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My fish hang out near my waterfall during hot days. Do I have enough aeration in my pond? | Decorative Ponds & Water Gardens Q & A

Q: My fish hang out near my waterfall during hot days. Do I have enough aeration in my pond?

Q: My fish hang out near my waterfall during hot days. Do I have enough aeration in my pond?

Amanda – Rowlett, TX

A: On hot days, who wouldn’t want to hang out near a waterfall! For humans, the water pouring into the pond cools and hydrates the air; for fish, that action acts as a giant aeration system, infusing oxygen into the water beneath the waterfall.

But that raises a valid question: If your fish spend a lot of time near the waterfall, does it mean they’re not getting enough oxygen? Yes, it’s possible. Here are some questions to ask yourself about your pond’s aeration situation.

Is It Getting Full Aeration?

If you’re running your waterfall 24 hours a day, your pond is likely getting full aeration. If your pond is more than 24 inches deep, however, and you have a skimmer/waterfall system in place, more aeration may be necessary. Why? Because the oxygenated water will circulate across the water surface, leaving the water at the bottom of the pond stagnant. Adding an aeration system will prevent stagnation by raising the bottom water to the surface.

Do You Have Many Plants?

Plants may release subsurface oxygen to the water during the day, but at night those plants take in oxygen, which means your fish may be gasping for air. If you have quite a few plants and your waterfall is off—and you experience an algae bloom—you should definitely think about adding some aeration.

Do You Have Many Fish?

The more fish in your pond, the more oxygen you’ll need—which means you’ll need more aeration. If your pond has a high fish population, consider adding some more aeration. For comparison, we recommend one 6- to 8-inch fish per 10 square feet of surface area.

How’s Your Muck Level?

Another clue that your pond is insufficiently aerated is the amount of muck that has accumulated at the bottom of your pond. When your pond is properly aerated, muck naturally breaks up thanks to the healthy and growing population of gunk-gobbling beneficial bacteria.

Low-Cost Aeration

If any of these scenarios apply to your pond, we recommend adding the energy-efficient Pond Logic® PondAir™ Aeration System for ponds up to 2,000 gallons or the Pond Logic® KoiAir™ Aeration System for ponds up to 8,000 gallons. They help to circulate the water and add valuable oxygen, providing the best possible environment for your fish.

Pond Talk: What do you do to ensure your finned friends get enough oxygen during the summer months?

Breathe Life Into Your Pond - Pond Logic® PondAir™ Aeration System

Is it normal for my koi to change color? Why does it happen? | Decorative Ponds & Water Gardens Q & A

Is it normal for my koi to change color? Why does it happen?

Q: Is it normal for my koi to change color? Why does it happen?

Judy – Southport, NC

A: They say a tiger can’t change its stripes – but did you know a koi can change its colors?

As you get to know each one of your koi personally (and you will if you haven’t already!), you may notice changes in the pigment, color depth and hue in the fish’s black, white and red scales. Don’t worry: It’s not necessarily a cause for panic. The color changes can be caused by several factors, including:

Sun Exposure: During the summer when the sun is shining, you get a tan; during the winter, you don’t. It’s the same thing with koi. Their scales can change color depending on their exposure to that bright orb in the sky. They won’t turn an Oompa-Loompa orange during the summer (though that may not be a bad thing to some koi keepers!), but you may notice a color change in some of your fish after their winter slumber.

Genetics: Koi experts will tell you how critical a role genetics plays in the coloration and patterning of koi. Dominant and recessive genes dictate how much hi (red), sumi (black), shiroji (white) and other colored markings appear. And, just like your hair color can change based on your genetic makeup, the koi’s scale color can change, too.

Stress: If your fish are stressed, they may show their unhealthiness in their coloring – just like when you take on a pallor-type tone when you’re under the weather. Make sure to keep your pond clean and well-oxygenated with an aeration system, like the Pond Logic® KoiAir™ Water Garden Aeration System. Also be sure to check your water quality with a water test kit, like the PondCare® Master Liquid Test Kit that measures ammonia and pH, and correct it if necessary.

Diet: A koi’s overall health – just like human’s – is affected by what it eats. Feed your fish food that has enough vitamins and nutrients to support vibrant color, like Pond Logic’s Growth and Color Fish Food. It contains top-quality ingredients, vitamins, natural color intensifiers and chelated minerals that enhance colors in koi and goldfish. To punch up your koi’s colors even more, add some oranges and watermelon to its diet.

Pond Talk: What kinds of color changes have you seen in your koi?

Pond Logic Growth & Color Fish Food - Enhance Fish Health & Beauty

What if my pond has aeration and it still freezes over? Will my fish be okay? | Decorative Ponds & Water Gardens Q&A

What if my pond has aeration and it still freezes over? Will my fish be okay?

What if my pond has aeration and it still freezes over? Will my fish be okay?
Sue – Boston, MA

The reasons for aeration during the winter months are largely the same as they are during warmer weather. The oxygen provided by aeration is vital to the health of fish – all year ‘round. In the winter, aeration does double duty, both by introducing sufficient oxygen to the water, and by preventing the formation of ice that could contain harmful gases produced by leaves and other decaying material on the pond’s bottom. As long as the aerators keep some of the water from freezing, the fish in the pond will have sufficient oxygen to weather the cold.

If your aerator can’t keep up with the impact of a long cold snap, and the pond freezes entirely for a short time, your fish should be fine. Short term freezes shouldn’t pose a threat to a well maintained pond – and fish will have sufficient oxygen to survive the temporary freeze. During longer cold snaps, however, harmful gases can accumulate, and you may need to take measures to open the ice. To accomplish that task, it’s important to avoid the use of hammers, drills or other percussive tools. The effects of violent vibration can be harmful to fish. Instead, try applying buckets of hot water to melt vent holes.

To prevent freezing, we recommend the use of our Pond Logic® Water Garden Aeration Systems. With the system installed, it’s wise to prepare for winter by situating stones throughout the pond. For an added measure of assurance, you may also want to suspend some stones closer to the surface to generate more surface-level water movement, while leaving the bottom of the pond still for fish.

Pond Talk: Have you had your pond freeze over even with the help of an aerator?

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I have a waterfall in my pond, is that enough aeration? | Decorative Ponds & Water Gardens Q&A

I have a waterfall in my pond, is that enough aeration?

I have a waterfall in my pond, is that enough aeration?
Robert – Racine, WI

Waterfalls are one of nature’s greatest creations. In addition to providing breathtaking beauty and places for daredevils to kayak and – for some inexplicable reason – ride over in padded barrels, they serve as massive aeration systems, introducing fresh oxygen into the ecosystem that fish and plants need to thrive. In backyard ponds, waterfalls serve many of the same functions – but their scale is often inadequate to provide sufficient aeration. They also fall a bit short as places for kayakers and barrel riders to strut their stuff.

So, while your backyard waterfall definitely helps to keep water oxygenated, additional aeration is always helpful – especially when algae begins to grow, and fish are faced with warming water and reduced oxygen levels. To provide the aeration any backyard pond needs, we strongly recommend our KoiAir™ and PondAir™ Aeration Systems. With a wide variety of options available for ponds of every size and depth, these systems help to increase circulation and reduce stratification to provide the healthiest possible environment for fish and decorative plants.

For signs that your pond’s aeration is insufficient, look for increases in muck and debris at the pond bottom. When properly aerated, muck is broken up naturally, leaving the bottom clean and the water clear. If you have fish, and they surface regularly or gather beneath a waterfall, your aeration may be inadequate. If that’s the case, you’ll give your fish cause for celebration by installing additional aeration – and you’ll have the satisfaction of a clean, clear pond that makes your backyard the perfect sanctuary.

Pond Talk: Do you run a separate aeration system in your pond?

Pond Logic Pond Air

I like the idea of a pond but will it also bring more mosquitos? | Decorative Ponds & Water Gardens Q&A

I like the idea of a pond but will it also bring more mosquitos?

I like the idea of a pond but will it also bring more mosquitos?
Crystal – Baton Rouge, LA

If pondkeeping were a recipe for multiplying mosquitoes, it would be tough to justify having a pond at all. Fortunately, the same things that make a pond attractive to you make it an unwelcome spot for mosquitoes looking to settle down and start a family.

Mosquitoes, it seems, like prefer to lay their larva in stagnant water. As it turns out, ponds are much healthier and more attractive when they’re well aerated. The benefits of aeration are twofold. First, aeration helps gases produced by the breakdown of organic matter to dissipate naturally – which in turn eliminates the potential for unpleasant pond odor. Second – and very importantly – a well-aerated pond is a lousy place for mosquito larvae. That’s why so many of our customers turn to our PondLogic® PondAir™ and KoiAir™ Aeration Systems.

For pondkeepers who prefer a more dramatic display of mosquito-beating aeration, we recommend our All In One Filter Systems. In addition to the oxygenating benefits of aeration, these pumps double as fountains, sending up a spray of water to keep you entertained – while keeping mosquitoes at bay.

Under some circumstances, aeration isn’t a viable alternative. In those cases, our Mosquito Bits and Mosquito Dunks offer a safe, EPA-approved means to kill mosquito larva for up to 30 days.

So don’t let the threat of mosquitoes stand between you and your pond. Give them the fight of their lives – and we’ll do everything we can to make sure you come out ahead.

Pond Talk: Have you battled mosquitoes around your pond? How did you keep them away?

Pond Logic® PondAir™ Aeration Systems

Why are my koi gasping for air? – Water Garden & Features Q & A

Gasping Koi

Water Garden & Features Q & A

Q: My koi seem to be gasping for breath at the surface of my pond. Why are they doing this? – Bill in Louisiana

A: If your koi are coming to the surface of the pond to gulp for air, they’re doing more than just saying hi. They’re employing a survival strategy! Due to a lack of aeration or poor water quality, your pond’s water probably does not have enough dissolved oxygen in it for the fish to “breathe,” so they’re gasping for oxygen from the air.

This lack of sufficient oxygen can then cause the fish to stress, which then inhibits their immune systems and opens the door for parasites and disease. But you can prevent that from happening by aerating the water and keeping the water quality as crystal clear as possible.

Koi breathe by pumping water over their gills to extract dissolved oxygen from the pond water. Depending on their activity level, koi require varying amounts of oxygen. For instance, a koi’s active summer metabolism will require more oxygen; a hibernating winter metabolism will require less oxygen.

This can be a challenge during the warm summer months, when the pond’s water temperature rises. Warm water holds less dissolved oxygen, so just when the fish need it the most, it’s at a lower concentration!

To pump more oxygen into the water, you can also add plants to your pond, which naturally release oxygen into the water during the day. Your waterfall or fountain will also add oxygen to your pond. But depending on your fish load and pond size, plants and a fountain often aren’t enough – especially during the summer. That’s where an air diffuser, like the KoiAir® Water Garden Aeration Kit, can help. Powered by a silent, reliable compressor, a diffuser system will add oxygen to your pond, aerate, circulate and eliminate dead spots, keeping your pond and fish active and healthy all year long.

Because poor water quality can also cause fish to gasp for air at the pond’s surface, you should also check your filtration system, and test your ammonia and nitrite levels with a standard test kit, like the Pond Care® Master Test Kit. If your levels are high, consider adding beneficial bacteria, like Pond Logic® LiquidClear™, to kick-start your pond’s nitrogen cycle.

Once you aerate your pond and make sure your water quality is in check, your koi should stop gulping oxygen at the surface. When they do greet you at the water’s edge, it’ll be for a juicy slice of watermelon or some Pond Logic® Floating Ponstix fish food instead!

POND TALK: When you see your fish gasping for breath, what do you do?

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