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Home: KOI Talk: Pond Water Quality:
New Fibre Tank

 





 


jerrylim
Koi Lover

Dec 4, 2001, 3:22 PM

Post #1 of 16 (3827 views)
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I have recently replaced my old tank
with a brand new 72 x 36 x 15 inches rectangle fibre tank. Had to reduce the length to avoid the rain water that was flowing directly into the old tank.

I also purchased a ready-made 36 x 12 x 15 inches ready-made 5 chamber filter for the tank.

As of today - it has been 10 days since the transfer.

The mattings were washed with pond water before placing into the new filter.

Tap water used to filled-up was dechlorinated.

To my horror !!!!

1) I now have a pond with green water. I can hardly see the kois when they're swimming at the bottom and its only 15 inches in depth. I have done 3 water changes of 30 to 40% in the last 10 days.
After the change of water its better but turns green again the next day. Is there no other way of getting rid of green water other than wait for the filter to mature ?

2) Noticed that 2 kois have developed ulcers on their tail and another has an ulcer on the upper fin. Due to the state of the water - it was very difficult for me to inspect them. Salt was gradually increased to 0.4% Iodine is used to swab the wounds - today was the second treatment. I have used this method before and it has worked before.

3) Also noticed that most of them does a gentle sideway flip in the water during the nights as if trying to rub their body against the bottom of the tank - usually after 10-30pm. (Party time ? or parasites) Doesn't happen during the day. I have added-in baking soda and I also have oyster shells in the filter. There is also some on / off jumping. One of my favourite Kohaku even jumped out yesterday - luckily it was a Sunday and
I was home.

4) Suspected that the good bacteria on the mats may have been destroyed during the transfer so I have also added a bacteria booster into the tank. I also have 2 airstones in the filter itself.

5) Due to the condition of the green water - I was worried about the lack of oxygen during the night so I added in 4 sponge filters - 2 days ago - that means a total of 4 air stones and another 72 sq inches of bacteria breeding surface.

My water parameters are acceptable except for a slight trace of Ammonia.
So I am feeding them a little at a time.

First chamber - settling chamber
Second chamber - Green mats
Third chamber - Green mats
Fourth chamber - oyster shells
Fifth chammber - nothing

Looks like my problem with ulcers and jumping kois isn't going to be over. And worse still - I now have to another problem - green water to deal with.

Please help !!




Werner
Koi Lover

Dec 4, 2001, 7:03 PM

Post #2 of 16 (3827 views)
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Jerrylim--

1. Stop changing water-it takes 6-9weeks for water to cycle-the frequent massive changes are actually slowing down the cycle. Green water is an indication of cycling, fish love it, but if you want to clear it up so you can see them I would add a foam sheet to your last filter, but be prepared to clean it daily.

2.Ulcers are a sign of stress--increase the salinity to .6%, keep up the iodine treatment, being careful not to get it into their gills or eyes. If you can locate it in your part of the worl Melafix pond formula works well.

3. The sideways flip is called flashing, the fish are trying to scratch themselves because of the ulcers.

4.Your assumption of the good bacteria being gone is correct--they will re-populate but it takes time (see #1).

5. Additional filtration is beneficial at this stage, leave everything as is. FYI Algae does not use oxygen as long as it's alive (green)only dead algae(black) will use oxygen as it decomposes.

It is important at this stage to keep checking your water parameters, feed very little if at all.
I'M a little concerned about the fiberglass tub, are you sure it's fish-safe? It might be worth a call to the manufacturer.
I would also add 2 pounds of ACTIVATED Carbon to one of the filter chambers, Activated carbon absorbs a lot of water impurities, see my web-site www.wernersponds.com under pure water.

Pond-On
werner www.wernersponds.com


jerrylim
Koi Lover

Dec 5, 2001, 3:09 PM

Post #3 of 16 (3827 views)
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Thanks for the advice.

But the green water has caused such poor visibility that it was so difficult to check the condition of the kois. Stress during the transfer from the old tank to the new could have been the cause of the weakend immunity system which resulted in all the ulcers and flashing.
This morning, I just discovered that another 2 kois have ulcers on their tails and 1 Kohaku has even sort of lost a small part of her tail.

I have just treated the whole pond with Furanol which is suppose to be capable of wiping out everything - including the good bacteria (well I never had any in the first place so thats why I went ahead with the treatment) I was thinking of saving the kois first and worry about the good bacteria later. Treatment duration is for 4 days when I have to change 50% of the water thereafter.

I currently have 6 kois that are sick and I do not have a hospital tank big enough to accommodate them all.

I will increase salt content to 0.6% as per your recommendation. Is this enough to treat ulcers - just 0.6% salt ?

Its been 12 hours since the Furanol treatment but there are still signs of flashing and jumping. Can't see any improvement as at now.

If Furanol doesn't work - I will try Melafix after the 4 day treatment.

I have thought of PP bombing but as I am very new to this hobby - I don't have the confidence to try. Previous discussions in this forum say that 1 teaspoonful of PP to 4 tons of water. My tank has only 600 litres of water so I have no idea how much PP to use and how much Hydrogen Peroxide to neutralize. Would appreciate if any member can help me with the quantity of PP and Hydrogen Peroxide and a step by step guide to bomb all the parasites away.

The fibre-tank I purchased was from a manufacturer that exports all his products to Singapore and Brunei so I don't think there's any problem with the quality.



SMW1
Koi Kichi

Dec 6, 2001, 7:53 AM

Post #4 of 16 (3827 views)
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Do you still have the old tank ?.
It maybe worth isolating the effected koi in there. Until you can get the water params up to scratch and you bio filter is working again.


jerrylim
Koi Lover

Dec 6, 2001, 9:11 AM

Post #5 of 16 (3827 views)
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Nope, I do not have the old tank anymore - it was taken away to a shop waiting to be sold - second hand.
I have actually stopped the iodine treatment after I started using Furanol. Trying to net 6 kois in a 600 litre fibre-tank to apply iodine is really stressful not only to the rest of the kois, but also to me. I am just afraid that adding more stress to the rest will be disastrous.
They are behaving like normal and also asking for food since I have stopped the feeding since the treatment.

Is 0.6% salt and furanol enough to treat ulcers ?



Werner
Koi Lover

Dec 6, 2001, 5:46 PM

Post #6 of 16 (3827 views)
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 Jerrylim--

The .6% salt along with good water parameters and the Iodine should take care of the ulcers.

You need to be careful with the medicines, I'm not familiar with furanol, and after doing a quick search on the net, cannot find any information on it. If you check the bottle it should give you the active ingredients, please post them here and I'll see if I can be of further help.

If it's like most medicines, it wipes out your bio-bugs. I would not think of using PP treatments right now, since any more radical treatments will serve to stress your fish even further and could cause mortalities.

Melafix is a more natural treatment and does not affect your bio-filter.

In order to remove your present treatment add 2lbs of activated carbon in a net bag or nylon stocking. Leave the bag in for 3 days with water circulation (you can put it into one of the filter chambers), remove the bag and treat the tank with melafix.

My most important suggestion to you would be to have patience,medicines work slowly and the recovery of your fish will also be slow. If the ulcers stop growing in size, you're well on your way to curing the fish.

Pond-On www.wernersponds.com


Loo_Ferringo
Koi Lover

Dec 7, 2001, 2:00 AM

Post #7 of 16 (3827 views)
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Hi Werner
About medication.Most of hobbist are
no chemist.Out of ignorance,medication will killed the good bugs.Appreciate if you
can list out which are the safe medicines
that are sell in general.Or any specific
description written on the label to look for? Understand it has to be a long list.I am
looking at a normal layman knowledge,ie.most
common items that we get from aquarium shop.

Thanks & Regards
kenny



jerrylim
Koi Lover

Dec 7, 2001, 10:50 PM

Post #8 of 16 (3827 views)
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Furanol is a tablet form medication that contains 5 mg of Nifurpirinolo (whatever that is) Treatment instructions - 20 tablets to 400-600 litres of water for 4 days. For internal and external bacterial infections in aquarium fish. Manufactured by JBL GmbH & Co KG - Germany.

Its already the 3 rd day of treatment. The Kohaku with ulcer seems to show improvement. Not sure whether its the Furanol or the Iodine and Salt.

But I have 5 other kois that have injuries on the tail. No signs of recovery on these.
A Kohaku even lost a little bit more of her tail. Some of them has this sort of a white piece of string dangling on the wound. Anybody has any idea what it is ?

Behaviour - everyone looks fine.

Will try Melafix after the completion of Furanol treatment.


Werner
Koi Lover

Dec 8, 2001, 8:05 PM

Post #9 of 16 (3827 views)
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Luo LH Kenny--That's a great idea, I will do some research and post the medicines under a seperate heading.

Jerry Lim--Thank you for the further information. I again searched the net and found that this is indeed a bacterial antibitoc used mostly for the aquarium trade.

Glad to hear at least one fish is better. The fins on the other fish seem to be infected with fin rot,the medicine you are using should arrest that also. It would help quite a bit if you could also swab the edges of their tails with iodine.

Pond-On www.wernersponds.com



yennies
Koi Lover

Mar 8, 2007, 12:49 PM

Post #10 of 16 (2342 views)
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Re: [jerrylim] New Fibre Tank [In reply to] Can't Post
JBL GmbH & Co KG - Germany.


Where to buy this tablet bacteria?


thiamhwa
Member / Moderator

Mar 8, 2007, 1:34 PM

Post #11 of 16 (2339 views)
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Re: [yennies] New Fibre Tank [In reply to] Can't Post
Hi Yennies,

If you are located either in KL or PJ area, you may get that tablets from Atarikoi Sdn. Bhd.
9D, Off Jalan Klang Lama, Taman Desa, KL. Tel. No. 7982 4713

Regards,
Thiam Hwa


yennies
Koi Lover

Mar 8, 2007, 2:09 PM

Post #12 of 16 (2331 views)
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Re: [thiamhwa] New Fibre Tank [In reply to] Can't Post
ok...Tq...

Izzit sale in Packing or bottles?

How much they sales?


thiamhwa
Member / Moderator

Mar 8, 2007, 2:23 PM

Post #13 of 16 (2315 views)
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Re: [yennies] New Fibre Tank [In reply to] Can't Post
Hi Yennies,

I do not have the answers to your questions. Just give Robert Gan from Atarikoi a call and
I am sure he will be glad to answer all your enquiries.

Regards,
Thiam Hwa


yennies
Koi Lover

Mar 8, 2007, 2:28 PM

Post #14 of 16 (2311 views)
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Re: [thiamhwa] New Fibre Tank [In reply to] Can't Post
Have u tried it before..? how is the effects?


thiamhwa
Member / Moderator

Mar 8, 2007, 3:06 PM

Post #15 of 16 (2309 views)
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Re: [yennies] New Fibre Tank [In reply to] Can't Post
Hi Yennies,

I have never tried those medicated tablets before and have no idea on its effects.
Lucky for me, although I have been in this hobby for the past 2 years or so, I did not
have to face with any problem from my 13 nos. of koi in my pond.
Just remember the saying ' Look after your water and the Koi will look after themselves '

Regards,
Thiam Hwa


ayranjim
Koi Lover

Mar 15, 2007, 1:05 PM

Post #16 of 16 (2177 views)
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Re: [jerrylim] New Fibre Tank [In reply to] Can't Post
Hello, I live in the country of Chile, what I use is a drug called ( BENZOCAINA) this is a anestetic or a tranquilizer! So, what you can do is trough some of this in your water and it will be easier to catch them, you must read the directions on the bottle! I use this to catch my koi! also I use this to help clean their wounds ! This drug will KNOCK them out!!!They will apear dead in your hand!!This will thus limit their strees!
JIM

 
 
 



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