I AM BUILDING A CONCRETE POOL AND SPA, I AM A PLUMBING AND ELECTRICAL CONTRACTOR NOT A POOL PLUMBER. WE ARE INSTALLING JETS AT 6 LOCATIONS, BUT CURRENTLY THEY ARE AT THE SAME HEIGHT IN RELATION TO THE SEAT. CAN SOMEONE TELL ME IF I SHOULD VARY THE LOCATIONS TO HIT THE UPPER AND LOWER BACK LOCATION? ALSO WE HAVE INSTALLED THE JET TEES FOR PENTAIR AND I AM DEBATING ON WETHER TO TEAR THEM OUT AND GO TO WATERWAY. ARE THEY THAT MUCH BETTER THEN THE REST. ONCE ITS DONE AM I GOING TO REGRET NOT RELOCATING THE JETS. THANK YOU