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How often do I need to replace the air filter on my (Airmax) Aeration system? | Pond & Lakes Q&A

How often do I need to replace the air filter on my (Airmax) Aeration system?

How often do I need to replace the air filter on my (Airmax) Aeration system?
Mike – Flat Rock, MI

First, for people strapped for time, we’ll go with the short answer. Under ordinary circumstances, we recommend filter replacements every six months. If you live in a dry, dusty environment, it’s best to change the filter every three to four months. For Airmax Filters, we strongly recommend Airmax Silent Air Black Air Filters (Complete), and Airmax Silent Air Replacement Air Filter Elements for routine replacement.

Now, for those who want the rest of the story, here’s the long answer, which, incidentally, also makes for fascinating cocktail party conversation. To make sense of our recommended filter replacement schedule, it’s important to understand why it’s even necessary at all.

First and foremost, regular filter changes will prevent the premature failure of your filter compressor pump. As it turns out, filter pumps are designed to perform best with clean filters. When filters become clogged, the compressor is forced to work harder. When it works harder, its wear parts are subject to greater wear and tear. And if a filter is left unchanged for too long, an overworked pump is likely to fail. Accordingly, given the cost of replacing a pump, regular filter changes are a much more economical alternative.

In addition to the stress they place on pumps, dirty filters won’t allow the compressor to do the job they’re intended to do, circulate pond water. As a result, the entire pond ecosystem feels the effects. With regular filter changes, pond water is safer for fish and plants, and clearer and more enjoyable for the people who care for them.

Occasionally, our customers ask whether filters can be cleaned and reused. While it seems like a logical option, filters can’t be effectively cleaned – and their performance is significantly compromised. We also strongly discourage the installation of a wet element in a filter system, given the potential to further stress the pump and to unintentionally introduce foreign contaminants into the pond.

As an economical alternative to filter cleaning, we recommend the use of Airmax Silent Air Replacement Air Filter Elements, rather than installing a complete filter unit. The savings are significant – and the filter system will be ready to perform flawlessly for another three to six months.

Happy aerating.

Pond Talk: Do you notice the performance of your aeration system begin to decline as the filter becomes clogged?

Airmax SilentAir Complete Air Filter

I shut my aerator off for the winter, will I have to introduce it slowly again in the spring? | Pond & Lakes Q&A

I shut my aerator off for the winter, will I have to introduce it slowly again in the spring?

I shut my aerator off for the winter, will I have to introduce it slowly again in the spring?

George – Albany, NY

As pond owners we buy aeration systems for our water bodies with the intentions of creating a cleaner and healthier environment for both ourselves and our fish. While aeration systems are great at eliminating water stratification and promoting the ideal environment for a healthy pond, the key to proper use is proper installation.

The surface of your pond reacts to the ambient air temperature and warmth from the sun considerably faster than deeper regions. As we head into spring the temperature will begin to rise as the sun shines down on your pond. The top layer of water in your pond will begin to warm up quickly while the bottom of your pond stays dark and cold. Furthermore, the surface of your pond is exposed to oxygen which is naturally wicked into the water column but remains only in the upper layers. This formation of warmer and cooler layers of water is known as stratification. Stratification can become a potential hazard as the two different layers of water will sometimes flip or “turnover” and mix together causing a sudden change in water temperature and dissolved oxygen levels which, depending on its severity, can make it difficult for your fish to adapt to the quickly changing environment.

Airmax Aeration Systems are designed to infuse oxygen into your water column from the bottom of the pond while continuously circulating the water. This constant action aids to prevent water stratification for occurring. However, when aeration is introduced suddenly and continuous to your pond you are, in essence, creating a man-made turnover by forcing all of the water at the bottom of your pond to the surface.

When installing an aeration system in your pond, or upon reintroduction of your system after winter removal, you will want to run your system in small increments that grow in duration over the course of a week. Think of this process as the same way you acclimate new fish to your pond. You wouldn’t just grab a new fish by the tail and toss them in your pond, you float their holding container in your pond and slowly mix some of the water together to give them time to adjust to the variations in each environment. By running your aeration system for only an hour the first day you install it and doubling the run time each day after, your aeration system will be running continuously by the end of the week while keeping your fish safe from pond turnovers.

Pond Talk: Have you ever experienced turnover in your pond? Share your stories with potential aeration newcomers and pond veterans alike.

Keep your pond healthy all year long!

Do I Need Aeration in the Hot Summer Months? – Pond & Lake Q & A

Picture of Three Diffusers in a Bottom Bubbler Aerator

Q: Do I need aeration in the hot summer months?
- Several Customers

A: We are just starting to enter into the hottest days of summer. Are you and your pond prepared to deal with the scorching heat? The need for aeration in your pond during these temperatures is far greater than any other part of the year. Although most pond owners are aware of this fact, few know the true reasons behind the need.

The Need For Aeration
First, let’s start with the actual need for aeration in your pond. Every pond is a “time bomb” just waiting to go off. A pond that has just been excavated is usually nutrient free, making it easy to take care of. This stage in a ponds life is called Stage 1, and may only last one year depending on nutrient inputs. Man-made ponds and lakes tend to gain large amounts of nutrients in a short period of time, often after only a couple years of existence. When a pond enters this period of excess nutrients, it is called Stage 2. Once a pond enters this stage, you will begin to experience large amounts of algae and weed growth. Also during this stage the pond will develop a large buildup of organic debris at the bottom of the pond called “muck”. The “muck” in your pond will slowly decompose and release nutrients into the water column. These excess nutrients will cause more weed and algae growth. Along with the nutrient spike, the water body will also experience a rise in toxic gas levels. Also, when organic material decomposes, it uses oxygen in the water, causing dangerously low oxygen levels in the depths of your pond. Because ponds without aeration normally become thermally stratified, the toxic gasses created on the bottom buildup in the cool water underneath. A change in temperature, a heavy rain, or sometimes even high winds can turn the water over allowing the toxic, oxygen-deprived water at the bottom to mix into the top layer leaving your fish without oxygen and causing a fish kill.

Fountains vs. Bottom Bubblers
Many pond owners will turn to fountain aeration or surface aerators to experience some form of aesthetics for their dollar. While fountains are aesthetically pleasing, they will only draw surface waters. This leaves the bottom of the pond uncirculated and does nothing to eliminate toxic gases underneath. A better alternative is to consider a bottom bubbler. The bottom bubbler will circulate the entire water column, and eliminating the thermocline. This allows the organisms present to utilize the entire pond, not just the upper layer. The best option for a bottom bubbler is the Airmax® Aeration system. In combination with aerobic, “muck” eating bacteria (such as Pond Clear Natural Bacteria), the system can eliminate up to 5 inches of “muck” per year.

How Airmax® Aeration Works
The system consists of a high quality air compressor which is mounted in a cabinet housing unit. The compressor pumps air through a lead free self-weighted air hose and out of the diffuser plate on the pond bottom. The diffuser assembly comes with air stones that inject oxygen into the pond directly and create a column of medium bubbles lift and circulate the entire water body. This keeps the oxygen levels even throughout the pond or lake. Something that is important to keep in mind is how to run the compressor. The aerator is as simple to run as plugging in the cord, and to reduce stress on organisms in the pond you should follow this start-up procedure.

Starting Up Your Airmax® Aeration System
When an aerator is first installed it is important that you don’t begin running it constantly right away. If the aerator rotates the water column too quickly, it can actually cause a fish kill by moving the toxic gases throughout the pond in one fell swoop. The best route to take is to run the aerator for only 30 minutes on its first day, then shutting it off for the remainder of that day. The second day you should run the aeration system for one full hour then turn it off. The third day double to 2 hours, then to 4 hours the next, 8 the next, until you are running your system all day. This process will take 7 days to accomplish. Not only should this process be followed the first time an aerator is installed, it should be followed every time the aerator is turned on after an extended shutdown.

Relax…
Now that we’ve covered the different needs and phases of pond aeration, lose the headache, and relax in the heat knowing you’re on your way to a healthy pond ecosystem.

Additional Information For The Reader
Airmax® Aeration is the 1st step in the 4-Steps To The Perfect Eco-System and is by far the most important. Steps 2, 3 & 4 are conveniently placed in a combined package called a ClearPAC. The ClearPAC is our all-in-one solution to a clear pond including Pond Clear Bacteria, Nutri-Defense pond clearer, and Natures Blue dye.

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