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Transform a stock tank into the ultimate DIY cold plunge - for less than $2,500 all-in.
This plan has absolutely everything you need to build a cold plunge from a Rubbermaid 100 or 150 gallon stock tank from start to finish. I've taken out all of the guesswork for you, simply follow along with each step to build the cold plunge you see pictured here - there are diagrams, videos and images for each phase of the project.
Both plans include a plumbing assembly to bypass a chiller if you 1) aren't ready to purchase one just yet or 2) need to pull your chiller in the colder months.
Plumbing Only Plan:
Full Start-to-Finish Plan:
Rough Footprint (Full Build):
All digital download orders are final and non-refundable.
Awesome product! Straightforward plans, easy to follow, no BS. Will update when I actually build it.
This plan will save you a lot of stress. Simple, well explained cuts and instructionsto get you throughthe whole build.I'mso stoked to finish up myprojectand soak right away. Joe is amazing! Personalizing my order and even responding to silly questions I had among my way.
I got the stock tank plans as well as the plumbing plans . So helpful It took all the guesswork out of building my first cold plunge. I did modify the plans to fit the stock tank I had available. It turned out great. I also bought the plumbing parts package it was well worth it. It has all the hard to find pieces.
Joe is super responsive to emails and provided support throughout the building process. The accompanying videos make this doable for almost anyone. I had fun, sharpened my practically non-existent skills, and ended up with a nice plunge.
The short version:
Hi! I'm Joe, and I've helped thousands of people save thousands of dollars by building DIY Cold Plunges and Saunas.
I've got proven, beginner friendly plans and products to bring home BIG health benefits.
Questions? Don't hesitate to reach out 👍
Thanks Joe for this DIY project. Learned a lot and enjoyed building this project that saved me $4K. Enjoying my new sauna every night!
Bought the construction plans and all materials needed. The plans were very well done, and easy to follow. I still need to finish painting the outside, and add some final touches.I also added a window to the design for my wife to not feel so claustrophobic. We have been using it since New Year’s. This is a great little sauna box and inspired me to create more of a traditional one on my deck in the future. If you’re a handy person, this is very easy and can be done in a couple of days. I would recommend this for sure.
I tried buying one of those $100 steam tents off Amazon to scratch my “sauna itch” but it just didn’t do the trick. I had already built a cold plunge from some of Joe’s earlier videos so I thought I’d give the sauna a try. The plans and videos were such a huge help that almost nothing went wrong during my build. I even had a few questions about some minor things and Joe always got back to me. This was a fun project but I’m glad that it’s done and my wife and I can enjoy the fruits of my labor!
This plan and system was very helpful and easy to build. Everything is detailed out with videos and guidance. I greatly appreciated the links to all the materials it made the process super easy. Only issue was the cost was a bit higher than I expected pricing on parts could be updated but overall a great product and good result.
Thanks so much, Erik — awesome build! Just curious, was there a specific part that ended up costing more than expected? Material prices can vary a bit by region, and the XL build does come in a touch higher than the standard. Appreciate the feedback!
This was an amazing internet find. I’ve wanted to build a sauna for a long time. Knowing we didn’t have the room in our home for a full size standing sauna. I decided this was perfect, and I knew that if I took my time with the diy sauna kit I could make it look like a piece of furniture in our home. Thanks for the inspiration and of course the easy to follow instructions. It turned out amazing. With the diy heater kit, our sauna has seen 225+. If you have the tools this is the kit! Thanks again, this was a great project