Hello, We are so glad to take the opportunity and are sending you a photograph of our whirlpool X5 Sonic Spa together with SpaBalancer. We have been using the whirlpool for 4 weeks and have used SpaBalancer from the beginning. We didn't want to use chlorine and decided for this option for this reason. We've been very pleased until now. The water is completely clear and clean. We also clean the filter using the cleanser with the same brand. I can...