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 Lifegard Aquatics AquaStep Pro UV light Sterilizer Aquarium Clarifier Pond Fish $39.99 Time Remaining: 4h 43m |
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 9W UV STERILIZER LIGHT AQUARIUM POND KOI TANK CLARIFIER $34.90 Time Remaining: 2d 3h 40m Buy It Now for only: $34.90 |
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 Odyssea Pond Aquarium UV sterilizer 36W + 500GPH Pump $69.99 Time Remaining: 16d 11h 25m Buy It Now for only: $69.99 |
 36W UV STERILIZER FOR AQUARIUM FISH TANK POND FOUNTAIN CLARIFIER NEW 36 WATT $58.95 Time Remaining: 25d 4h 49m Buy It Now for only: $58.95 |
 9w UV Sterilizer Pump Fountain ALL IN ONE 600g Pond $84.95 Time Remaining: 17h 32m |
 9W 18W 36W UV Light Lamp Sterilizer Aquarium Clarifier Pond Fish Reef Tank Bulb $34.90 Time Remaining: 19d 3h 15m Buy It Now for only: $34.90 |
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 NEW 18 WATT UV LIGHT STERILIZER AQUARIUM POND FISH TANK $49.90 Time Remaining: 2d 3h 30m Buy It Now for only: $49.90 |
 Jebao 55W UV Sterilizer For Koi Gold Fish Pond 55 Watt $102.69 Time Remaining: 12d 2h 37m Buy It Now for only: $102.69 |
 36W UV Sterilizer + Pump odyssea Koi Pond Coral Algae $69.99 Time Remaining: 28d 17h 57m Buy It Now for only: $69.99 |
 9 Watt UV Light Lamp Sterilizer Aquarium Clarifier Pond Fish Tank w Bulb Tube $34.95 Time Remaining: 2d 3h 36m Buy It Now for only: $38.95 |
 Odyssea Pond Reef UV sterilizer 18W + 500GPH Pump + FS $59.99 Time Remaining: 18d 8h 1m Buy It Now for only: $59.99 |
 75W Stainless Steel UV Sterilizer Up to 19000 Gal Pond Suitable 4 High Pressures $249.95 Time Remaining: 2d 6h 7m Buy It Now for only: $249.95 |
 UV Bulb 36W 36 watts Lamp 2G11 Base Pond Sterilizer Clarifier for Odyssea New 1x $14.95 Time Remaining: 17d 3h 37m Buy It Now for only: $14.95 |
 9w UV Sterilizer Pump Fountain ALL IN ONE 600g Pond $84.95 Time Remaining: 1d 15h 18m |
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 9W Aquarium UV Sterilizer + 500 gph Pump Pond Reef Fish $49.99 Time Remaining: 28d 23h 24m Buy It Now for only: $49.99 |
 STAR 9 WATT UV CLARIFIER KOI POND STERILIZER w FILTER PUMP $39.00 Time Remaining: 1d 5h 55m |
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 9w UV Sterilizer Pump Fountain ALL IN ONE 600g Pond $84.95 Time Remaining: 2d 14h 8m |
 18 Watt Koi Pond Aquarium UV Sterilizer Clarifier UV Light $62.95 Time Remaining: 24d 9m Buy It Now for only: $62.95 |
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 NEW JEBAO 110W UV STERILIZER FOR KOI FISH POND AQUARIUM $299.99 Time Remaining: 4d 48m Buy It Now for only: $299.99 |
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 NEW SEALED INSURED FEDEX Laguna PowerClear PT 520 Fish Pond Water UV Sterilizer $71.49 Time Remaining: 2d 22h 14m Buy It Now for only: $79.69 |
 Koi Pond Aquarium 18 Watts UV Sterilizer Clarifiers $56.98 Time Remaining: 21h 48m Buy It Now for only: $56.98 |
 72 Watts UV Sterilizer Clarifier For Koi Fish Pond Pool Fountain 72W 3 Fitting $159.99 Time Remaining: 7d 2h 18m Buy It Now for only: $159.99 |
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 36W 36Watt UV Sterilizer Light Bulb 2G11 Odyssea Pond NEW Lamp $15.99 Time Remaining: 18d 5h 41m Buy It Now for only: $15.99 |
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 Koi Pond Aquarium 36W UV Sterilizer Clarifier $94.95 Time Remaining: 1d 15h 16m |
 55W UV Clarifier Sterilizer For Aquarium Reef Tank Koi Fish Pond Water Fountain $115.50 Time Remaining: 7d 19h 57m Buy It Now for only: $115.50 |
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 New 7000gal Capacity Koi Pond Bio Filter w 18watts UV Sterilizers Clarifiers $214.95 Time Remaining: 17h 26m |
 110 Watts UV Sterilizer Clarifier For Koi Fish Pond Pool Fountain 110W 3 Fitting $220.99 Time Remaining: 7d 2h 25m Buy It Now for only: $220.99 |
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 36W 36 Watt Compact UV Sterilizer Bulbs Lamp Pond Reef 2G11 $15.97 Time Remaining: 26d 23h 14m Buy It Now for only: $15.97 |
 72Watt Koi Pond Aquarium 72W UV Clarifier Sterilizer $119.95 Time Remaining: 1d 15h 13m |
 Koi Pond Aquarium 13 Watts UV Sterilizer Clarifiers Freshwater Saltwater OK $54.50 Time Remaining: 25d 4h 13m Buy It Now for only: $54.50 |
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 STAR 5 WATT UV CLARIFIER KOI POND STERILIZER w FILTER PUMP $35.00 Time Remaining: 21h 23m |
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 STAR 13W WATT UV CLARIFIER KOI POND STERILIZER w FILTER PUMP $56.00 Time Remaining: 1d 1h 31m |
 36W UV Sterilizer Clarifier 36 Watts Fish Pond UV Light Aquarium koi Pond $79.99 Time Remaining: 12d 23h 23m Buy It Now for only: $79.99 |
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 18 watt UV Sterilizer Pond Aquarium Light Fish Tank $32.99 Time Remaining: 8d 12h 32m Buy It Now for only: $32.99 |
 24W UV Light Sterilizer Aquarium Fish Pond Clarifier Tank Lamp + Power supply $53.99 Time Remaining: 12d 10h 54m Buy It Now for only: $53.99 |
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 BEST 5 WATT UV CLARIFIER KOI POND STERILIZER w FILTER PUMP $35.00 Time Remaining: 2d 22h |
 75W watt High Pressure Stainless Steel UV Sterilizer Clarifier Pond Koi $219.00 Time Remaining: 24d 7h 19m Buy It Now for only: $219.00 |
 1 pc 55W Replacement UV Sterilizer Light Bulb 2G11 Jebao Pond $18.50 Time Remaining: 12d 8h 15m Buy It Now for only: $18.50 |
 5W UV Light Sterilizer Aquarium Fish Pond Clarifier Tank Lamp+Power supply NEW $39.90 Time Remaining: 21d 2h 40m Buy It Now for only: $39.90 |
 NICE 5 WATT UV CLARIFIER KOI POND STERILIZER w FILTER PUMP $35.00 Time Remaining: 4d 2h 40m |
 4000Gal Pond Pressure Bio Filter w 13W UV Sterilizer $149.95 Time Remaining: 3d 3h 37m Buy It Now for only: $149.95 |
 4x 36W Compact UV Sterilizer Bulbs Lamp Pond Reef 2G11 $24.99 Time Remaining: 28d 7h 11m Buy It Now for only: $24.99 |
 UV Lamp Tube Light Bulb Aquarium Lamp Pond Clarifier Fish Tank UV Sterilizer NEW $12.99 Time Remaining: 8d 10h 48m Buy It Now for only: $12.99 |
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 11 Watt UV Light Sterilizer Aquarium Fish Pond Tank $31.99 Time Remaining: 8d 12h 32m Buy It Now for only: $31.99 |
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 SAVE 5 WATT UV CLARIFIER KOI POND STERILIZER w FILTER PUMP $35.00 Time Remaining: 6d 18h 18m |
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 2x 18W UV Sterilizer Light Bulb 2G11 Odyssea Pond NEW $19.99 Time Remaining: 21d 7h 39m Buy It Now for only: $19.99 |
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Pond Sterilizer
Choosing the Right Pond Skimmer
Pond Skimmers for the Koi Pond Or Koi Water Garden
Ponds skimmers are a vital part of any koi pond or watergarden and is an important choice when considering construction of an outdoor pond. Like all products there are many brands and sizes of pond skimmers to choose from. Factors that determine the size, number and brand include the size and shape of the pond, how many fish, and how many leaves end up in the pond. The main purpose of the pond skimmer is to skim debris and amino acids off the surface of the water before they have a chance to break down and foul the water. The skimming action is created by the face plate or weir which has a floating door. The reason the door floats is to insure that most of the water entering the skimmer is pulled from the surface of the water at different water levels. From there the water goes through a leaf net or basket to catch large debris and can be emptied with ease. Then the water goes through a mechanical filter of either course filter pad or filter brushes. This acts as a mechanical filter and also provides biological filtration. The next phase the water goes through is the pump chamber that usually houses the main pump or pumps for the pond where it is pumped to the other end of the pond, a waterfall or a stream that flows into the pond. It is important that the skimmer and water return are on opposite sides of the pond to insure good waterflow through out the pond surface area with no stagnant areas. Stagnant areas breed mosquitoes and the pond shape may require more than one return or more than one skimmer.
Water Flow and Pump Size
Before choosing a pond skimmer it is important to know how much water movement is required for the koi pond or koi pond watergarden. Ideally the entire volume of the pond water needs to be turned over at least once every two hours. For koi only ponds this rate should be once every 1 - 1.5 times per hour. For example a 5,000 gallon pond would require 2,500 gallons per hour flow rate. To calculate the volume of water multiply the average length times the average width times the average depth to get the cubic feet of water. Multiply the cubic feet times 7.5 to get the volume in gallons. For example a pond 12 feet long, 8 feet wide and 2.5 feet deep would have 240 cubic feet of water (12 x 8 x 2.5 = 240). 240 x 7.5 = 1,800 gallons of water. This would require at least 900 gallons per hour of water movement. The next thing to consider is how high the water has to be pumped. This is called head pressure, which most high quality pumps will list in their specifications. For instance, a 1,200 gph pump may only pump 900 gph at 3 ft. of head pressure. The size of pipe will also make a difference in the pump flow rate. For best flow rates the pipe inside diameter should be 1/2 inch larger than the pump outlet size. If a pump has 1 1/2 inch outlet the pipe inside diameter should be 2 inches for best flow rates. The piping will still cause some restriction and 100 gph for every 10 feet of piping should be added to the pump size. Now lets put it all together. The pond is 12 x 8 x 2.5 and has a waterfall that is 3 feet above the water line and the total length of pipe used is 20 feet. 12' x 8' x 2.5' = 240 cubic feet. 240 x 7.5 = 1,800 gallons. 1,800 / 2 = 900 gph. 900 + 200 = 1,100. The pump size needs to be at least 1,100 gph @ 3' head pressure. It is important to realize that koi can grow very fast and it is best to account for that when determining waterflow and filtration requirements.
Once the waterflow requirements have been determined the size of skimmer can be determined. Most skimmers are rated in size by the maximum and minimum gallons per hour of water that they can handle. It is best to choose a skimmer that has a higher maximum and lower minimum flow rate than the pump used.
Top Brands and Features of Pond Skimmers
The top brands of pond skimmers on the market today are Atlantic, EasyPro, and Savio. Each has accessories that can be incorporated in the skimmer like UV sterilizers and auto fill valves. Atlantic has more sizes available than the other manufactures. The Atlantic PS4000 and PS4500 utilize a leaf basket and filter with flow rates from 500 - 4000 GPH. The Atlantic PS4600, PS4900, PS7000, and PS9500 incorporate a leaf net and filter brushes with flow rates from 3,000 - 9,000 GPH. The filter brushes can be replaced with a filter media pad as a matter of preference. EasyPro offers three sizes of pond skimmers and use a leaf net and filter brushes with a separate pump chamber for easy maintenance. They have the largest leaf net of their competitors which is a must if there are trees close to the pond. They range in sizes of 3,000 - 15,000 GPH. EasyPro also has an external pump skimmer for use with an external pump and also incorporates a fitting for using a bottom drain. Multiple external pump skimmers can be plumbed to one pump, ideal for odd shaped ponds where one skimmer is not enough. Savio has the Compact SkimmerFilter and the SkimmerFilter. Different size faceplates are available for each skimmer for different flow rates from 700 - 8,500 GPH. They use a leaf basket and filter media pad. Options include the UVinex which is a UV sterilizer that mounts in the skimmer and different sizes are available. If more than one pump is used the Atlantic Big Bahama and the EasyPro Large skimmers are the best. For features like an internal UV sterilizer or auto fill valve the Savio Skimmer filter is the best. For small pond applications the Savio Compact Skimmerfilter is the best unless you are on a limited budget and then the Atlantic Skimmer fits the bill.
Choosing the right pond skimmer and pond pump will make a big differnece in the success of creating and maintaining a beautiful koi pond or koi watergarden with healthy fish. It is much better to spend the money up front and not have to upgrade or replace these two vital parts of the water pond later. Buying a cheaper pond skimmer or pond pump does not always save money.
About the Author
Owner of KoiPondFever.com
15ft round pool liner work for koi pond?
I want to use a pool liner there cheap,im wanting to go 15 round and 4ft deep....big i know.im putting sand down in the hole first...so will it work and wat all filters do i need i know i need a pump and a filter but do i need a skimmer too and a uv sterilizer..if so which brand is best...not first koi pond but going from a 4 by 6 now and it 1ft deep....any help will be nice.
The swimming pool liner won't hold up unless you place in the pool frame it was built for. Some pool liners have antimicrobials and mold inhibitors in them that will harm the fish. You might have to swim in it for a season or two before it would have leached out enough that it no longer would kill off the fish. A surface skimmer if you or your neighbor has a tree is essential and a UV sterilizer is needed unless you like pea green water for a month or two in the spring until it naturally clears to a degree.
First koi in DiY pond