Hi, I am remodeling my master bath. I want a whirlpool tub with jets that can help specific problem areas such as back and knee. It will need to have a drain in the middle, rather than at either end. I am planning on buying a heater if the tub does not already come with one. Found a design that I love from a brandcalled HYDRO SYSTEMS. The are EXPENSIVE though. Two brands that I am looking at is HYDROSYSTEMS, and AQUATIC. Does anyone know anything about QUALITY and PRICE for either of these brands and how good their jet systems are?