Tank water is so green i cant see my fish - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 14 Old 04-28-2009, 09:09 AM
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Were it me, (and it ain't)I would opt for a larger filter rated for 55gal. and the already mentioned,weekly water changes.

The most important medication in your fish medicine cabinet is.. Clean water.
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post #12 of 14 Old 04-28-2009, 09:29 AM
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All of the former posts are good suggestions. There is one major thing causing your green water--lack of proper tank maintenance. Doing things to clean up the water now is fine, but without ongoing maintenance it will only return. Excess nutrients in the water caused it, and will again. Weekly partial water changes, adequate bioload for the tank size, and not overfeeding.

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 youíre going to take it under your wing then youíre 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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post #13 of 14 Old 04-28-2009, 11:17 PM
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Agreed that a combination of all of our replies is tthe best solution
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post #14 of 14 Old 04-29-2009, 01:33 PM
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Algae feeds on nitrates, nitrates are not a nutrient, but a toxin; the third and final toxin to convert in the nitrogen cycle. Even weekly water changes will not eliminate algae; maybe if you performed daily changes, but that would reek havoc on your nitrogen cycle.

Although we don't like the looks of it in our glass aquariums; it's actually a sign of a very healthy tank; and the goldfish love nibbling on it; it's very nutritious.

Under the right conditions; a cycled tank producing plenty of nitrates, sunlight or a plant light and algae blooms.

I have a stock tank and encourage substrate algae; it helps reduce nitrate levels and is a healthy treat for the goldfish, and I don't have to worry about it spoiling the looks of my tank.

Warning; after you remove algae from your tank or pond, be it green water, string or substrate algae; keep a close watch on your nitrates; levels can and will spike, injuring your fish. Increase your water changes for a while.
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