Surprised no one attempted to make really cheap wavemakers that perform like Vortechs. The cost of the Vortechs are only maybe $10 ( less the tooling of course & R&D, Marketing); can't blame them for going to the high end and making lotsa money..they are also doing it with their Radions in terms of high pricing. They do have the patent to locate the mechanism outside the tank so naturally Jebao makes something like the appearance of a Tunze powerhead with the guts inside the tank.
Anyone still using sea swirls and eductors and such nozzles?
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