This topic is about dealing with excessive leakage from an ostomy barrier, especially when the output is very watery. The person experiencing this issue is looking for reasons why this might be happening and practical tips to help manage the problem. Here are some helpful suggestions:

1. Try using a convex wafer instead of a flat one. Convex wafers can be more effective in preventing leaks, especially for those with larger abdomens or stomas that are recessed.

2. Make sure the skin around the stoma is completely clean, dry, and shaved if necessary before applying the wafer. Any moisture left on the skin can cause the wafer to not stick properly.

3. Consider not using a skin-barrier film unless the skin is already irritated. Some people find that the film can irritate the skin and reduce how well the wafer sticks, particularly if the film isn't completely dry.

4. Ensure the wafer is dry and warmed up, perhaps by holding it under your arm, before applying it. Warmth can help it stick better.

5. After putting on the wafer, press gently and steadily with warm hands or a soft cushion for about 5 minutes to help secure the seal.

6. When changing the wafer, try doing it while lying flat to minimize output during the change. You can place an absorbent item, like a tampon, over the stoma to catch any flow while you prepare the skin.

7. Use stoma powder only on irritated skin. Dust off any excess powder and make sure the area is completely dry before sealing.

8. Add some mechanical support:
- Wear an ostomy belt to keep the appliance snug against your body.
- Use flange extenders to increase the adhesive area and catch any leaks at the edges. If you feel itching, it might be a sign of a leak under the edge.
- Support the weight of the pouch with a tubular wrap or elastic briefs to prevent it from pulling on the skin.