Stock tank de-icer, seems too warm? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 12-31-2016, 05:35 PM Thread Starter
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Stock tank de-icer, seems too warm?

I've got a 300g pond, and live in a climate where the ground is frozen for at least 3 months a year.
I started out with an aquarium heater just to keep an unfrozen spot in the ice but found it wasn't enough.
So bought a floating stock tank de-icer, and while it is working great- I think 10c/50F is probably TOO warm for the winter months (goldfish including some fantails).
Ever since the water temp went up I'm again feeding daily, I skipped a couple days and they shredded a plant that had a few sprouted leaves. Didn't expect that.
I'd prefer they went dormant for winter so I didn't need to hike through a snow drift to feed the fish!

Any suggestions, or should I just lay off the food at these temps? Thanks for any tips.
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post #2 of 3 (permalink) Old 01-13-2017, 04:09 AM
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I had a 6500 gallon Koi pond here in NE Nevada for 18 years. Almost 4 feet deep. I dropped a weighted air stone powered by a Whisper aquarium air pump in every winter. It would keep a 2 foot hole in the ice, and give me some circulation/gas exchange. I would see 8 inches of ice at times. In sub zero weather, I would still have a 10 to 12" hole. I kept the pump in a small box with a light bulb inside. I don't know how deep your pond is but this worked very well for me!
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Last edited by M Allred; 01-13-2017 at 04:11 AM. Reason: duplicate text
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post #3 of 3 (permalink) Old 01-13-2017, 06:06 AM Thread Starter
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Thank you for that.
I should consider something like that. Unsure if fantails can handle the cold but easy enough to research. Will do!
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