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SUN CPF-2500 Grech Pond Bio Pressure Filter, UVC Upto 1600 gal, 13W

4.3 4.3 out of 5 stars 1,223 ratings

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Purchase options and add-ons

Brand Sun Microsystems
Color Black
Style Submersible
Product Dimensions 12"L x 16"W x 12"H
Item Weight 4.4 Kilograms
Maximum Flow Rate 26.6 Gallons Per Minute
Voltage 120 Volts

About this item

  • Biological and mechanical filter chambers for more efficient removal of dissolved and solid waste
  • Simple quick handle cleaning system for easy maintenance (no need to open and clean foams all the time)
  • Enables rapid growth of aerobic bacteria resulting in removal of lethal ammonia and nitrite
  • Able to cope with higher water flows compared to traditional gravity filters
  • Complete with inlet and outlet hose adapters.Outlet/Inlet hose adapter 3/4 inches~5/4 inches

Customer ratings by feature

Easy to install
4.5 4.5
Easy to clean
4.3 4.3
Value for money
4.1 4.1

Frequently bought together

$114.89
Get it as soon as Wednesday, Apr 3
In Stock
Sold by CNZ Lighting and ships from Amazon Fulfillment.
+
$26.99
Get it as soon as Monday, Apr 1
In Stock
Sold by CLL Pet Supplies and ships from Amazon Fulfillment.
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$7.59
Get it as soon as Monday, Apr 1
In Stock
Sold by myaquastore and ships from Amazon Fulfillment.
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This Item
SUN CPF-2500 Grech Pond Bio Pressure Filter, UVC Upto 1600 gal, 13W
SunSun SUN CPF-2500 Grech Pond Bio Pressure Filter, UVC Upto 1600 gal, 13W
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Price$114.89-7% $152.11
List:$163.99
$99.99$89.99-17% $74.70
List:$89.99
$26.99
Delivery
Get it as soon as Wednesday, Apr 3
Get it as soon as Tuesday, Apr 2
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Easy to install
4.5
3.8
4.3
4.3
4.6
4.4
Easy to clean
4.3
4.1
3.8
3.8
4.5
4.3
Value for money
4.1
3.6
3.9
3.9
4.1
4.3
Sold By
CNZ Lighting
Amazon.com
VIVOHOME
VIVOHOME
Amazon.com
CLL Pet Supplies
power source
ac
Corded Electric
Corded Electric
Corded Electric
material
Polypropylene
PP+ Copper
PP+ Copper
Sponge
style
Submersible
Bio Pressure Pond Filter
Submersible
Submersible
Submersible
Submersible
maximum flow rate
26.6 gallons per minute
2500 liters per hour
2000 liters per hour
5 gallons per minute
weight
4.4 kilograms
17.86 pounds
10.36 pounds
10 pounds

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

Feedback

SUN

SUN CPF-2500 Grech Pond Bio Pressure Filter, UVC Upto 1600 gal, 13W


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Product Description

Specifications: Maximum Output: approx 1600 GPH Inlet /Outlet Hose Adapter: 3/4", 1 1/4" Dimensions: Voltage: 110-120v 60Hz Suitable for Ponds with Small Mix of Fish and Koi up to: approx 900 Gal Suitable for Decorative Ponds up to: approx 1600 Gal

Customer reviews

4.3 out of 5 stars
4.3 out of 5
1,223 global ratings

Customers say

Customers like the performance, ease of cleaning, clarity, and filter of the water pump. For example, they mention it works well, it's easy to backwash, and it keeps the water clear. Some appreciate the filter, saying it'll remove debris and toxins from the water. That said, some complain that the instructions aren't clear enough. Overall, customers are happy with their purchase and recommend it to others.

AI-generated from the text of customer reviews

109 customers mention87 positive22 negative

Customers like the performance of the filter. They mention that it works well, does a better job, and has no issues. Some say that the UV light is working with no issues and the cleaning bypass feature is working. Overall, most are satisfied with the performance and functionality of the product.

"...This one worked perfectly out of the box...." Read more

"Cleared water over night and pond was green..excellent product had no issues...." Read more

"...heavily populated koi pond. The filter works well, and the crank cleaner is adequate to get through a summer without having to open the filter for..." Read more

"After 6 months, I have no complaints on how it functions. My only struggle is the install.The housing fittings in and out are METRIC...." Read more

98 customers mention89 positive9 negative

Customers find the cleaning option of the water pump awesome. They say it's easy to backwash and maintain the high water clarity. Customers also appreciate the cleaning bypass feature and the ability to clean the foam filters. Overall, customers are satisfied with the ease of cleaning and recommend it to others.

"...Easy to install and easy to clean. An added bonus is the water that comes out at cleaning makes great plant food...." Read more

"This is the best bio filter I have found to keep my pond water clean and clear. Highly recommend it...." Read more

"...heavily populated koi pond. The filter works well, and the crank cleaner is adequate to get through a summer without having to open the filter for..." Read more

"...Additionally, the filter cleaned the water to a high clarity within 36 hours in ponds with a total estimated water volume of 1200 gallons and..." Read more

77 customers mention72 positive5 negative

Customers are satisfied with the clarity of the water after using the water pump. They mention that it has dramatically changed the clearness of the pond water. Some say that the pump is easy to install and has made their ponds crystal clear.

"Cleared water over night and pond was green..excellent product had no issues...." Read more

"...It has dramatically changed the clearness of the water in my pond and I can tell my fish are happier for it...." Read more

"...As far as when it's new and you set it up, it keeps my pond water so clear it's always getting clamp back on and it has to be on on it won't hold..." Read more

"...In under 2 weeks using this filter, the water was completely clear...." Read more

67 customers mention62 positive5 negative

Customers are satisfied with the filter. They mention that it is the best filter ever, good for general filtering, and the best bio filter they have found to keep their pond water clean. Some say that the instructions could be clearer and specific. Overall, customers are happy with their purchase and recommend it to others.

"This is the best bio filter I have found to keep my pond water clean and clear. Highly recommend it...." Read more

"...The filter is great but the way the UV light sits in the filter is not...." Read more

"This is the best filtration I've ever had. I have an 800 gallon pond that was completely green with algae and sludge...." Read more

"Installed today and it came out nice, we will see how well it cleans...." Read more

66 customers mention61 positive5 negative

Customers find the water pump easy to install, hook up, and service. They say the directions are simple to follow. Customers also mention that backflushing is easy with the flow control knob.

"...This filter does both and at a reasonable price. Easy to install and easy to clean...." Read more

"...The backflushing is very easy; turn the flow control knob to redirect the water inside the filter and turn the crank to agitate the filters inside...." Read more

"...pond clear, but this is a quarter the size of the old one and much easier to service. The ultra violet light is a plus." Read more

"...I purchased this system, easy installation….. AND IN 4 DAYS… I COULD SEE THE COMPLETE BOTTOM OF MY POND !!! :) WOW !!! UNBELIEVABLE!!!!..." Read more

36 customers mention32 positive4 negative

Customers like the value of the water pump. They mention that it's good for the money, saves them money and time, and is a great purchase.

"...This filter does both and at a reasonable price. Easy to install and easy to clean...." Read more

"...bio filter on amazon WITH GREAT reviews and great questions and a reasonable price AND IT WORKS SO WELL!..." Read more

"Best filter for the money, my pond has never been this clear before, only takes 3 days to become crystal clear...." Read more

"...So far this was well worth the investment." Read more

50 customers mention20 positive30 negative

Customers have mixed opinions about the leaking of the water pump. Some mention that it doesn't leak at all, while others say that it leaks from the top and out the sides of the filter. It's difficult to get the hoses to stop leaking, and the filter leaks until you remove the UV light assembly. The top cap leaks slightly, and there is a minor drip on the output.

"Previously ordered a similar filter that leaked from the seal, had to return. This one worked perfectly out of the box...." Read more

"...lucky, but ours went together with very easy hand tightening and no leaks at all...." Read more

"...The tube always fills up with water and burns the light out but also trying to keep water out of the tube is impossible...." Read more

"...with this system, I've had it over 3 weeks now and not a drop of water has leaked...." Read more

44 customers mention18 positive26 negative

Customers are mixed about the quality of the water pump. Some mention it's well made, holds up with no issues, and has mechanical, biological, and UV filtration in one unit for this price. Others say that it'll break easily, is not very heavy duty, and the workmanship is poor.

"...the bottom and when we found out it was already too late and the pond was empty...." Read more

"...using this filter for my koi pond for two years now and it has held up with no issues...." Read more

"...The problem I ran into was when it started popping the GFI circuit that powers the lamp and pumps for the pond...." Read more

"...The pump seems well constructed and I hope it lasts a long time." Read more

UV unit fails after 2 months
3 Stars
UV unit fails after 2 months
I have been using the "SUN CPF-2500 Grech Pond Bio Pressure Filter, UVC Upto 1600 gal, 13W" from January 12th until today (March 17). It was working perfectly until today, when the UV stopped working. I replaced the bulb but it still didn't work. I took the original bulb and placed it into a different UV system I have and it worked perfectly. So did the new bulb, but neither work in the Sun filter unit.Upon testing the UV contacts with a multimeter (and activating the safety switch), my meter shows just over 12V coming through the UV socket, whereas the bulbs specify 120V. It seems something is wrong inside the sealed/glued UV component.I have reached out to the manufacturer (in China) but I don't have high hopes they will provide a replacement UV unit. Unfortunately, there is no option to reach out to the seller.If the seller or manufacturer reach out to me with a remedy, I will raise my review to a full 5-stars, but without the UV working my current rating is 3 stars.
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Top reviews from the United States

Reviewed in the United States on August 2, 2023
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SP
5.0 out of 5 stars A must have!
Reviewed in the United States on August 2, 2023
I have had an ornamental pond for nearly 30-years and I can tell you that the 2 things that are a MUST for a clear, clean pond; a UV light, and good filtration. This filter does both and at a reasonable price. Easy to install and easy to clean. An added bonus is the water that comes out at cleaning makes great plant food. If you don't want a cloudy, green, sludge pit, invest in a pump like this.
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5 people found this helpful
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Reviewed in the United States on February 1, 2024
One person found this helpful
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Reviewed in the United States on July 14, 2021
Reviewed in the United States on September 16, 2023
Reviewed in the United States on November 28, 2023
3 people found this helpful
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Reviewed in the United States on February 20, 2024
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1.0 out of 5 stars Lasted only 6 weeks
Reviewed in the United States on February 20, 2024
The filter did not even last 2 months. It broke from the bottom and when we found out it was already too late and the pond was empty. Luckily we had not put any fish in our pond otherwise they would have all died.
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One person found this helpful
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Reviewed in the United States on May 6, 2019
9 people found this helpful
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Reviewed in the United States on March 23, 2024

Top reviews from other countries

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Den's57
5.0 out of 5 stars Bon produit
Reviewed in France on November 23, 2023
Andreas Fo.
5.0 out of 5 stars Absolut TOP.
Reviewed in Germany on March 21, 2023
One person found this helpful
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Ioana
5.0 out of 5 stars Contenta
Reviewed in Spain on August 1, 2022
3 people found this helpful
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Fabrizio C.
5.0 out of 5 stars Ottimo filtro e comodo per la pulizia dello stesso
Reviewed in Italy on May 9, 2022
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Fabrizio C.
5.0 out of 5 stars Ottimo filtro e comodo per la pulizia dello stesso
Reviewed in Italy on May 9, 2022
Avevo l’acqua completamente torbida per via di alghe e fondo melmoso. A distanza di 15 giorni l’acqua è quasi perfetta . È comodissima la pulizia del filtro , semplicemente girando la manopola su scarico e ogni volta che l’ho pulito , girando la manovella, l’acqua che ne uscirà era completamente scura e melmosa . Per me è utile mettere una regolazione di flusso , in quanto la forza con cui mi rientra l’acqua filtrata nel laghetto è troppo forte . Comunque ottimo acquisto .
Fabrizio
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5 people found this helpful
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Cool White
5.0 out of 5 stars Works great!
Reviewed in Canada on October 15, 2019
One person found this helpful
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