Scientific Anglers  |  SKU: SA-129299

Scientific Anglers Sonar Stillwater Seamless Density - Pale Green / Dark Green - Intermediate/Sink 3

Regular price $139.95 CAD
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Ships By Thu, July 9 Free Canada Shipping

Why Shop With Us

✔ Locally owned in Nanaimo, BC
✔ Trusted by boaters and anglers since 1986
✔ Knowledgeable staff with real on-the-water experience
✔ Large in-stock selection of marine & fishing gear

We’re here to help you get the right gear the first time.

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Scientific Anglers Sonar Stillwater Seamless Density is a full sinking fly line designed for stillwater anglers who need a smooth, straight connection to subsurface flies. Built on the popular MPX taper, this Pale Green / Dark Green Intermediate/Sink 3 line helps you fish just under the surface chop with control, turnover, and consistent depth.

Key Features

  • Seamless Density Technology: Smooth transitions between densities help eliminate hinging and improve direct contact with the fly.
  • Stillwater-Focused Taper: Based on Scientific Anglers MPX taper and overweighted by two line weights for multiple flies and long leaders.
  • Textured Hang Markers: 10-foot and 20-foot markers make it easier to track depth and retrieve zones.
  • Welded Loops: Ready for fast leader attachment and easy rigging on the water.

Scientific Anglers designed this line for trout and other freshwater species when fish are feeding below the surface. The Intermediate running line paired with a Sink 3 head offers a versatile profile for lake fishing, chironomid presentations, and streamer work. With a 105-foot total length and 35.5-foot head, it is available in WF-4-S, WF-5-S, and WF-6-S options to match a range of rod weights.

Whether you are fishing calm lakes, drifting long leaders, or targeting fish holding deeper in the water column, Scientific Anglers gives you the sink control and smooth casting performance needed for effective stillwater presentations.