New Zealand and Australia Customers Shop here +3 The Saltwater Spa Scriptures PDF Download HTW-SSS $0.00 In stock Quantity: 1 Add to Bag Product Details The Saltwater Spa Scriptures 2016 Edition. Explains the process and how you can easily maintain your hot tub using salt, baking soda & vinegar. INCLUDED WITH SMARTERSPA, CHLORMAKER & REPLACEMENT CELL ORDERS Save this product for later Favorite