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I have a de-icer but my pond totally froze over. Help! What do I do? | Decorative Ponds & Water Gardens Q & A

Q: I have a de-icer but my pond totally froze over. Help! What do I do?

Q: I have a de-icer but my pond totally froze over. Help! What do I do?

Maggie – Carlisle, PA

A:  When frigid weather persists for days on end – like those way-below-zero temperatures – a pond can completely freeze over, even if a higher-watt de-icer and aerator are used. The ice-melting combination works great in most scenarios, but it just can’t keep up in extreme conditions.

Do keep in mind that pond de-icers are not meant to thaw the entire pond’s surface or heat the water. Their primary purpose is only to keep a hole in the ice to allow gas to escape. With that said, if your pond has been totally frozen over for a day or so, your fish will be fine. But if it has been more than a few days or weeks, your pond pals could be at risk of oxygen deprivation or overexposure to dangerous gases trapped beneath the ice.

So what do you do?

Let’s start with what not to do – and that’s to try to smash the ice with a chisel or blunt object. The sound and vibration of that pounding on the ice amplify underwater, which can stress out your fish. They’re already unhappy, and so you certainly don’t want to make them endure more trauma!

Instead, use a pot of hot water to melt away the ice. If it’s particularly thick, you might need to repeat the process several times to open a complete hole in the frozen stuff. While the temperatures remain frigid, check on the pond every few days to make sure the hole is still open; if it freezes over again, use hot water to open the hole back up.

With several more months of winter ahead of us, it’s not too late to add a de-icer to your pond if you don’t already have one. Simply place a unit, like the K&H Thermo-Pond De-Icer, on the ice and turn it on. It will heat up and melt through the ice – as long as temperatures aren’t too extreme! For an extra boost, pair your de-icer with an aeration kit. The bubbling action also disrupts ice formation and even if the pond’s surface is covered with ice, an aeration system will still deliver oxygen into the pond.

Pond Talk: How is your pond faring during these extreme frigid temperatures?

The Ultimate in Winter Protection - PondAir™ & Thermo-Pond De-Icer Combo

 

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I have a de-icer but my pond totally froze over. Help! What do I do? | Decorative Ponds & Water Gardens Q & A

Q: I have a de-icer but my pond totally froze over. Help! What do I do?

Q: I have a de-icer but my pond totally froze over. Help! What do I do?

Maggie – Carlisle, PA

A:  When frigid weather persists for days on end – like those way-below-zero temperatures – a pond can completely freeze over, even if a higher-watt de-icer and aerator are used. The ice-melting combination works great in most scenarios, but it just can’t keep up in extreme conditions.

If your pond has been totally frozen over for a day or so, your fish will be fine. But if it has been more than a few days or weeks, your pond pals could be at risk of oxygen deprivation or overexposure to dangerous gases trapped beneath the ice.

So what do you do?

Let’s start with what not to do – and that’s to try to smash the ice with a chisel or blunt object. The sound and vibration of that pounding on the ice amplify underwater, which can stress out your fish. They’re already unhappy, and so you certainly don’t want to make them endure more trauma!

Instead, use a pot of hot water to melt away the ice. If it’s particularly thick, you might need to repeat the process several times to open a complete hole in the frozen stuff. While the temperatures remain frigid, check on the pond every few days to make sure the hole is still open; if it freezes over again, use hot water to open the hole back up.

With several more months of winter ahead of us, it’s not too late to add a de-icer to your pond if you don’t already have one. Simply place a unit, like the K&H Thermo-Pond De-Icer, on the ice and turn it on. It will heat up and melt through the ice – as long as temperatures aren’t too extreme!

Pond Talk: How is your pond faring during these extreme frigid temperatures?

The Ultimate in Winter Protection - PondAir™ & Thermo-Pond De-Icer Combo

 

Enjoy this article?
Join over 60,000 fellow pond owners and receive our Weekly Pond Talk every Saturday.

 

My pond froze over. How do I get it open again? | Decorative Ponds & Water Gardens Q & A

Q: My pond froze over. How do I get it open again?

Q: My pond froze over. How do I get it open again?

Janet – Minneapolis, MN

A:  Brrrr. Jack Frost, Elsa and the rest of the cold-weather crew sure have been busy lately, haven’t they? Despite the use of a de-icer, aeration system and other ice-prevention tactics, long bouts of frigid temperatures and wind-whipped nights can cause ponds to freeze over. And that’s not good news for your fish.

So what can you do? When considering your hibernating finned pals, time is critical. Too long without an open area in the ice for gas exchange could mean dangerous conditions for your koi, goldfish and other pond fish.

Overnight, No Problem

If the pond has been frozen over since last night, your fish should be just fine. Cold, windy nights often cause extra layers of ice to form on the pond’s surface. If your de-icer and aeration are on and functioning properly, some of the ice should melt on its own. Meanwhile, your fish will have plenty of dissolved oxygen in the water to tide them over.

A Week or More, Get Busy

If it’s been a week or longer with no hole in the ice, it’s time to take some action. Without a hole, ammonia and other noxious gases are unable to escape into the atmosphere, and your fish will have no access to fresh oxygen. Here’s what to do when ice overtakes your pond.

  1. Melt It: First, melt a hole back open in the ice by pouring a bucket of hot water onto the frozen stuff near your de-icer or aerator’s airstones. Do not drill through the ice or bang on it with a hammer as this will stress your fish, which are probably already stressed out.
  2. Systems Check: Once a hole is open, check to be sure your de-icer and aeration systems are still running and functioning properly. If not, repair the damage or replace the unit altogether. The PondAir™ & Thermo-Pond Combo, which is an all-in-one aerator and de-icer, works to keep a vent open in ponds up to 2,000 gallons. See the video below for tips on installing the PondAir™ & Thermo-Pond De-Icer Combo.
  3. Reposition Airstones: Finally, if your airstones are positioned at the bottom of your pond, relocate them. Put them in a shallower area that’s closer to the water surface. This will create more movement – and that means a bigger hole.

Should frigid temperatures and a solid ice sheet persist, take a daily trip to your pond to check on the gas exchange hole. Your aerator and de-icer should do the trick, but be ready to melt through the ice if needed.

Pond Talk: How often does your pond freeze over in the winter?

Vent Ponds Up To 2,000 Gallons - PondAir™ &;amp Thermo-Pond 3.0 De-Icer Combo

I was out at my pond today and it is still partially covered with ice. I have a de-icer and aeration – isn’t that enough to keep the ice off my pond? | Decorative Ponds & Water Gardens Q & A

Q: I was out at my pond today and it is still partially covered with ice. I have a de-icer and aeration – isn’t that enough to keep the ice off my pond?

Q: I was out at my pond today and it is still partially covered with ice. I have a de-icer and aeration – isn’t that enough to keep the ice off my pond?

Mark – Buffalo, NY

A: During these frigid months of the year, a hole in the ice means the difference between life and death for your pond fish. That opening allows oxygen to flow into the liquid water while it dissipates harmful gases caused by decaying debris and fish waste into the air.

Bubblers and de-icers both keep a hole open in the ice, but they go about it differently.

  • Bubblers, like the ones found in Airmax® PondAir™ Aeration Kits, are designed to gently and quietly move the water surface, and that action keeps a hole open in the ice. The aerator also delivers oxygen to the lower levels in your pond while bringing harmful gases to the surface to be released.
  • De-icers, such as the Thermo-Pond De-icer, melt surface-forming ice and create a gas exchange vent in the ice. While effective, during cold windy nights they may not be be enough to keep a hole open on their own.
  • Bubbler-De-icer Combos, like Airmax® PondAir™/Thermo-Pond De-icer Combo, is an energy-efficient option. Because the aerator will bring harmful gases to the surface and your de-icer helps to keep the hole melted, you’ll be sure to keep the ice vent open.

The bubblers, de-icers and combos are not designed to warm the water or keep the entire pond surface ice free. They’re meant to keep an opening for gas exchange, which is all that’s needed for the fish in your pond.

As long as the equipment you have in the pond is sized correctly (see your manual for details on what yours can effectively handle), you won’t need a larger hole. Your fish are less active, not eating and producing less waste, and so they won’t have the gas exchange requirements they do in the warmer months.

If your vent does freeze over during extra cold temperatures, simply pour hot water on the ice where the hole once was. It’ll melt the hole back open – and your fish can breathe a sigh of relief!

Pond Talk: How do you keep a hole in the ice in your water garden?

Keep Your Fish Safe - Airmax® PondAir™ & Thermo-Pond 3.0 De-Icer Combo

There are so many de-icers to choose from. What size do I need? | Decorative Ponds & Water Gardens Q & A

Q: There are so many de-icers to choose from. What size do I need?

Q: There are so many de-icers to choose from. What size do I need?

Pia – Spokane, WA

A: A de-icer is an important piece of equipment in areas where water features freeze over during the winter. This little device maintains a small opening in the ice, which allows harmful gas to escape into the air allowing for efficient air exchange. It can be the difference between life and death for the fish and other inhabitants in your pond.

Which de-icer is best for your situation? It will depend on how many gallons your pond holds, and if you’re using it alone or with an aeration system.

First, here’s what we recommend for de-icers based on the size of your pond:

  • Up to 250 gallons: 100 to 250 watt de-icer
  • 250 to 500 gallons: 300 watt de-icer
  • 500 to 1,000 gallons: 750 watt de-icer
  • 1,000 to 1,500 gallons: 1,250 watt de-icer
  • 1,500 to 2,000 gallons: 1,500 watt de-icer

K&H™ Perfect Climate™ Pond De-Icer comes in 250-, 750- and 1,500 watt options. The thermostatically controlled de-icer is designed for floating or submersible use. Farm Innovator’s Floating Pond De-Icer, pumps out 1,250 watts of ice-melting power. It’s also thermostatically controlled and turns on when water temperature drops below 35°F.

These de-icers do a great job, but keep in mind that they can be expensive to run non-stop during the cold months. A 1,500 watt de-icer can cost up to $75.00 to operate. That’s a big bill for a small hole!

That’s where an aeration system comes into play.

Aeration systems – can help maintain a hole in the ice while adding oxygen and are infinitely more energy-efficient than pond de-icers. When used in tandem, aeration can significantly reduce the wattage requirements of your pond de-icer, allowing the use of a smaller 100 watt de-icer. It’ll cut energy costs and save you money all season long. For example a 2,000 gallon pond using the PondAir™ 4 and 100 Watt Thermo-Pond De-Icer will cost $5.40 per month instead of $75.00 using a de-icer alone. Not a bad deal!

If you decide to go this route – and why wouldn’t you? – Select the Airmax® PondAir™ and Thermo-Pond 3.0 De-Icer Combo. The combo comes with either the Airmax® PondAir™ 2 (for ponds 1,000 gallons or less) or the Airmax® PondAir™ 4 (for ponds 2,000 gallons or less). Both the PondAir™ 2 and PondAir™ 4 includes: air stones, check valves, black vinyl air tubing and the 100 Watt Thermo-Pond De-Icer. For an additional charge, you can also throw in a Mini Boulder TrueRock™ Cover to protect the air compressor.

De-icers are important, but they don’t have to break the bank. Invest in an aerator-de-icer combo and save your money for something you really want – like some new koi!

Pond Talk:What parts of your winter landscape do you most look forward to?

Safeguard Your Fish This Winter - PondAir (t) 2 & Thermo-Pond De-Icer Combo