75 Aquarium set up... Good or bad? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 2 Old 10-21-2012, 05:41 PM Thread Starter
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Unhappy 75 Aquarium set up... Good or bad?

I have:
-a 75 gal tank
-2 koi's
-2 heating sticks 150 w each.
-1 eheim 2215 filter
2 airstones.

Is this a good or bad set up, regardless of the tank size.
Anyways the aquarium has been around for a while now( almost a year), and for the past few weeks i've been getting really cloudy water (yellowish). Why is this happening? I change the water every 8 days and change about 50-60% of it. Do i need one of those circulation pumps?
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post #2 of 2 Old 10-21-2012, 07:27 PM
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How large are the koi? These fish have a significant impact on the bioload. Are you thoroughly vacuuming the substrate during each water change? Sounds like a bacterial bloom which is due to high organics.

You do realize the Koi will grow to between 2 and 3 feet, and very soon need a very much larger space?


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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75 gallons , cloudy water , koi , tank set up

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