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vfm59

Koi/Goldfish not eating

vfm59
13 years ago

We recently bought a very powerful ultra violet light for our pond which houses Koi (7 fairly large ones) and about 15 goldfish. the pond is 4 foot deep and 8 foot square. We have never had a problem with our fish eating, but since the light sorted out our very bad algae problem they have slowly been eating less and less. For the last three days not eating at all, the pond is now clear, but we are concerned that there may be a problem. How do we check the water quality and PH levels and what should they be. Other than this they all seem quite happy with no 'flashing' or visible sores. Possibly the only other noticable thing is that they are 'Basking' at the top of the pond. Please can anyone help????

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