The hot spring Grandee is a more feature oriented spa, and it has a better filtration system then the Tiger River series. Tiger River is Watkins better line of spas, where is Hot Spring/Caldetra are their "best" lines or if you will "Premium" lines of spas. The Solana Series is their "good" line if you are using a good, better, best philosphy to compare the lines of spas that Watkins offers. You'll be much happier over tyhe long haul with the grandee, it has a better warranty, more features, bettter water management system...........wet test them and go with the one that feels the best for you.
Jason
Store Manager for a D-1 & Caldera Spas Dealer
