wordley
Koi Lover
Jun 22, 2005, 11:41 PM
Post #1 of 9
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Cloudy Water
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I have a 600 gallon raised pond which half of it is sheltered buy a very large tree, i am using a Laguna Pressure Flo 12000UVC (Cinister Filter) and also a Oase Filtoclear 11000 (Canister Filter)
with the recommended underwater pumps working together to keep the water nice and clear. (gone a bit overboard with the filtration i know) Both Have UV's as well.
All was working very well, the water was so clear i could have drunk it (ok maybe not)
The filters have been in and working since March with no problems until one morning i notice the water was starting to go very cloudy. I did a water test and the Nitrite levil was 2.0mg/l .
I did a 50% water change on day one and again on day 2 The nitrite levil is .25 mg/l now but the water is still cloudy and thought it would have cleared buy now.
All troubles started as the weather became quite hot this last fortnight.
The temp of the water is 80deg and the fish look very healthy and are feeding ok. Is it the hot weather that is causing the
water to be cloudy ? also considering the filtration i have there is a lot of bits floating around in the water.
I was feeding them 3 times a day but i think was feeding them too much hence the spike in Nitrite?
I have cut the feeding down to twice a day this last week, a small amount in the morning and in the evening.
In the pond i have 4 small koi approx 4 inch & 4 small goldfish.
The water readings are
Ammonia 0.0
Nitrite 0.25
Nitrate 0.0
PH 8.0
Could anyone tell me what i am doing wrong or what i can do to improve the cloudy / bitty water.
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Have you thought about adding another filter??? 
Just a though, is the tree an oak by any chance. its possible that tanins from the tree may have gotten into your water. Just a thought. 