How about Germany's Hans Hill DUOFR filter water purifier? Advertising stickers, there is no advertising effect sent here!
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Koi into the cylinder, how to select the filter correctly? Depending on the location of the filter on the aquarium, the filtering function and the object,The filters commonly used in koi breeding include bottom filters, upper filters, external CHIANG KAI-SHEK filters, built-in filters, and mixed filters,The filter materials are filter cotton, activated carbon, biochemical ball, ceramic ring, resin, sand and gravel.Depending on the location of the filter on the aquarium, the filtering function and the object,1.The filter plate of the bottom filter in the aquarium is set at the bottom of the aquarium,There are holes in the air pipe on the board,Plug in plastic pipe.Sand is laid on the filter board.Plastic pipe connection inflatable pump,When inflated,Drive the water through the sand,On the one hand,On the one hand, the effect of filtering is achieved.The other is to set the filter bed outside the aquarium.Deliver the water to the filter with a pump or gas pump,Filter back to the family box.The disadvan
