To maintain a hot tub’s water quality, you want to use the best water care products like SilkBalance and replace the AG+ Silver Ion cartridge at 4 month intervals. Because we know you’ve got lots of other things to keep track of than when to replace your cartridge and what hot tub chemicals to use, Great Atlantic Hot Tubs, Pools & Saunas is here to help. With our Home Delivery program, Great Atlantic will ship a AG+ Silver Ion Cartridge and a supply of SilkBalance to your doorstep every 4 months (during the first week of the month). And, when you sign up for the AutoShip program, you’ll not only get free shipping (within the Continental U.S.), we’ll save you some money on the price of these products. When you sign up for the program, we will place your credit card number on file and bill the day the products are shipped. To get started, call us: 757-499-0123 or fill out the form below to provide us with your contact information.