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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.
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.
Step by step guide worked great to get the cold plunge built. It took a bit longer than I had expected but it was well worth the effort to build it yourself!
With 3 cats that love to sharpen their claws on anything with a little bit of give, I couldn't do the standard blow-up cold plunge. The other pre-fab options were too expensive, so I went on a search for DIY. As soon as I saw this thing, I knew it was what I had to build. I do a lot of woodwork, so I could have built this without the plans, but life is busy, and I knew it would save more money in time than the plans cost... and boy, were the plans ever worth it. The plans and videos saved countless hours of trial and error, and at least a few dollars only having to do the build once. It turned out so well that most people can't believe I didn't buy it pre-made. It's so well insulated that my chiller hardly ever runs. Do yourself a favor, though, and have an extra set of the mixing foam ready. One set only filled mine a little over half way. I built a platform with a lot of casters so I can move it around to get to the filter components and keep the whole thing off the ground that can get quite wet sometimes where I have it located. I also enclosed both sides of the mechanical section because I thought having the filter showing looked kind of ugly. Overall, though, fantastic plans that will easily save you more in time and extra parts than they cost.
I Received a $5k bid from a local finish carpenter to build a CP similar to Joe’s. I bought the complete build/plumbing plans and plumbing kit instead. You don’t need to be a professional finish carpenter to build this thing. The step by step plans are very thorough and walk you through the entire process. Joe made himself super available for any questions and could not have been more supportive. End result is a HIGHER quality product than I could have had built for less than half the price. Highly recommend!
I've been thinking about doing this for a while, and finally got the nerve to order the plans and build my own plunge. With some minor adjustments specific to my tank, Joe's plans were on point. During my build a mistakenly broke some parts and could not find exact replacements locally. I reached out to Joe, he was very understanding and helpful in helping me get replacement parts. I truly could not be happier with the result.
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 👍
Thank you DIY Cold Plunge and Sauna. This review is for the sauna build which was very fun to put together with my son. We had our first run tonight and it was HOT. We feel great.
Instructions are easy to follow. Can’t recommend this enough.
Perfect DIY option! The plans and heater kit met all expectations and Joe’s customer service with quick replies completely exceeded all expectations. Greatly appreciate the shopping list and easy to follow instructions. Went with the XL version and love the extra space. Heater kit with wifi outlet works flawlessly reaching the advertised temperatures. On a few occasions (all were minor) the XL plans seemed to be an afterthought to the standard instructions and could have used more details specific to the XL version.
I received a filter and ozone with all the pieces toput it together for my plunge . There were times when i needed to clarify the building process and Joe was very helpful.
These plans were great. Super easy. Put together in a day once I got all the materials.