I have a fish pond with a small waterfall. The water tank has a filter connected to a pump, from which water flows onto the rocks. There is a filter medium, but larger. If I don't add a layer of this stuff my pond will get dirty. This material catches dirt and debris and keeps my pond crystal clear!
Sink filter Prio New Water Start Osmos OU380 white
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Aquael Fan Filter Mikro Plus
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KEDSUM Battery Aquarium Air Pump: Ultra-Quiet Rechargeable Fish Aerator with Dual Outlets - Ideal for Fish Tanks, Outdoor Fishing, Fish Transportation, and Power Outages
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KEDSUM 330GPH Ultra Quiet Submersible Pump With High Lift And Grounded Power Cord - Ideal For Fish Tanks, Ponds, Aquariums, Statuary, Hydroponics - Includes 3 Nozzles And 1500L/H Water Flow
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