Las Vegas 1000 gallon pond and heater???


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I've got a 14 by 10 foot (at furthest ends) pond. 26 inches deep at deepest part.

1000 gallons

Las vegas can get down to around 28f on the coldest nights...

Normally winter will be in the 35-50f degree range at night


I'm thinking about a 300 watt submersable pond heater.

Any thoughts on my gallons and temperature range as far as pond heaters???

I never had to think about this with my ponds in Hawaii lol.


Fish are currently gold fish, guppies, jollies
 
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Goldfish will be fine , not sure about guppies and mollies as far as temps are concerned. The 300 watt heater shoud be fine, don't think your pond will freeze over but with the way the weather has been lately, it couldn't hurt to have the heater in case your pond does ice over. Just put it in and if you get ice, plug it in. We have members who have guppies to help you out as far as winter care.
 
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Guppies won't survive in water that goes below 60 degrees. I'm sure there's some math that would answer whether the size heater you're thinking of will accomplish the goal of keeping your pond above 60 degrees, but I don't do math, so... haha!

Actually I think it's going to be a challenge to heat your pond because of the surface area - you have a lot of exposed water in a pond, unlike an aquarium for example. All that surface area is going to cool down very quickly. Some people cover the entire pond and heat the space instead of the water - is that an option? Like a greenhouse type structure or a dome of some kind. Controlling the air temperature would make sense to me. You may even be able to accomplish that with a heat lamp.
 
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I'd prefer an in water heater and uncovered if its doable.

I have 12 beautiful guppies and I'd like to keep them alive. 2 mollies.

I feel the 200 goldfish will be fine as it dosent get too cold here..

All about the guppies
 
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That's a lot of water to heat. I guess you could contact a swimming pool company and see if they have a small heater that might meet your needs. $$$$$$. Personally, I would bring the tropical fish indoors for the winter and not heat the pond. You are only talking about 14 tropical fish. Get a stock tank or decent size aquarium for them and you are all set.
 
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I ordered an 800 watt heater..

Then cancelled heater...

Now I'm looking at 300 watt floating heaters.

I'm thinking instead of trying to heat up the whole 1000 gallons..

I'll instead just try and heat up a 4 foot by 4 foot section that's only a foot deep where the guppies seem to like to be
 
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I can't see ice coving your pond for any duration. Even a extremely cold night of say 20 and your weather didn't get over 32 for a day I doubt the co2 levels would be fatal as long as some air made it into the pond. But keep it toward the surface try not to disturb the bottom of the pond as thats the sweet spot for your fish to winter in . Just about any pond heater I would think would do the job .it wont have to we or too hard.
 
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@GBBUDD - @Killemall is concerned about heating the pond for his guppies, not keeping ice off the pond.

@Killemall I'm guessing your assumption is the fish will stay where the water temp is higher. I don't know that that is necessarily true. Nor do I know enough about your pond to know if you can keep the water from mixing. Warmer water in a cold pond is at the bottom, not the top. Will the fish figure it out? Or will their instincts tell them to go lower? No clue! And remember, keeping a hole in the ice requires keeping a very small area of the surface of the water just above freezing. That's a different proposition than actually heating the whole pond.
 
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I know what you are saying...

Geeze. I thought reptiles were hard. I've kept some large monitor lizard species. I'm talking dog sized lizards.

But this new pond is proving to be more of a challange
 
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As a guppy owner, I suggest you set up a 10 gallon tank and bring them in. Probably should bring the mollies in too. Set up a HOB ( hang on back) filter, fill it with pond water, add fish, maybe some plants, and enjoy winter. You’ll see a population increase, and get to move them out next spring when water temps are over 60. A normal temp room will keep the aquarium water a good temp for them, but if you really do want the population to increase while inside, add a small aquarium heater, plenty of plants and decorations, do 20% weekly water changes, and watch for your females to get big.
 
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It’s not letting me add pictures from my photo library. I put 20ish in a 100 gallon outdoor mini pond and mostly ignored them all summer, ended up with over 200. Had a teacup filled with fry by the end. I now have a thread on building an indoor pond just for them, with a mini bog filter, hopefully I’ll be able to add the males at least next week.
 

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@Killemall Just out of curiosity, have you searched online to see what acceptable water temps (ranges) are for guppies/mollies? That would give you an idea of what you have to shoot for. I have a FB friend who lives in Las Vegas. I’ll ask her what her pond‘s water temps do in the winter. I have to agree with the others about taking your tropicals inside during winter. “Heating” an outside pond just doesn’t seem feasible. There is a difference between “heating” and “keeping an open hole in the ice.”
 
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I think the lowest possible is 55 degrees from what I've read. With 60 entering the danger zone.

My goal is to be 70 degrees if possible.

I still have 45 days before it will start getting into the 60s at night here in vegas.

Still currently hitting 100 degrees here in vegas.

I'll try a floating 300 watt deicer and use my temp gun to get an idea of the shallow area water temp where it will be.

If it's not doing the trick then I will bring them inside
 

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