I'm running two vortechs in my 90 gallon sps reef and love them. That is when they are actually running. Lets just say the nylon drive shafts don't get along too well with sugar sand.... I've had to order replacement parts for them several times in the 2 years that I've owned them which is my only complaint I would have.
I just upgraded them to all Gen 2 parts and already I've noticed they run quiter and will hopefully outlast their gen 1 predecessors. The options available for random circulation or wave generation are truly amazing. Now with the gen 2 programming, they have added even more wave modes, as well as a night mode. Plus, they take up relatively very little space in the tank and add no heat. That said, they can be a bit of a PITA to align and need to be cleaned more often than a tunze in order to run hassle free.
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Do or do not....there is no try.
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