"outside the box" thinkers only please!!!

[Tash and Bex]

I think I will just stick with the calorifier

[rusty69]

4 hours ago, rusty69 said:

I thought hippos preffered mud baths. 

 

[bizzard]

If the calorifier is mounted and kept submerged in the bath then complete water heating would be obtained without the wasted heat radiation thanif it was mounted outside of the bath. ☂️