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Discussion Starter #1
I was pondering this concept. Does anyone know of this? I read small article a ways back, it was about building it out of cordwood and then linning the interior. Using a wood burning stove to heat the water. The stove was a special model that had like a radiator set up for the water to heat. The stove also set in the floor and it was sunk into the floor like 2 feet. This one in the article was indoors. I am interested in building one outdoors in the open. Ideas? Suggestions? What could i salvage to use as jets, if at all possible? The jets would just be a bonous.

Jagger
 

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Stableboy III
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I've seen ads for wood burning hot tubs in Mother Earth - special stove that drops over the side into a wooden tub. Run 500-900 dollars just for the stove. You might want to look at snorkel.com for ideas.

Perhaps one made with plywood sides with a pond liner to keep it watertight. I've been kicking that idea around myself. Just not sure about the heating part.
 

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Head Muderator
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Our hot tub is 25 years old and is nothing more than a round 6' stock tank on concrete blocks and an old woodstove beneath it. Works great, heats up in about 1annahalf hours. Gotta drain it after each use, or within a couple days or it gets funky, but with free gravity water, it's not a problem.
 

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Jagger,
We are on the same wavelength. I plan to build one this fall. I found 400 used fire brick for $40. I got Ken Kearn's Masonry Stove book and have read it twice. I will construct a large firebox to save on wood cutting, then I will run the flue horizontal and surround it with copper pipe to capture as much heat in the water as possible. The pipe will connect to a cistern and the hot tub. I expect to be able to heat water, cook, and heat the garage as well. The whole assembly will have a ferrocement shell and be filled with perlite. I am excited and wish I could start this week.
GObug
 

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We discussed this just in the last few months on here. Do a search and you will see a list of pros and cons on one of the threads.
 

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Oh yea, like the one Bugs Bunny used in one of his cartoons.....
 
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