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Suitable for: Gravity Pond Filters are best for ponds which contain Koi and Turtles. They are also best for large ponds.
What we liked: We have several different brands to choose from, remember you get what you pay for, Cheaper at the top, quality at the bottom.
What comes as standard on every filter: They all have different features, the better quality have foams and features.
Less than ideal: They are not suitable for water features, unless they are mounted at the top.
Manufacturers & Model |
Pond max volume No fish, Litres |
Pond max volume Lots of fish, Litres |
Maximum flow Litres per hour thru filter | UV Clarifier included as standard | Suitable pump flow |
Ubbink Filtrapure Bio filter 2000 | 2,000 | 750 | 1,000 | No, we recommend the Blagdon 9 watt | 1,500 to 2,500 L/H |
Ubbink Filtrapure Bio filter 4000 | 4,000 | 1,200 | 1,600 | No, we recommend the Blagdon 9 watt | 1,500 to 2,500 L/H |
Ubbink Filtrapure Bio filter 7000 | 7,000 | 2,000 | 2,500 | No, we recommend the Blagdon 18 watt | 2,200 to 4,000 L/H |
Blagdon Minipond 4500 uvc | 4,500 | 1,265 | 2,250 | Yes | 1,500 to 3,000 L/H |
Blagdon Minipond 6000 uvc | 6,000 | 1,687 | 3,000 | Yes | 1,800 to 3,000 L/H |
Blagdon Midipond 10000 uvc | 10,000 | 2,812 | 5,000 | Yes | 2,500 to 5,000 L/H |
Blagdon Midipond 14000 uvc | 14,000 | 3,937 | 8,000 | Yes | 3,500 to 8,000 L/H |
Oase Biosmart 16000 UVC | 16,000 | 4,000 | 5,500 | No, we recommend the 24c - 36c | 5,000 to 9,000 L/H |
Oase Biosmart 36,000 | 35,000 | 8,000 | 8,000 | No, we recommend the 24c - 36c | 6,000 to 15,000 L/H |
Oase Biotec 12 Screenmatic | 40,000 | 20,000 | 12,000 | No, we recommend the 24c - 55c | 5,500 to 20,000 L/H |
Oase Biotec 18 Screenmatic | 50,000 | 25,000 | 12,000 | No, we recommend the 24c - 55c | 10,000 to 25,000 L/H |
Oase Biotec 30 Screenmatic* | 98,000 | 24,000 | 23,000 | No, we recommend the 36c - 72c | 15,000 to 30,000 L/H |
Oase Biotec 36 Screenmatic* | 140,000 | 35,000 | 23,000 | No, we recommend the 55c - 110c | 15,000 to 30,000 L/H |
*These prices are plus freight. We have great deals for freight, just call us.
**This pump has a little too much flow, intalling a water release kit will help reduce some of this flow.