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Flexible PVC Spa Hose is the best hose to use for a DIY Cold Plunge. Don't make the mistake of using cheap vinyl tubing that require numerous hard-to-find barbed fittings for each connection. This spa hose allows for maximum customization and flexibility in your cold plunge.
It bonds directly to PVC fittings using PVC Primer & Cement and can also be used with our Venturi Injector.
This flexible PVC has been used and tested in all my DIY Cold Plunge builds and makes life so much easier when connecting all of your components. Less potential for leaks + maximum flexibility = a BIG win for any DIY project.
This PVC Spa Hose is suitable for use with spas, hot tubs, and whirlpools. This hose is flexible and made for use with PVC schedule 40 fittings.
Product Specifications:
Multiple Lengths Available:
Great quality spa hose. Significantly better quality than what I’ve seen on Amazon. Flexible but still very strong and bonds to PVC fittings as expected.
This flexible hose is the jam. I first went into my DIY Cold Plunge adventure with some knowledge from Joe's videos. HOWEVER, I should have paid more attention and followed more of his advice. I redid my plumbing setup with this flexible hose and it made it so much more efficient and clean looking! I also used the Venturi injector he sells (as opposed to the cheap amazon find). It's a proper setup now. If you're on the fence between rigid PVC (or PEX in my case.....) or this flexible spa hose. Get this and follow his instructions to avoid upsets and headaches!
Good quality, fair pricing, and fast shipping. What more can you ask for?
Never used pvc fittings and pipe before. Diyplunge helped me out big time!
Excellent product and very fast shipping. Great communication all the way!
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 👍
This was a very well thought out plan. You can tell he took a lot of time with the measurements and everything. Everything was pretty much perfect. Even the heater was a really nice design. I recommend putting metal mesh on the bottom of the cage in the front of the cage, just in case the glass does shatter any glass particles may not fly at you or fall onto your feet other than that everything was literally amazing
Great ozone generator. Easy setup and works perfectly with a venturi. I struggled with keeping my plunge sanitized for months and this fixed all of that immediately. Highly recommended.
Awesome product! Straightforward plans, easy to follow, no BS. Will update when I actually build it.
I purchased the sauna plan after building a cold plunge last year. Both plans are very detailed, easy to follow, and include videos. So now I have both a sauna and a plunge for less than what others are selling one for. I have a great shop, but even without one this build can be easily
done with rudimentary tools and woodworking skills. The build is complete, waiting on the preorder heaters to ship.
I’m a hobbyist woodworker. Overall, I’m very happy with this build! I think it’s my most complex woodworking project to date. The materials list was great, the diagrams were clear, and the videos very helpful. Joe was quickly responsive when I emailed him with questions. I had a good time making this, and I’m impressed with the end-product. I’m proud that I built this, and I’m so excited for daily sauna sessions!
A couple things I would do different if I made this again: I would not use dimensional 2x4 and 2x6 fir lumber as it was thicker than the other framing wood that I bought, or I would plane it down to be the same thickness as the other wood. This caused my framing to bulge wherever it was used, and I didn’t realize it would be an issue until it was too late. This made fitting the siding to each panel difficult, and I wound up with some gaps and overhangs in some areas. I installed some trim to go along each edge to hide the imperfections at the seams. The jet black Varithane stain that Joe used wasn’t taking to my siding, so I had to buy black exterior paint instead.
Finding some of the materials was also a little difficult. Nobody had 5/4” cedar planks, and I drove all over to find decent 1x6 clear cedar, and it was pretty expensive at a specialty wood store. Finding the R15 value Rockwool at my Home Depot was pure luck… they don’t carry that anymore, but someone had recently returned one package, and there it was waiting for me.
I don’t think the materials list calls out a 1 ½” hole saw, so I had to go out and buy that right before I needed it. Not everyone has a nail gun, but luckily my friend let me borrow his.
My receipts came out to $1826.86, which is 50% more than the ~ $1200 stated, but I noticed items like the bulbs, cedar TNG, backrest, grommet cover, sauna oil, paint, and some misc supplies and tools were left out of his calculation. Plus things cost more in California. This still costs 1/3 of similar-style commercial infrared saunas. I would definitely recommend this project for someone who is good with tools and building stuff.
My friends are all asking me about my new sauna! It’s attention-getting for sure.