1-ZollStopfen

thingiverse

This thing was made with Tinkercad. Edit it online at https://www.tinkercad.com/things/8hDf8PKKIJM. These plugs serve as a helper for an overflow after the principle of communicating tubes. You can use this to connect an aquarium that is on the same level as another one. I used it to connect a filter tank. The problem is when you have a larger water quantity in circulation (through filter pumps, etc.), you need to transport larger water quantities, which requires larger tube diameters. To start this system, the tube must be 100% filled with water. So, I print two of these plugs, close one side with the plug, and hold the tube completely under water. Then, while underwater, press the second plug into it and place the tube. After that, remove the plugs and see if the overflow works. I printed the first plug in ABS with 15% infill. A higher infill rate would be optimal, as otherwise a lot of stability is lost. You can also use any material that does not dissolve in water.