Customize your Kuuma BluFlame

On your new Kuuma BluFlame, you can choose a 6″ or 9″ rock surround with a Filigree or Diamond pattern.

The 6″ on the Small BF holds (100-150lbs), and the medium holds (150-200lbs)
The 9″ on the Small BF holds (100-250lbs), and the medium holds (150-300lbs)

The choice is yours.  You can have 100lbs – 250lbs on the small and 100lbs – 300lbs on the medium.  More rock can lead to longer heat-up times and can also be a heat sink.  I’ve found rock recovery to be the most critical factor for my personal sauna style most of the time.  My sweet spot is 125-175lbs (small) and 150-200 (medium), which typically takes 60-90 minutes of heat time.  If you go with 200lbs +, expect 2 hours minimum heat time since it’s 650lbs+ of lämpömassa.