Adding a pump to your pond opens up a whole world of possibilities. All other models have two outlets with the ability to adjust the water flow between the two. They can also run two outlets at once, though this will reduce the maximum flow rate for both.
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JEBO UV 36W Sterilizer Lamp Light Ultraviolet Filter Clarifier Water Cleaner For Coral Koi Fish Pond Aquarium UV Lamp
Aliexpress UK
It’ll agitate (in a good way!). Are you feeling more eco-balanced already?. Strainer filter – less prone to blockage and easier to clean than conventional foam filters. Includes fountain set with 4 options.
eBay
Fish Pond Water Treatment Machinery Micro Drum Filter Koi Pond Biological Filtration System Microfiltration Machine for Pond
Aliexpress UK
Designed for ponds between 625 and 2500 litres, this compact unit features an integrated 8-watt UV lamp housed in a durable, quartzless “frostproof” chamber. Bermuda Bio-UVC 2500 Pond Filter – Compact Filtration with UV.
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Mini Aquarium Sponge Filter Fish Tank Shrimp Pond Air Pump Biochemical Sponge Filter Aquarium Filtration Filter BioSponge Filter
Aliexpress UK
With a maximum flow rate of 700 litres per hour, it is ideal for running fountains or creating gentle water circulation. Includes fountain set with four spray options. Maximum flow rate: 700 litres per hour (154 GPH).
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New Small Aquarium Filter Fish Tank Shrimp Pond Air Pump Biochemical Sponge Filter Bio Sponge Filter Aquarium Filtration Filter
Aliexpress UK
FISH MATE GBIO 5000 LITRES GRAVITY FILTER. e.g. For a 5000 litre (1000 gallon) pond, you will require a flow of around 2500 l/h (500 gph). Max pond size: 2500ltrs (no fish) / 1250ltrs (with fish, no koi).
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Aquarium Filter Sponge Pad,Filter Media Foam Sponges,Filter Accessories for Fish Tank and Ponds Cut-to-Size Foam for Pet Filters
Aliexpress UK
Fish Mate Compatible Filter Foams. High Quality Filter Foams. Foams to fit Fish Mate Filters. Compatible with most Fish Mate Filters. Key Features. Simple to fit. 30000 GUV and older 20000 GUV (239/237/350).
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Mini Aquarium Sponge Filter Fish Tank Shrimp Pond Air Pump Biochemical Sponge Filter Aquarium Filtration Filter BioSponge Filter
Aliexpress UK
Supplied as a set of 5 foams as pictured.
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Aquarium Filter Fish Tank Shrimp Pond Air Pump Biochemical Sponge Filter Bio Sponge Filter Aquarium Filtration Filter
Aliexpress UK
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Water Pump Filter Bag Pond Pump Net Bag Tear Resistant Aquarium Filter Bag Pond Tear Resistant Outdoor Garden Supplies
Aliexpress UK