Welcome to our forum.
look at my geo spa thread..http://www.wayfair.com/Geo-Spas-6-Person-Square-Plug-and-Play-Spa-With-30-Jets-GE730B-W-CALS1003.html#reviews
another suggestion..made by watkins ( same as hotsprings and free flow)...http://www.costco.com/AquaTerra%e2%84%a2-Spas-Verona--22-jet%2c-6-person-Spa.product.11757578.html