Koi Forum (Nishikigoi - Japanese Koi Fish): KOI Talk: Pond Water Quality: green water problem: Page 3

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green water problem

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dttk
Senior Member

Aug 26, 2003, 12:07 PM

Post #51 of 63 (20338 views)
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Re: [koifun] green water problem [In reply to]	Can't Post

Koifun

, thanks for visiting the site and the encouraging words. Yes, I'm taking a short break from the forum. Reason being I'm in the process of setting up a new pc. Will join you wonderful guys again soon. Take care. Sly

"Duku" friendly

andyng
Koi Lover

Aug 26, 2003, 11:35 PM

Post #52 of 63 (20323 views)
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Re: [dttk] green water problem [In reply to]	Can't Post

In Reply To

Koifun

WOW... Dr. Tan upgrading his hardware to serve us better... BRAVO DOC just don't spend too much time on those porn site since the download speed is much faster... a lot of worm and virus out there. No bio filter can filter these dirty site.

Andy Ng

dttk
Senior Member

Aug 27, 2003, 10:39 AM

Post #53 of 63 (20321 views)
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Re: [andyng] green water problem [In reply to]	Can't Post

Andy

, I'm way pass the porn-surfin days Wink

. Nowadays I go for streaming videos (news, music and movies-cinema type). Frankly the state of some music videos nowadays is already like the X-rated movies...if ya know what I mean. Blush

Yes, the threat of a new virus even more powerful than sobig is really frightening Unsure

. Regards.
"Duku" friendly

koifun
Koi Kichi

Aug 27, 2003, 12:21 PM

Post #54 of 63 (20317 views)
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Re: [dttk] green water problem [In reply to]	Can't Post

hahaha

!!! Interesting exchange.

"Talk sense to a fool and he calls you foolish. - Euripides"

fff
Koi Lover

Aug 28, 2003, 10:01 AM

Post #55 of 63 (20305 views)
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Re: [dttk] green water problem [In reply to]	Can't Post

Does Coral grow bacteria?
Is K1 material good?
May I know where can I get it in SG

dttk
Senior Member

Aug 28, 2003, 1:45 PM

Post #56 of 63 (20299 views)
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Re: [fff] green water problem [In reply to]	Can't Post

Yes, coral does grow good bacteria but I'd advice against using it as biomedia because it clogs up easily creating an anaerobic environment for bad bacterial growth. It is best to use it as a pH buffer by keeping it in the chamber with cleanest water.

I do not have any experience with K1 or kaldness. Patrick (from S'pore) is using it. Pls search his posts and contact him via the forum reply function. Smile

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ginkon
New User

Apr 6, 2007, 2:10 AM

Post #57 of 63 (13529 views)
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Re: [dttk] green water problem [In reply to]	Can't Post

Greetings from the land of sand and oil. I have a pond approximately 2400 gal and after the first two years it started giving me an algae bloom every spring. I tried algae floculators and it seemd to work OK, but was not completely successful in clearing the green stuff. I don't think it is any way harmful to the fish - you just can't see them. Last spring I went online and met a couple that own a business in OK (?) and David recommended putting a UV light in my filtration flow line. He said it would clear the water up within two weeks. He was wrong - it took three! But, boy did it clear it up and it has stayed clear and this spring - no algae bloom, yet. Maybe it will be later, but I think I'm done worrying about it. It kills the tiny algae and the bacteria that can hurt the fish, too. It was not cheap, but the water is crystal clear and I get compliments on the clarity. The fish look great! The couple are David and Cammie at koilane.com. Tell them I said 'Hi'. Cheers, Rick.

dttk
Senior Member

Apr 6, 2007, 10:13 AM

Post #58 of 63 (13522 views)
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Re: [ginkon] green water problem [In reply to]	Can't Post

Thanks for sharing your experience Smile

. I'm sure others with the same problem will benefit from it. Regards. Wink

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ginkon
New User

Apr 6, 2007, 8:42 PM

Post #59 of 63 (13508 views)
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Re: [dttk] green water problem [In reply to]	Can't Post

Apparently I passed on the wrong URL for David and Cammie. I am trying to get their real web address and will post it as soon as I have it. Cheers

mac&me
New User

Aug 31, 2007, 4:35 AM

Post #60 of 63 (11536 views)
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Re: [ginkon] green water problem [In reply to]	Can't Post

We are having a huge problem with green water. The pond is 2 yrs old, never green water before. I know I caused the problem, by introducing a plant from a garden center onto my ledge of the pond. When I put it into the water without removing the soil, all kinds of debris came loose, perlite, vermiculite, etc. I'm sure there was fertilizer as well. In addition, our local pond place told me to plant my water forget me nots, and we used some soil, and added time release fertilizer. Stupid, stupid, stupid. Now to correct it.
Our pond is 12 x 10, 2 1/2' deep. We have one koi, about 12" long, several gold fish, and it appears (although we can't see clearly) that we have many goldfish babies. (We lost our other large koi to a heron, and two smaller comets as well, probably due to spawning behavior.) We have just added three baby koi, about 3'' long. These are the water test #'s. ph 7.6 high range ph 7.4 nitrite, nitrate, and ammonia are 0ppm. The pond is filtered by a biofilter with a waterfall. (Savio). the pump pushes 5500 gph.

larz1
Koi Kichi

Sep 3, 2007, 4:23 AM

Post #61 of 63 (11467 views)
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Re: [mac&me] green water problem [In reply to]	Can't Post

Well, to start with... yank the plants back out of the pond. Otherwise you'll just continue to feed the problem and everything else you do will be a waste of time. Also, never ever ever listen to water garden suppliers when they tell you what is good for Koi ponds. They know plenty about plant puddles. They know just enough about Koi to be dangerous Mad

.
I'm not a fan of pond plants, but my wife loves them so I've had to learn to live with it... Unsure

It will mean extra work to keep your water from going green though. If you absolutely must have them, re-pot any that require soil in an inert medium like pea gravel or coarse sand, no fertilizer of any kind.
Once you have removed the food source for the algae, you may be able to clear the green water with Hydrogen Peroxide. Your pond contains roughly 2200 gallons, so a dosage of 1 quart of 3% Hydrogen Peroxide MIGHT help clear things up once you remove the nutrient source. If not, you'll need to take other actions.
One water test you didn't post is Kh. It would be a good idea to test that as well, as low Kh levels will make it difficult to keep the algae at bay and your filtration healthy.
BTW, the guys and gals down at the garden center will probably want to sell you AlgaeFix, or something similar. It kills algae with Copper, which is also really good at killing Koi and Goldfish if your dosage is just a tiny bit off.

mac&me
New User

Sep 3, 2007, 4:31 AM

Post #62 of 63 (11465 views)
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Re: [larz1] green water problem [In reply to]	Can't Post

Will the peroxide affect the bacteria that we put in? We use Microbe Lift PL.

larz1
Koi Kichi

Sep 4, 2007, 11:18 PM

Post #63 of 63 (11408 views)
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Re: [mac&me] green water problem [In reply to]	Can't Post

Not unless you dump it straight on the biomedia. I'd pour it in at the waterfall area so it mixes well and gets diluted quickly. HP quickly breaks down into Oxygen and Water as it reacts with the algae or any other organics it may come into contact with. You just don't want to dump it right on top of your fish as it could burn their gills or fade colors if directly applied in its concentrated form.

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