Our Truma will be due for decalcification soon, and since we didn't get a chance to go south the last two winters, I went to a local RV dealer to see if they had the tablets. I found some, $60 CDN, OUCH! I paid $20 USD last time in Quartzite. I checked on Amazon.ca and it was nearly as bad, plus shipping.<br/><br/>So I went to the Truma website and sure enough $19.95 USD. So I...