
MMSI: 338091755

Holding Tank Gases... 18 Jun 2009 15:07 #6

  • whiskywizard
  • whiskywizard's Avatar
  • Offline
  • Administrator
  • Administrator
  • Out exploring the waters of the Kawartha Lakes
  • Posts: 6169
  • Thank you received: 253
I agree with Talman that the tank needs air - and lots of it - to keep working aerobically. However, the air coming out of the vent will always have an odour. Many (many many) boats use GAC filters in teh vent hose to reduce the odour.

This image is hidden for guests.
Please log in or register to see it.



You can buy them, like the Sanigard unit pictured above, but they run about $70 or more.

You can also make one for a few bucks.

Please Log in or Create an account to join the conversation.

Regards
Whiskywizard
[/COLOR]

Life moves pretty fast. If you don't stop and look around once in a while you could miss it.
- Ferris Bueller

Holding Tank Gases... 18 Jun 2009 15:18 #7

  • JohnL
  • JohnL's Avatar
  • Offline
  • Elite Member
  • Elite Member
  • Posts: 563
  • Thank you received: 0
+! with those who say the tank is not working right, likely due to not enough air, OR from pouring various chemicals into it that only serve to destroy the bacterial action that occurs in a "healthy" tank. I would put Chlorox in that category, as well as oils, and the "perfume" additives.

Flush out the tank and be sure the vent is short as possible, and not blocked by waste from overfilling, or by insect nests or a kink. Then use a product such as K.O. or Odorloss per directions. Should be no smell and no need for a filter on the vent that blocks air flow.

Please Log in or Create an account to join the conversation.

Blue Highways
93 2452

Holding Tank Gases... 18 Jun 2009 15:21 #8

  • Stratocaster
  • Stratocaster's Avatar
  • Offline
  • Platinum Member
  • Platinum Member
  • Caribbean livin'
  • Posts: 1250
  • Thank you received: 25
Vent filters are good until they get wet. Then they are absolutely blocked.

Do not use bleach, or any other chemicals.

Empty the tank.
Rinse multiple times with clean water.
Add Odorlos.
Empty the tank after every trip, rinse and add fresh Odorlos.
Keep doing this and there will be no smell.

I have done this from Day 1 and there is zero smell from my holding tank, except when I occasionally forget to add the Odorlos.

Did I mention Do Not Use Bleach?

Please Log in or Create an account to join the conversation.

Mike P
The Bahamas
Formerly Vancouver BC, Bermuda and The Grenadine Islands.
Click here to hear my original music, FREE to download to your computer or iPod.

Holding Tank Gases... 18 Jun 2009 15:30 #9

  • Mocoondo
  • Mocoondo's Avatar
  • Away
  • Elite Member
  • Elite Member
  • Posts: 862
  • Thank you received: 9

whiskywizard;311541 wrote: I agree with Talman that the tank needs air - and lots of it - to keep working anaerobically.


He wants the tank to be working "aerobically".

"Anaerobically" means "without air" which is likely his problem. Anaerobic bacteria works without air, with the consequence of strong odors.

Aerobic bacteria, on the other hand, works with a supply of air through the vent (oxygen). When sewage is broken down aerobically, it converts to C02 gas which is odorless.

A healthy holding tank is one with plenty of aerobic bacteria and a good supply of oxygen. If a proper amount of aerobic bacteria exists, it overpowers the anaerobic bacteria and no smell occurs.

Please Log in or Create an account to join the conversation.

Mocoondo
2002 Bayliner 195 Capri "Sport"
Mercruiser 5.0L V8 / Alpha I Gen II
MMSI: 338091755

Holding Tank Gases... 18 Jun 2009 15:46 #10

  • whiskywizard
  • whiskywizard's Avatar
  • Offline
  • Administrator
  • Administrator
  • Out exploring the waters of the Kawartha Lakes
  • Posts: 6169
  • Thank you received: 253

Mocoondo;311556 wrote: He wants the tank to be working "aerobically".

"Anaerobically" means "without air" which is likely his problem. Anaerobic bacteria works without air, with the consequence of strong odors.

Aerobic bacteria, on the other hand, works with a supply of air through the vent (oxygen). When sewage is broken down aerobically, it converts to C02 gas which is odorless.

A healthy holding tank is one with plenty of aerobic bacteria and a good supply of oxygen. If a proper amount of aerobic bacteria exists, it overpowers the anaerobic bacteria and no smell occurs.


Yes - now corrected.

Please Log in or Create an account to join the conversation.

Regards
Whiskywizard
[/COLOR]

Life moves pretty fast. If you don't stop and look around once in a while you could miss it.
- Ferris Bueller
  • Page:
  • 1
Moderators: Jim GandeeRuffryder
Time to create page: 0.108 seconds
Powered by Kunena Forum