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Pond Aerators

Improve water quality and increase oxygen levels with a Pond Aerator!

Pond aeration is essential for maintaning a healthy pond or lake. We offer the top brands of pond aerator systems and sub-surface air diffusers from Scott, Kasco and Matala. Our bright LED lighting for 2023 in bright or warm white and our new super large RGBW LED's, DIY options allow you to make custom colors and patterns for winter. Great service after the sale is what our customers receive!! Submersed aeration systems and floating pond aerators improve water quality by increasing oxygen levels.


Product Catagory: Ask for our current promo codes!!!

Pond and Lake Aeration update for January: The cold freezing temuratures are upon us and pond season is around the corner! Aeration is essential for keeping your pond healthy in preparation for summer. A decorative pond aerator along with a sub-surface air diffuser if your pond is deeper than 10 feet, will maintain a healthier pond all year long. Oxygen is the most essential element for life. All aquatic life forms need oxygen, from the fish down to the bacteria, all bodies of water have what is called “oxygen demand”, and oxygen is also in the shortest supply. Ponds and lakes get oxygen in two ways, photosynthesis from algae and plants, and atmospheric oxygen that is transferred into water at the surface of the pond. Read our tips below on things to consider before purchasing your aerator. Prevent problems and protect your aerator down the road like muskrats or beavers chewing on cable. Can't get electricity to the pond...no problem...for remote farm ponds, we have Solar Pond Aerators!!

Pond and Lake Aeration

How to choose the proper size aerator for you pond:
To help you choose the right size aerator, refer to our charts on How to choose the right size aerator for your pond. Or one of our experts can help you determine what size unit would be best for your pond or lake.

Scott Aerator 1 HP DA-20 Winter Pond Aerator  Scott Aerator in frozen pond Pond Aerator in a large community pond during winter 

Are algae blooms and foul odors taking over your beautiful pond? Our pond aerators will help improve the quality of your water, and we back our aerators with a five-year warranty to ensure that they will get the job done. Anywhere improved water quality is needed - whether it’s your backyard pond, an irrigation pond on a farm or golf course, or your community’s detention pond, we have a solution for you!

Though the splashing water of a decorative floating fountain supplies a degree of beneficial surface aeration, the spray and propeller of aerating fountains supplies more GPM (gallons per minute), meaning a higher volume, more splashing and movement of water than a decorative fountain offers. Decorative aerators with the v-shaped plume spray pattern offers a higher degree of oxygen transfer than decorative fountains, which could be the best choice for a large body of water with aeration as the primary goal.

A stagnant lake can make even the most beautiful aquatic environment become unsightly and odorous. In order to keep your lake enjoyable and healthy for years to come, you will need an aeration system. Aquatic plants and fish live in the water, and they need oxygen to live. Plants and fish also give off carbon dioxide and other gases that need to escape the water. For still water, gas exchange can only occur on the surface. Water on the surface gets fresh oxygen from the air. But this is only enough to oxygenate the surface. Oxygen won’t make its way down to deeper water naturally. So aeration is the process of mixing fresh oxygen throughout the whole pond. This fresh oxygen keeps your pond water healthy and your fish and microorganism’s alive and well.

Aquatic plants and fish need oxygen to live. Plants and fish also give off carbon dioxide and other types of gases that need to escape the water. For still water, gas exchange can only occur on the surface. Water on the surface gets fresh oxygen from the air. But this is only enough to oxygenate the surface. Oxygen won’t make its way down to deeper water naturally. So aeration is the process of mixing fresh oxygen throughout the whole pond. This fresh oxygen keeps your pond water healthy and your fish and microorganism’s alive and well.

As you can see, aeration is very important. But you already know that, stirring up all the water is the best way to ensure adequate circulation. This is what you need to avoid stratification and turnovers.

Why Use an Aerator?

Pond aerators are a type of mechanical device that can disburse oxygen into an aquatic environment at a high volume. This disbursement creates an oxygen-rich environment and prevents water from becoming stagnant, which cannot only be unsightly, but also hazardous to your health. Bacteria breeds quickly in stagnant water, and ingesting it can be dangerous.

Our Top Brands
Discount Pumps is pleased to provide products from leading manufacturers.
Scott Aerator is an experienced manufacturer of high-quality water aeration systems and pond fountains for more than 50 years. They are a family-owned business that offers tested, proven, American-manufactured fountains and aerators, guaranteed. Their products have a 5 year warranty and have been best sellers for Discount pumps since we opened in 2003.
Kasco Marine specializes in floating decorative and aerating fountains along with other products that promotes healthy water quality. They offer 2 and 3 year warranties and continue to grow in popularity after over 40 years of business.

Choosing the right size aerator for your pond


Pond depth, shape, and size are all factors that come into play when selecting an aerator.
Depth: The minimum pond depth for a decorative aerator is 4 feet.
Shape: Pond aerator will work good for aerating round ponds. However, for ponds with an irregular shape, the water will not circulate as well in the outer areas, and a surface aerator may not have the ability to aerate all areas of the pond. Sub-surface air diffusers can be placed in outlying areas in that case.
Size: Aerators in larger ponds require more powerful motors. A good rule of thumb when choosing a motor for an aerating fountain is 1.5 HP per acre. The height of the spray is also determined by the size of the pond. To avoid too much water being removed, a fountain should spray water to a height of no more that half the width of the pond.

Lighting and pond supplies
Discount Pumps offers other pond accessories, including lighting for your aerator, rocking piston sub surface aeration kits, cleaning supplies, sludge remover, and blue pond dye. Discount Pumps professionals are available to help customers figure out which type of aeration that is best suited for their pond, and other equipment like solar powered fountains and aeration packages that will be the most beneficial for their needs.



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