RnR Hot Tubs and Spas is Calgary’s premier in-house water testing laboratory service for hot tubs. Comprehensive diagnostics is one more way RnR strives to be the best hot tub company in Alberta. Water testing ensures optimum performance and health for every hot tub we service. In combination with the industry’s best chemical line, our water quality testing services lets you relax knowing that you are supported by Calgary’s most knowledgeable service provider.