Fulling Mill BWO Split Wing Dun

The Blue Winged Olive is a very important hatch for the fly fisher from early summer right through...

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Product Information

Full details

This guide is for fly fishers looking to effectively imitate the Blue Winged Olive (BWO) hatch. The Fulling Mill BWO Split Wing Dun is a barbless fly designed to fool even the most cautious fish. However, success depends on understanding the BWO hatch and presenting the fly correctly.

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BrandFulling Mill

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FAQs

What is a BWO hatch?

A BWO hatch is the emergence of Blue Winged Olive mayflies, a significant food source for trout.

What size tippet should I use?

Use a tippet size that is appropriate for the water clarity and the size of fish you are targeting. 5X or 6X tippet is often suitable.

How do I ensure a drag-free drift?

Mend your line to eliminate drag and allow the fly to float naturally with the current.

How should I store the fly?

Store the fly in a fly box to protect it from damage and keep it organized.

How often should I replace the fly?

Replace the fly if the hook is damaged or if the wings become too worn or waterlogged.

Can this fly be used in all water types?

While effective, this fly is best used in streams and rivers where the BWO hatch is present and trout are feeding on the surface.

What knot should I use to tie the fly to the tippet?

Use a reliable knot such as the improved clinch knot or the Palomar knot.

Troubleshooting

Fish are ignoring the fly.

Check the fly size. Match it to the insects on the water. Check your presentation for drag.

Fly is not floating correctly.

Dry the fly with an absorbent material or fly-drying agent.

Hook is not setting.

Ensure the hook point is sharp and the knot is tied correctly.

Pros and Cons

Pros

  • Barbless hook design minimizes harm to fish.
  • Realistic split-wing design increases the likelihood of a strike.
  • Effective during the BWO hatch from early summer to the end of the season.
  • Versatile and can be used in different water conditions.
  • Designed to fool even the most wary fish

Cons

  • Requires proper presentation to be effective.
  • May require more frequent replacement due to barbless hook.
  • Performance is dependent on matching the hatch conditions.
  • Not suitable for all fishing situations or insect hatches.

Setup, Compatibility & Care

  1. Attach to Tippet: Tie the fly to your tippet using a reliable knot (e.g., improved clinch knot).
  2. Leader Selection: Use a leader and tippet appropriate for the water clarity and expected fish size.
  3. Presentation: Aim for a drag-free drift to mimic the natural insect.
  4. Care: Rinse the fly with fresh water after each use. Store it in a fly box to protect the delicate wings. Check the hook point for sharpness regularly and replace the fly if it becomes damaged.

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