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![]() ![]() Often this just means you can grab a tube, and then grab the next size up. This means get something with an OD that equals another tube's ID. They are also very clear, so you can watch the bubbles.The tools used.Drill and Drill bits (dulled edges for drilling acrylic).Heat gun (you could use anything that will heat acrylic up enough to make a soft place). materials:Acrylic tubing in sizes that slip over each other. These certainly can produce a perfect venturi, but most folks don't have those machines laying around.The purpose of this thread is to show how you can make nearly ideal venturis in any size or pressure ratio and flow requirement from just a few basic hand tools. ![]() Reservoir tanks and cloners can improve from the use of a good venturi.It's sometimes thought that to get the ideal shapes of a venturi, one would need to use a lathe, or a CNC mill. Bubble size would also be much smaller of course from being chopped up by a mesh or needle wheel as well.The Super VenturiVenturis are essential to the function of some important pieces of hydroponic equipment. ![]()
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