Got the hot tub running again

Loyal readers of Rolfsruds & Friends know that Stan and Kathleen had a problem recently with their spa. Good news. We've patched the leak, without Joe the Plumber's help, and we're back in business. But times are tough. We won't be buying expensive spa chemicals any more. We're lowering the ph with Arm & Hammer baking soda.
And we're considering the new, greener, redneck model, below, to help reduce our dependence on foreign oil.