r/coldplunge

Community Overview
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reddit.com/r/coldplunge/
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About r/coldplunge

community for people willing to take the cold plunge to improve their lives and physical and mental well being

The community at a glance

r/coldplunge is a Subreddit for Fitness Enthusiasts and Biohackers with roughly 33K members. It uses a forum format for communication. It is the 7th largest community in the Biohacking topic page.

Roughly 12K members have joined in the past year. Popular discussion topics include Cold Plunge, Chiller, and Struggling. Common discussion themes are Advice Requests and Solution Requests. Product recommendations often mention chiller.

On Reddit
33K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +12K members
Growth: +56.4% / year

Member growth over time

All time (yearly)

  • 2023: 3K members
  • 2024: 8K members
  • 2025: 13K members
  • 2026: 8K members

Past year (monthly)

  • Oct: 889 members
  • Nov: 877 members
  • Dec: 1K members
  • Jan: 1K members
  • Feb: 778 members
  • Mar: 626 members
  • Apr: 806 members
  • May: 620 members
  • Jun: 651 members
  • Jul: 2K members
  • Aug: 1K members
  • Sep: 212 members

Themes

  • Advice Requests
    9 posts in the past month
    1. First time cold plunging this weekend, any advice?
    2. Cold Plunge Purchase Feedback
    3. About to pull the trigger on a chiller and tub bundle, talk me into or out of it
    #1
    Advice Requests
    First time cold plunging this weekend, any advice? · Cold Plunge Purchase Feedback · About to pull the trigger on a chiller and tub bundle, talk me into or out of it
    9
  • Solution Requests
    8 posts in the past month
    1. Biofilm on walls of cold plunge - help needed
    2. Chiller options, I’m clueless!
    3. Looking for the ideal cold plunge for my facility in Canada
    #2
    Solution Requests
    Biofilm on walls of cold plunge - help needed · Chiller options, I’m clueless! · Looking for the ideal cold plunge for my facility in Canada
    8
  • Pain & Anger
    4 posts in the past month
    1. The Plunge tub useless in less than 1.5 years
    2. Polar Monkey Disappointment
    3. The Plunge tub useless in less than 1.5 years
    #3
    Pain & Anger
    The Plunge tub useless in less than 1.5 years · Polar Monkey Disappointment · The Plunge tub useless in less than 1.5 years
    4
  • Ideas
    2 posts in the past month
    1. Is this a dumb idea? A fully managed cold plunge subscription for gyms
    2. Built a cold plunge app around actual benefits instead of just streaks—thoughts?
    #4
    Ideas
    Is this a dumb idea? A fully managed cold plunge subscription for gyms · Built a cold plunge app around actual benefits instead of just streaks—thoughts?
    2

Topics

  • Cold Plunge
    22 posts in the past month
    1. Super Insulated Cold Plunge Update.
    2. DIY Upgrades to the Redwood Outdoors Alaskan cold plunge.
    3. Biofilm on walls of cold plunge - help needed
    #1
    Cold Plunge
    Super Insulated Cold Plunge Update. · DIY Upgrades to the Redwood Outdoors Alaskan cold plunge. · Biofilm on walls of cold plunge - help needed
    22
  • Chiller
    16 posts in the past month
    1. Chiller options, I’m clueless!
    2. Stay Away from Nuvio Chillers
    3. Crazy price tag for chillers.
    #2
    Chiller
    Chiller options, I’m clueless! · Stay Away from Nuvio Chillers · Crazy price tag for chillers.
    16
  • Struggling
    3 posts in the past month
    #3
    Struggling
    3
  • Tub
    3 posts in the past month
    1. Trying to find pump for Titan Triumph tub
    #4
    Tub
    Trying to find pump for Titan Triumph tub
    3
  • Cold Plunging
    3 posts in the past month
    #5
    Cold Plunging
    3

Product recommendations

  • chiller
    3 posts in the past month
    1. Chiller recs for Costco Saluspa?
    2. Recs for IB500 chiller, pump, filter and ozone
    3. Water chillers recs?
    #1
    chiller
    Chiller recs for Costco Saluspa? · Recs for IB500 chiller, pump, filter and ozone · Water chillers recs?
    3
View full analysis on GummySearchSynced 9/3/2026

Frequently asked questions

Who is r/coldplunge for?
Best for Fitness Enthusiasts and Biohackers enthusiasts looking for a Reddit-based community with forum discussion.
Is r/coldplunge free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/coldplunge have?
Roughly 33K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/coldplunge on?
r/coldplunge runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/coldplunge cover?
On the Hive Index, r/coldplunge is organized under Fitness Enthusiasts, Biohackers.
How do I join r/coldplunge?
You can join r/coldplunge by clicking this link, or pressing the "Go to community" button above.
What are the Fitness communities like?
One of the larger topic areas on the site, covering lifting, running, yoga, calisthenics, and pretty much every other form of exercise. Reddit has massive communities for general fitness and specific disciplines, with Discord servers for accountability and program sharing. Good for program recommendations, form checks, and finding training partners.
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Added 5/19/2026

Monthly Stats

4
Views /mo
(-60%)
4
Visitors /mo
(-56%)
0
Referrals /mo

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