Return to the Ponds & Aquatic Plants Forum | Post a Follow-Up

 o
Pond water smells like rotten eggs

Posted by hissleepy virginia (My Page) on
Thu, May 17, 12 at 19:44

we expanded our koi pond this year and in the month that it has been open the water has become very mucky and dirty despite water changes etc. I have 3 bio filters that have been running for the last month also several airstones and mechanical filters as well as a skimmer. I have used the same water treatments has I have for the past several years that include bacterial pond clarifier, pond salt, eco fix, water conditioner and stress coat. I only feed the fish what they can eat in 5 minutes, they seem to be doing fine (they are not gasping for air at the top etc.) I have done nothing different and I have never had this problem before. The surface is covered 50% with floating plants which I plan to get more. I have noticed that the water has started to have a rotten egg smell. I want to know how to fix this. Should I drain the whole pond and start over. Any suggestions would help


Follow-Up Postings:

 o
RE: Pond water smells like rotten eggs

Since you didn't mention bottom drain I'm assuming there is some buildup of muck on the bottom?

Draining is an option but not one I enjoy.

Another option is scooping or vacuuming.

Of course the pond could still smell bad to you. Different people, different noses.

[sarcasm on]
I don't understand, I though bacterial pond clarifier, eco fix and such products kept ponds clean?
[sarcasm off]


 o
RE: Pond water smells like rotten eggs

The smell of rotten eggs is a very poisonous gas. It is caused by bacterial growing without Oxygen. It can only grow in areas that pond water with Oxygen can't get to such as in muck. But before I am going to try and figure out where it is coming from I want more information. Give us more details about the old pond and how it was expanded. Does this pond have rock and gravel on the bottom? Was the old pond clean when expanded? What is the size of the pond? How much water is moving per hour? Do the pumps run 24 hours a day?

Mike


 o
RE: Pond water smells like rotten eggs

Indeed toxic in high enough levels and not optimal. True for almost anything. Many fish have evolved in such environments. No need to panic.


 o
RE: Pond water smells like rotten eggs

Yes it is toxic. Extremely toxic! It will kill a person at levels in the air of .005 ppm. Are you going to get those levels coming off a pond in the open air? No. But your fish could see those levels if the water is not circulating. Yes there are fish and other creatures that can live at those levels but any fish that you would have a pond will not. HS poisoning is the only time in my life that I had to perform CPR and that person died three times before they could could bring him back to life for good.
Mike


 o
RE: Pond water smells like rotten eggs

If the bottom is not covered with rocks, other maintenance is adequate and you are testing the water I would guess you have something organic like a raccoon or squirrel, or even a bird dead in the pond. After only a month that seems the most likely problem. By this time feathers, hair and fatty particles would be showing up in the filters. If you find such a thing in the pond, the water and filters will still stink until bacterial balance shifts from anaerobic to aerobic.

Water changes and clean filters will make the process faster. Scoop and vacuum all debris. Check under the plants. They could hide the problem. All the additives are for special circumstances. Do you really need them?


 o
RE: Pond water smells like rotten eggs

I'm not going near a pond ever again. Thanks


 o
RE: Pond water smells like rotten eggs

I think we are confusing odors here. A putrid smell is unpleasant but distinct from the rotten egg smell. I think sleepless's solution is correct in either case, but if it is rotten egg smell, you're not likely to come up with a handfull of 'dead skunk in the middle of the pond'.


 o Post a Follow-Up

Please Note: Only registered members are able to post messages to this forum.

    If you are a member, please log in.

    If you aren't yet a member, join now!


Return to the Ponds & Aquatic Plants Forum

Information about Posting

  • You must be logged in to post a message. Once you are logged in, a posting window will appear at the bottom of the messages. If you are not a member, please register for an account.
  • Please review our Rules of Play before posting.
  • Posting is a two-step process. Once you have composed your message, you will be taken to the preview page. You will then have a chance to review your post, make changes and upload photos.
  • After posting your message, you may need to refresh the forum page in order to see it.
  • Before posting copyrighted material, please read about Copyright and Fair Use.
  • We have a strict no-advertising policy!
  • If you would like to practice posting or uploading photos, please visit our Test forum.
  • If you need assistance, please Contact Us and we will be happy to help.


Learn more about in-text links on this page here