Filters For Pond
Filters For Pond
 Beckett 7114310 Waterfall Pump 3500gph List Price:  |
 Danner 02720 Pond Mag 9.5 950-Gallon-Per-Hour Pump with Foam Prefilter List Price: |
 Danner 02477 Pro1000 Pond Waterfall Box List Price: |
Eligible for free shipping!
 Sunterra 334018 18-Watt UV Clarifier Sale Price: $89.99 |
 Pondmaster 02940 40-Watt Ultra Violet Light Pond Water Clarifier List Price: |
 Beckett Replacement Bulb for UV9 Filter List Price: |
 FMC300 DUPONT 200 Gallon Faucet Mount Filter Cartridge List Price: |
 TotalPond DD11560 560 GPH Pond Pump Sale Price: $69.97 |
 Danner 02680 HY Drive 3,200 GPH Pump List Price: |
 Matala Pond Vacuum II Muck Vac Sale Price: $209.95 |
How to Choose a Pond Pump
The pond pump is truly the “heart” of your pond. They are needed for a variety of functions – from general circulation to powering water features. The good news is there are a wide variety of pond pumps available from very reputable manufacturers. For just about any use, there will be multiple products available to choose from. The bad news is selecting the right pump for your needs can be a very daunting task. In this article we will provide you with a solid foundation to select the right pump for your pond application.
Uses of Pond Pumps
Pond pumps are used in four main applications:
Pond Circulation: All ponds require water circulation in order to maintain a healthy aquatic environment and to prevent stagnation. Even if your pond does not include a water fall, pond filter, or pond fountain, a pump is needed to circulate the water. Moving water provides oxygenation, prevents thermal layer turnover, reduces algae growth, and prevents mosquitoes from laying eggs on the water surface.
Pond Filters: A very common pond pump application is for use with pond filters. In this application the pump provides the water flow through the filter, ensuring the optimal amount of toxin removal.
Pond Water Features: If your pond includes a waterfall, pond fountain, or statuary fountain, a pump is required to provide the water flow for the feature. One of the great aspects of water features is that they provide multiple benefits to your pond’s aquatic environment. Water features provide not only circulation and aeration, but some also provide filtration – such as a waterfall weir with an integrated filter.
Pond Aerators: Pond air pumps are a great solution for applications that require oxygenation, but when water flow is undesirable. The most common pond air pump application is pond winterization. Used in conjunction with a pond deicer, the air pump provides a constant flow of oxygen and gas exchange to the pond without a flow of water which only makes the pond colder.
Types of Pond Pumps
Submersible Pumps: Submersible Pond Pumps are installed completely underwater, typically in the deepest part of the pond. This class of pump is generally suited for smaller ponds, or for water features requiring less that 4,000 GPH. The main benefit of a submersible pumps is that they are visually unobtrusive and run very quietly. They are also very easy to install, just make sure the cord length is sufficient for your needs. The downsides to a submersible pond pump is that they must be frequently removed from the pond for cleaning and maintenance. They also generally cost more to operate than an external pond pump, although there have been some significant improvements recently in submersible pump energy efficiency.
External Pumps: As their name implies, External Pond Pumps are designed to be installed outside of the pond, or “in-line”. External pond pumps are a better choice for medium to larger ponds. They can handle greater water flows (4,000 to 10,000 GPH) and are less costly to operate. Other benefits of an external pump include ease of maintenance, longer average life, and the ability to replace parts as external pumps are not encased in resin like a submersible pump. On the downside, an external pump takes more time and effort to install, they must be camouflaged from view, and they are generally more expensive than submersible pond pumps.
Direct Drive Pumps: Direct Drive Pond Pumps are more common to external pumps as they have the ability to draw water toward them. Direct drive pumps are appropriate for applications which require a significant amount of head height – such as pumping water upslope for a waterfall. They are generally more costly to operate than a magnetic drive pond pump, but in many cases they are the only choice when a substantial amount of water flow is needed. If you are purchasing a submersible direct drive pump, be sure that it is oil free, as leaking oil can harm pond fish and aquatic plants.
Magnetic Drive Pumps: Magnetic Dive Pond Pumps (or Mag Drive Pumps) are usually designed as submersible pumps as most are unable to draw water into the pump. The power is created through an electromagnetic field which turns the impeller. Their main benefit is energy efficiency and a longer useful life. In addition, Mag Drive pond pumps are easy to repair as typically all that is needed is a magnetic shaft and impeller (the only moving parts). The downsides are they cannot provide sufficient water flow for high head applications, and they are slightly more expensive than direct drive pond pumps. In general, if you do not have a high head requirement and are looking for a submersible pump, the magnetic drive pond pump is the best choice.
Air Pumps: Air Pond Pumps do not provide any water flow. They draw air into the pump then diffuse it into small bubbles. Air pumps are most commonly used for pond winterization as they provide oxygenation and gas exchange without providing water flow.
Choosing the Right Size Pond Pump
To choose the right size pond pump, first determine the proper application category: 1) Filtration and Recirculation; or 2) Water Features.
Filtration and Recirculation: The general rule of thumb for filtration and recirculation applications is the pump should turn the pond water over a minimum of once every two hours, and ideally once an hour. For example, if your pond is 3,000 gallons the ideal pump size is 3,000 GPH, but not less than 1,500 GPH. My personal preference is to always err on the high end of the range. A pump’s flow can always be slightly restricted, but never increased. Also, make sure your pump is the right size for your pond filter’s specifications.
Water Features: Choosing the correct pump size for a water feature is a bit more involved. The first step is to determine how much water flow you need at the discharge point of the water feature itself. Let’s use a waterfall as an example as this is the most common water feature. For each inch of waterfall width you need 100 to 150 GPH. So, if you have a 14” wide waterfall weir you will need 1,400 GPH to 2,100 GPH of water flow over the lip of the weir.
The next step is to calculate the head height. Head height refers to the approximation of the vertical and horizontal distance the water must travel from the pump to the top of the waterfall. Horizontal distance is calculated at a 10:1 ratio, while vertical distance is calculated at a 1:1 ratio. For example, if the horizontal distance from the pond pump to the waterfall is 30’, this equates to 3’ of head height. If the vertical distance from the pump to the top of the waterfall is 7’, this equates to 7’ of head height. Therefore, the total head height for this application is 10’.
The last step is to review the manufacturer’s power curve for the type of pump you have selected to determine the appropriate pump size. Let’s use the Cal Pump Mag Drive as an example. The PWM3900 model is rated at 4,100 GPH of water flow at the pump discharge, but is rated at 2,280 GPH of water flow at a 10’ head height. This would be a good choice for this particular example. Remember, it is always better to err on the high end of the GPH range as this will put less strain on the pump.
About the Author
John B. Benjamin is the owner of The WaterGardener which provides a wide selection of pond, koi fish and water garden supplies at wholesale prices, as well as valuable information on building and maintaining your pond. http://www.thewatergardener.com
Home made pond skimmer filter.
 |
 |
Replacement Pads for Jebao Bio Pond pressure filter PF-30/CF-30, Cyprio |  |
0 Bid | US $44.95 | 7h 57m |
 |
12- Water Hyacinth Plants Natures Filter for Ponds or Koi | |
5 Bids | US $15.00 | 8h 6m |
 |
12- Water Hyacinth Plants Natures Filter for Ponds or Koi | |
4 Bids | US $8.49 | 8h 7m |
 |
15- Water Hyacinth Plants Natures Filter for Ponds or Koi | |
5 Bids | US $8.00 | 8h 8m |
 |
15- Water Hyacinth Plants Natures Filter for Ponds or Koi | |
3 Bids | US $5.50 | 8h 8m |
 |
15- Water Hyacinth Plants Natures Filter for Ponds or Koi | |
2 Bids | US $8.49 | 8h 8m |
 |
25 Water Hyacinth Plants Natures Filter for Ponds or Koi | |
8 Bids | US $14.05 | 8h 9m |
 |
25 Water Hyacinth Plants Natures Filter for Ponds or Koi | |
14 Bids | US $11.35 | 8h 10m |
 |
25 Water Hyacinth Plants Natures Filter for Ponds or Koi | |
5 Bids | US $7.99 | 8h 10m |
 |
30PCs Bio Ball w/ Sponge for Fish Koi Pond Filter Tank Aquarium Aqua Filtration | |
0 Bid | US $9.50 | 10h 37m |
 |
12- Water Hyacinth Plants Natures Filter for Ponds or Koi | |
3 Bids | US $8.00 | 12h 27m |
 |
12- Water Hyacinth Plants Natures Filter for Ponds or Koi | |
4 Bids | US $8.49 | 12h 28m |
 |
Nursery Pro UltraKlean pond filter for 3500 gallon ponds #npuk35 | |
2 Bids | US $61.00 | 14h 31m |
 |
15PC 1" Bio Ball w/ Sponge for Aquarium Koi fish Pond Filter Filtration Media | |
0 Bid | US $5.99 | 16h 47m |
 |
Fish Canister External 5 Stage Filter Pump For Aquarium Pond Pump Fish Tank New | |
 |
US $84.95 | 17h 36m |
 |
Fish Canister External 5 Stage Filter Pump For Aquarium Pond Pump Fish Tank New | |
|
US $74.95 | 3d 17h 30m |
 |
Replacement Pads for Jebao Bio Pond pressure filter PF-30/CF-30, Cyprio | |
0 Bid | US $44.95 | 1d 8h 47m |
 |
Pondmaster 190 Pond Pump & Filter Kit-for water gardens | |
0 Bid | US $107.75 | 1d 14h 25m |
 |
Pump, Filter & Fountain for Ponds-submersible/all in one/decorative water spray | |
0 Bid | US $152.85 | 1d 14h 27m |
 |
Savio 22" Waterfall Filter for pond/water garden/koi. | |
0 Bid | US $504.90 | 1d 14h 28m |
 |
Savio Compact Pond Skimmer-Filter for koi/water gardens | |
0 Bid | US $332.10 | 1d 14h 28m |
 |
Fish Canister External 5 Stage Filter Pump For Aquarium Pond Pump Fish Tank New | |
|
US $84.95 | 1d 17h 39m |
 |
Filter Fiber Cotton White for Fsh Aquarium Pond | |
0 Bid | US $5.24 | 1d 17h 58m |
 |
5PC Zip Filter Bag Net for Aquarium Pond Filtration Media Fish Tank bio ball | |
0 Bid | US $5.99 | 2d 3h 45m |
 |
2pcs 9W 9 watt UV Light Bulbs for Tetra Pond Filter | |
|
US $12.98 | 25d 13h 32m |
 |
ELECTRIC WATER PUMP FILTER UNIT FOR FISH POND 5 HEADS Home Garden Fountain New | |
0 Bid | US $47.25 | 2d 14h 36m |
 |
Fish Canister External 5 Stage Filter Pump For Aquarium Pond Pump Fish Tank New | |
|
US $84.95 | 2d 17h 36m |
 |
42mm Diameter Bio Balls Filters Media for Fish Tank Pond 2 Pcs | |
0 Bid | US $3.91 | 1d 18h 14m |
 |
Tetra Pond Bio-Active Pressure Filter BP1500-UV for Ponds up to 1500 Gallons | |
0 Bid | US $154.69 | 2d 20h 16m |
 |
Laguna ClearFlo 1400 – Complete Pump, UV and Filter Kit, for Koi ponds 1400gal | |
|
US $264.95 | 25d |
 |
4000 Gallon Pressurized Pond Filter For Koi Fish Pond | |
|
US $149.95 | 3d 18h 7m |
 |
Laguna Skimmer Filter (PT495) for Koi & Gold Fish Ponds | |
|
US $146.49 | 12d 6h 40m |
 |
10' ROLL PINKY AQUARIUM MEDIA WET DRY FILTERS PADS FOR KOI PONDS BONDED BIO BALL | |
|
US $7.95 | 22d 14h 30m |
 |
Koi Fish Waterfall Water Pump And Filter Unit For Pond Effects Garden Fish Tanks | |
1 Bid | US $44.49 | 3d 13h 32m |
 |
Sunterra model 337106 Pump Pre-Filter for Ponds up to 500 Gal. Filter Box | |
|
US $13.00 | 3d 15h 20m |
 |
6000 Gallon Pressurized Pond Filter For Koi Fish Pond | |
|
US $179.95 | 26d 15h 44m |
 |
2 Pcs 18 watt UV Bulb Lamp for Tetra Pond Filter 18W | |
|
US $19.99 | 14d 21h 8m |
 |
(3) 12"X10.5" Filter Media Bags Bio Balls Carbon for Aquarium Fish/Koi Pond | |
|
US $7.77 | 27d 8h 9m |
 |
** BRAND NEW ** " TETRA " BFL1000 BIO-FILTER MADE FOR PONDS OUTDOOR PROJECTS | |
0 Bid | US $49.99 | 2d 7h 6m |
 |
30 live freshwater clams for your pond or tank to filter for crystal clear water | |
|
US $14.99 | 11d 10h 51m |
 |
Laguna PowerFlo Max Biological Underwater Filter Pt-505 for ponds | |
|
US $69.99 | 22d 20h 14m |
 |
Pond filter media for Koi fish ponds, filters | |
|
US $23.00 | 25d 8h 21m |
| Powered by phpBay Pro |
Filed under Air Filters by on Dec 7th, 2009. 
Leave a Comment