Spawning tube-4 for aquariums

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This spawning tube has been developed for catfish, gobies or dwarf cichlids in the aquarium hobby. This tube is scalable. In its original size, the spawning tube measures approx. 34 mm x 27 mm x 80 mm (WxHxD). If you have printed the spawning tube, you can heat it with a heat gun and flatten the entrance for catfish, for example. However, please be careful not to burn the material or yourself. The printed PLA is deformable under the influence of heat. Two small indentations with a diameter of 12 mm and a depth of 1.2 mm have been made in the underside of the spawning tube. Punched slugs or stainless steel washers can be glued in there with silicone if the spawning tube should not sink in the water. Or you can glue a small slate plate under the spawning tube. At the end of the spawning tube there is a 3 mm hole for ventilation so that no air collects in the spawning tube.