fish  pets  water


Question by  Michele76 (34)

What can I do about brown water in a koi Pond?

I just noticed that my koi pond water has turned brown, this can not be good for the fish.


Answer by  sanityrose (2664)

Brown water in your koi pond can come from not enough cleaning, or to much cleaning. Overcleaning can remove naturally cycled water. Allow it to recycle on its own. You may also have a bacteria setting in, this is bad for fish, purchase a detoxification kit and add to pond.


Answer by  sharonl (250)

A water change should be done. Also Tetra makes a product called TetraPond Water Clarifier formally known as AquaRem that works like a dream in clearing up water. Adding barley to your filter will help as well. The pond should not be overstocked with fish either.


Answer by  01628773 (140)

The water may have turned brown as a result of algae growth or simply a buildup of debris. It would be wise to change out 25-50% of the water slowly using a dechlorinator. Make sure your pond has shade, direct sunlight encourages algae growth. You can purchase a UV sterilizer for your filter that will kill algae as well.


Answer by  Mech79 (185)

Brown water can be caused by algae and can be treated with chemicals from a pond or pet retailer. Changing the filter if there is one will also help.


Answer by  Melissa76 (282)

Do a water change and make sure you have a good filter for the pond. Also fish stores sell pond water clarifier to use in your pond.


Answer by  itsjujubeans (80)

brown water is often an indication of dirt in the water or runoff from rain. us mechanincal filtration and prevent rain water and debris from getting into the pond.


Answer by  jon6 (488)

This usually means you have some decomposing plant matter in your pond. I would use a pool skimmer to remove any dead leaves, lilly pads, other debris. I would also add some beneficial bacteria. This will eat the source of the problem. You can find it at any good pond store. Good luck and happy pondering!


Answer by  TOEKNEEJEE (310)

Well, I would recommend changing the water. That is just about the only recommendation I believe there is for this issue. The dirt in the water is definitely not good for the Koi fish; it will suffocate them eventually. Put the fish in a bag, and change the water as soon as possible.


Answer by  Liz59 (10966)

Well brown water is not very good at all. You need to add some chlorine to clean the water tank as soon as you can.

posted by Anonymous
No no no!!! never use chlorine in a koi pond! It will kill all the fish.  add a comment
posted by Anonymous
Chlorine kills fish.Burns there gills.Get debris out change water before fish die.Make sure you use dechloranater.  add a comment
posted by Anonymous
chlorine will kill your koi even 1teaspoon, I will go with the water changing, cleaning 2/3 filter and adding good bacteria :-)  add a comment

Answer by  Anonymous

Cannot believe someone has actually advised using chlorine in a koi pond, worse thing you can do.


Answer by  Andrea16 (23)

You should invest in a filtration system and consult your county agent for tips. There are chemcials that will aid in correcting the problem.

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