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Amazon.com : Northern Lights Group Wood Fired Hot Tub Heater - Wood Fired Pool Heater - Large 100,000 BTU : Patio, Lawn & Garden
![Papa's latest invention. Using an old car radiator above the fire pit and diverting the pool water through it to make it hot. Saves a lot of money! : r/interestingasfuck Papa's latest invention. Using an old car radiator above the fire pit and diverting the pool water through it to make it hot. Saves a lot of money! : r/interestingasfuck](https://external-preview.redd.it/nB-UPABfkdh0BMOa0kN5AFANd46Txyen6J6A-0M1hIw.png?format=pjpg&auto=webp&s=8611758fb5904341659fcd0f5193f9a19c6b0638)
Papa's latest invention. Using an old car radiator above the fire pit and diverting the pool water through it to make it hot. Saves a lot of money! : r/interestingasfuck
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