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Thank you for the information. I have another question that maybe you can help me with. I took a test swim in the marquis kona. I actually thought it was pretty strong out of the jetted models I have tried(tidal fit pro-15, cal spa commander). I however forgot to check if the atv can be incrementally dialed up or down. Most of the newer models like the tidal fit have variable speed pumps with an electronic control to dial between 0 and 100. Does the kona have a diverter to do that with?Also just for anybody else that might ever read this thread I can give you some of my experiences so far.Cal Spa CommanderTested an older Commander felt that the current was weaker than the tidal fit Pro EP-15. The newer model has more gpm so it's possible the newer model is better. I felt the current at max was very uneven and tossed the swimmer around a lot.Tidal Fit Pro EP-15Great current but a step below the Marquis Kona. For the price/value its a very good model. It had the best massage seats between the Cal Spa and Marquis. It also had some great features including a combination of physical buttons and touchscreen. With all the more used functions as physical buttons. Also an electronically controlled variable swim current that didn't use diverters.Endless Pool E550Overall the swim was fantastic very smooth and certainly in a different league from all the jetted swims we tried. The massage seats were standing only. The E700 has actual seats but the E550 did not. The massage was ok better than Marquis but awkward since you have to stand.Marquis Kona Had a pretty smooth swim for a jetted model. Very powerful and you felt the current throughout the pool. The massage seats were lacking but they were at different heights to accommodate multiple sizes of people. I like this current 2nd to the Endless Pool at least so far.It's also worth noting that even though I haven't tried these they could possibly be good on paper as well.Hydropool AquaTrainer 17 fXThe gpm for the AquaTrainer is supposed to be 1400 where as the Marquis Kona is only 1000 so it's possible if you are a strong swimmer the Hydropool might be worth trying.The Endless pool for a comparison puts out 5000 gpm in the current, but the pricing is up there so for anyone trying them it might be about the best value for you.