This topic is about exploring the safety and practicality of showering without a colostomy bag and using saunas or hot tubs while wearing one. The person is concerned about potential harm to the stoma, the adhesion of the appliance, and whether any protective measures are needed when exposed to heat.

Here are some helpful insights and advice:

1. Bag-free showering:
- Many people with ostomies choose to shower without their appliance, often on the day they change it.
- Lukewarm or even very hot water is generally safe for the stoma.
- A handheld showerhead can make cleaning easier.
- It's fine to use soap like Dial antibacterial bar, Cetaphil Gentle Skin Cleanser, unscented Dove, or any non-moisturizing shower gel. Just make sure to rinse the skin around the stoma well to prevent residue that might affect adhesion.
- If there is any output during the shower, simply rinse it away as it poses no medical risk.
- Those with an ileostomy might avoid bag-free showers due to the potential for fast output.

2. Showering with the bag on:
- This is perfectly acceptable. You can pat the pouch dry afterward or use a water-resistant cover to keep it from getting soaked.
- A removable Velcro or waterproof cover can help keep the bag dry.

3. Adhesion and skin care:
- If you're concerned about the seal loosening, consider using flange extenders or barrier rings before using a sauna or hot tub.
- For two-piece systems like Coloplast SenSura Mio, many leave the base plate on for 3–5 days and change the bag daily.
- Adhesive remover spray can help reduce skin trauma when removing the base plate.
- Non-oily baby wipes can be useful for cleaning the plate and skin before applying a new bag.

4. Saunas, steam rooms, hot tubs, and pools:
- Many people report that heat or soaking does not reduce wear time or damage the seal.
- For extra security, consider using an ostomy belt, swim wrap, Velcro waist wrap, or a snug swimsuit.
- As a courtesy, shower with the bag on before entering a shared hot tub, and consider using a short-length pouch for discretion.
- In a sauna, placing a hand towel or small cold pack over the bag can help keep the adhesive cooler.

5. Supplies and where to get them:
- In the USA, distributors like Byram can provide supplies, and Coloplast ships directly as well.
- In the UK, supplies are available for free through NHS prescription.

6. General reminders:
- Change frequency varies; some people change every other day, while others do so weekly. Do what keeps your skin comfortable.
- Allowing the skin a few "naked" minutes after a shower can feel refreshing, but be prepared for possible output.
- Don't let having an ostomy stop you from enjoying activities like hot springs, baths, swimming, or other water activities. Just plan a little and use the accessories that make you feel secure.