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Brandy1134
I bought a "Arowana" from an online store to play with, a penny made in China. I tinkered with it for a long time, and here's what I came up with. The metal bolts have been replaced with nylon ones. A carbon rod has been installed. The impeller blades have been cut. The venturi injector has been modified. The drain is adjustable. It is suitable for small volumes up to 100 liters.
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