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Home: KOI Talk: Pond Water Quality:
Green Water? Now No More!

 





 


DoctrineEng
Koi Lover

Aug 18, 2006, 4:24 PM

Post #1 of 10 (2192 views)
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Green Water? Now No More! Can't Post
Everyone heard about modified clay to control and solve the algae problem in the ponds? This is the natural product and "Non- Toxic", so suitable used for koi fishes pond .

Green Water ==============> Clear Water


Any further information, we can have a discussion and i wish to hear your opinion too.

SK LEE
Environmental Engineer (Water & Environmental)
KIBARAN TERNAMA SDN BHD
No. 17 & 19, Jalan TPP5/13, Taman Perindustrian Puchong,
Seksyen 5, 47100 Puchong, Selangor D.E, Malaysia.
Fax: +603-8061 7033
H/P: +6012-9711812
Email: sklee@saktisuria.com


DoctrineEng
Koi Lover

Aug 19, 2006, 10:09 AM

Post #2 of 10 (2145 views)
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Re: [DoctrineEng] Green Water? Now No More! [In reply to] Can't Post

Another Phoslock Application in China.


andymadd
Koi Lover


Aug 19, 2006, 5:17 PM

Post #3 of 10 (2127 views)
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Re: [DoctrineEng] Green Water? Now No More! [In reply to] Can't Post
Hi

I have heard that clay's will improve clarity but we mostly use it to "Top up" all the minerals contained in the pond water that gradually get used up over time.The other thing to remember is that most green ponds will go clear naturally over time if left alone and "unpoluted" but fish and feeding.

I have never used clay as the water in my area is so hard it comes out of the tap in lumps KH 8 and GH 17 so all I do is water changes to top up the minerals in my pond.

Andy


DoctrineEng
Koi Lover

Aug 24, 2006, 7:40 PM

Post #4 of 10 (2040 views)
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Re: [andymadd] Green Water? Now No More! [In reply to] Can't Post
In Reply To
Hi

I have heard that clay's will improve clarity but we mostly use it to "Top up" all the minerals contained in the pond water that gradually get used up over time.The other thing to remember is that most green ponds will go clear naturally over time if left alone and "unpoluted" but fish and feeding.

I have never used clay as the water in my area is so hard it comes out of the tap in lumps KH 8 and GH 17 so all I do is water changes to top up the minerals in my pond.

Andy
Andy,

You mean you change the water is because you want to add in or "TOP UP" more mineral???Cool


andymadd
Koi Lover


Aug 24, 2006, 7:58 PM

Post #5 of 10 (2036 views)
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Re: [DoctrineEng] Green Water? Now No More! [In reply to] Can't Post
Thats correct over time KH drops and then Ph can crash.So by adding fresh water (from a hard water source) you replenish the calcium that is used.

Andy


utsuri
Koi Lover

Aug 25, 2006, 3:01 AM

Post #6 of 10 (2022 views)
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Re: [andymadd] Green Water? Now No More! [In reply to] Can't Post
Your tap water readings on Gh and Kh are also good for biological activity. That will also help to clear any green water.
I have seen clay work for clearing water too. So Doctor correct me if I am wrong. Many of the Benotite clays that are used for this industry are pretty pure. That means they have very little impurities in them. Making this a 2 part process. The first is bonding between any calcium present in the clay and Phosphorous. Taking the Phosporous out of the food chain for the algae. The second is almost an adhesion process. The tiny particles that make up green water stick to the clay and become heavier than the water and sink to the bottom.

I still say "To clear green water we must look beyond it being a water clarity problem". That misleads us into treating the wrong thing. We need a well balance filtration system that can clean up pollutants fast. Fast is the key. If they sit around, even in very a low amount, nature will kick in other measures "green water" and clean it up for us. That still is not good though. Green water wrecks good water parameters.


(This post was edited by utsuri on Aug 25, 2006, 3:04 AM)


DoctrineEng
Koi Lover

Aug 25, 2006, 12:43 PM

Post #7 of 10 (1999 views)
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Re: [utsuri] Green Water? Now No More! [In reply to] Can't Post
THIS IS HOW THE PHOSLOCK WORKS!



utsuri
Koi Lover

Aug 25, 2006, 8:31 PM

Post #8 of 10 (1980 views)
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Re: [DoctrineEng] Green Water? Now No More! [In reply to] Can't Post
I like the chart you have provided. I do not see where calcium fits in. Does the word Kalkwasser help? I has been my understanding, since my reef aquaria days of old, that calcium will bond with phosphate forcing it to precipitate out of the system. Or atleast into a less useable form. True or false.


DoctrineEng
Koi Lover

Aug 26, 2006, 9:28 AM

Post #9 of 10 (1961 views)
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Re: [utsuri] Green Water? Now No More! [In reply to] Can't Post
Will try to give you the answer. Thanks for having nice communication here


DoctrineEng
Koi Lover

Aug 26, 2006, 10:02 AM

Post #10 of 10 (1958 views)
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Re: [DoctrineEng] Green Water? Now No More! [In reply to] Can't Post
The biggest concern and complaint about koi and fish ponds is algae. Many owners tire of fighting
a losing battle with the unwanted growths which owners either ignore or shut down their ponds.
This is most unfortunate since prevention of unwanted algae is inexpensive and quickly rendered!
What causes algae?
There are many mistruths about causes and cures for algae problems. Most common is that excess
sunlight causes algae and reducing light will cure it. Sunlight does not cause algae… excess nutrients,
particularly phosphorus, cause algae. Many successful ponds can be found in full blazing sun with
crystal clear water, and many ponds covered in green scum can be found in poor or indirect light.
Where does phosphorus come from?
Sources of phosphorus include urban and and rural runoff containing fertiliser, waste from animals and birds
(eg ducks using a pond), fish food and rotting plants and leaves. In most circumstances,
it will be impossible to stop phosphorus entering the pond.
What does Phoslock do?
Algae needs phosphorus to grow. Reducing unwanted algae is entirely about phosphorus control.
Phoslock takes the phosphorus out of the pond and starves the algae.
Phoslock v Algicides?
Algicides provide a temporary solution. They kill algae which then decompose and release
phosphorus back into the water to start feeding more algae. Phoslock is a permanent solution,
it locks up the phosphorus and prevents future growth.


 
 
 



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