Pond Aeration Systems - Basics of Selecting and Installing

!: Pond Aeration Systems - Basics of Selecting and Installing

When looking for a solution to managing water quality, or simply for aesthetic enhancement, there are three basic types of pond and lake aerators to consider; surface spray aerators, air diffused systems and horizontal aspirators or mixers. Each type has unique differences and efficiencies which can be utilized in many different ways to achieve maximum benefit. Below are some basic guidelines to take into account when selecting and installing an aeration system.

Selecting an Aeration System: The size, shape and depth of a pond should dictate the type of aeration system, or combination of systems to be used; keep in mind when water quality management is an objective, recommended sizing is 2HP per surface acre.

Surface Spray (Floating) Systems: Ponds less than 15 ft deep, or wherever fountain spray aesthetics are desired.

Diffused Aeration Systems: Ponds 15 ft and greater in depth, and when no surface spray is desired. (Note: Efficiency is lost when used in ponds less than 15 ft, but can be remedied with additional diffuser manifolds placed throughout the pond. These systems are not recommended for ponds less than 8 ft.)

Mixers and Aspirators: In ponds less than 9 ft deep where lateral movement is dictated, or no surface spray is desired.

Electrical Requirements: In order to operate the systems efficiently, and without nuisance tripping, it will be necessary to know if sufficient power is available, how close it is to the source, and if there are other electrical requirements that may be utilizing the same source, ie. irrigation, lighting, etc. It's also important to follow both local and national electrical codes during installation, which will often require burying/trenching wire in conduit from the power source to the aerators power control center, and from the PCC out to the ponds edge.

Having operational electricity is necessary before flotation and start-up of any aeration system, for security and mechanical considerations, and may become a scheduling consideration that could need attention. A certified electrician may also be required during installation.

System Installation: There are two ways of securing most units into position, anchoring (to the pond bottom), and mooring (to the pond edges, either above or beneath the surface.) Methods of securing and quality of materials used can affect security, ease of service, and safety, and should be included in the planning process. Tools and materials required can include: a shovel (to bury/trench cable,) conduit, stainless steel cable or nylon rope, cinder blocks and a boat (when anchoring,) and rebar or duckbill anchors (when mooring.) Diffused Air Systems do not require anchoring or mooring, but a boat is often required during installation.

Intensive landscaping around the pond such as retaining walls, waterfalls, and planting beds could affect the installation process, in addition to future available access for service or maintenance. Further coordination may be needed between the aeration installer and landscape and/or irrigation contractor in these instances as well.

Pond Aeration Systems - Basics of Selecting and Installing

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The Different Kinds of Pond Pumps

!: The Different Kinds of Pond Pumps

All pond pumps are not created equally. The kind of backyard water garden you want to create dictates which pond pump you choose. Learning about the different kinds of pond pumps will help you determine which model best meet your needs.

The pump is the heart of your water garden. It circulates water through your pond's filtration system the same way our hearts circulate blood and oxygen throughout our bodies. It is also responsible for aerating your pond and helping to keep it clean. There are four types of pumps to choose from, so it's important to identify what specific functions you need yours to perform.

The four types of pond pumps are:
Direct Drive Pumps Magnetic Drive Pumps Statuary Pumps External Drive Pumps

Direct drive pumps are one of the most powerful models, and they are usually used in ponds featuring large waterfalls and streams that require a significant amount of water flow. These pond pumps operate using a powerful electric motor that turns an impeller to move the water around your pond.

Magnetic drive pumps are not quite as powerful as their direct drive counterparts, but they're more efficient. They use a magnetized impeller rather than an electric motor, and they are best used for waterfalls and streams that need a more moderate water flow.

Statuary pumps are more commonly referred to as fountain pumps, because they are used to power fountains, spitters, and other stand-alone decorative applications in your pond.

External drive pumps must be installed outside of your pond, but they can be easily hidden among foliage or in a larger water application. They can push large amounts of water and are a good choice when you need optimal water flow.

The Different Kinds of Pond Pumps

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Smart Solar 23931R01 Ceramic Solar Cascading Fountain, Glazed Green Bamboo Design

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A green ceramic solar powered 4-tier cascading fountain with wrapped bamboo leaf design that uses a low voltage solar pump to constantly recirculate water from the main bowl reservoir, providing the continuous sound of running water.

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Create a relaxing atmosphere in your garden or patio with this natural slate corner fountain. This solar powered 5-tier fountain operates in direct sunlight and constantly recycles water from its hidden resevoir. This fountain has a patented underwater integral solar panel and pump system and is simple and easy to install. Requiring no wiring, simply sit back and enjoy the soothing sounds of water as it trickles down each tier. www.garden4less.co.uk

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www.outdoorliving.com The Smart Solar Portsmouth Solar Birdbath is definitely for the birds and will add ambiance to your patio, porch, deck, or garden. This freestanding fountain features a patented underwater integral solar panel and filtered-pump system to keep the water aerated and re-circulating. The decorative design on the bowl and traditional column pedestal make it a nice accent for any garden or patio area. Draw all the birds to your home with this solar birdbath!

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An aquaponics system run completely off of solar power. A homemade solar panel charges a battery and in turn powers an air and water (bilge) pump. An Arduino (overkill, I'm sure, but there's more to it than just that) with a relay on the board controls the water pump - 3 minutes on, 17 minutes off. No siphon system, just fill and drain. Currently I have white tilapia and green swordtails in the pond and lettuce, cherry tomato, chives, and rosemary plants in the black cinder grow bed. This is my first system, so I'm learning a great deal. The panel produces enough voltage (~14V under load) to charge a 12V battery and by solar cell specs produces ~2A. The water pump is on a timer because the panel does not collect enough to power the water pump and air pump 24/7. I am currently in the process of adding another water pump.

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