This topic is about managing challenges with a colostomy, specifically dealing with watery output, skin irritation, and choosing between one-piece and two-piece ostomy systems. Here are some helpful tips and insights:

1. **Switching Systems**:
- Consider a two-piece system with a rigid wafer that allows for easy cleaning around the stoma while still being comfortable.
- Alternatively, try a one-piece pouch that can be removed and discarded daily, especially before showering.

2. **Convex Systems and Sealing Rings**:
- Use a convex system with a sealing ring, such as the Coloplast Sensura Convex or Sensura Mio Convex soft one-piece, combined with a Brava or Eakin ring. Many users find this setup effective for preventing leaks and achieving a longer wear time.

3. **Two-Piece Alternatives**:
- A Coloplast two-piece system with a hard wafer offers good rigidity for cleaning.
- A Hollister two-piece system with a flexible cloth-back wafer is suitable for uneven or curved abdomens.

4. **Stoma Collar/Washer for Extra Protection**:
- Consider using a Salts Healthcare Dermacol Stoma Collar for added protection. It can be ordered to the exact stoma size and trimmed as needed. Some users have found that pairing it with a Sensura Mio Convex system effectively stops leaks and irritation.

5. **Skin-Prep and Application Routine**:
- Clean the area with adhesive remover wipes or spray, avoiding water to keep the skin dry.
- Apply a skin-barrier film like 3M Cavilon and place the wafer or collar while the barrier is still tacky.
- A small amount of Ilex paste at the inner edge of the collar can help seal and soothe the skin. Barrier wipes or powder can be used on sore areas if needed.

6. **Belt and Support Tips**:
- An ostomy belt attached to the pouch flange can help keep the appliance flat and secure. Experiment with different belt brands and widths if slippage is a problem.

7. **Output-Thickening Strategy**:
- Taking Loperamide (2 capsules, 30 minutes before each meal, three times a day) can help firm up the output and reduce seepage.

8. **Ordering Samples and Trying Products**:
- Reach out to companies like Coloplast, Hollister, and Salts for free samples of pouches, rings, collars, and belts. Many users in both the UK and U.S. have successfully received and tested these samples at home.