mas985, I have taken the inserts out and still they dont give off much pressure. You Mention doing a pressure measurement at the pump return drain plug. How exactly would this be done (I'm a newby) is the plug the one on the front of the basket?You should be getting a little over 12 GPM/jet with the jet fittings removed. Keep in mind that when comparing to the pool returns, there are half as many so they will feel ~2x stronger (for the same total flow rate). If the flow from the open spa jets feels like a trickle, as I mentioned before, there is likely something wrong with the plumbing. Perhaps a clog in the return lines. Have you actually run the spa without the jets installed? This can sometimes clear the lines of debris. Also a pressure measurement at the spa pump return drain plug should tell us if there is an obstruction or not. Can you also post a picture of the equipment pad?
Yes, that is one way to increase the flow per jet. But before doing that, the OP needs to make sure everything is working is it should.
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