Good morning Spa Marvel. It’s been a few months since you’ve had the pleasure of my troubled emails, so I thought it time to burden your inbox again. However, this time it’s great news and sincere thanks I want to inundate you with. Since we last spoke we followed your instructions to the letter. I dare say, it is now early October and my hot-tub is warm but most impressive it is crystal clear just like you guaranteed. After an average use of let’s say 4-5 times per week in the last 3 months, it remains pristine! Thank you again for your patience. Although your product is fantastic as I’ve been singing its praises to others, your service is outstanding and for that I thank you. Now, if only you did kitchen renovations too LOL.