Sci Angler Amplitude Smooth Stillwater Indicator Floating Fly Line
The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and eight times the durability of traditional lines, this will change the way you look at fly line performance.
- Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
- The perfect stillwater indicator line, featuring alternating high viz color bands at the tip, for easy tracking and strike detection
- Overweighted by 1.5 sizes to assist in turning over long leaders with large indicators
- For use in moderate to cold climates
- Braided multifilament core
- SA AMP SMTH STLLWTR WF X F (X = line weight)
| Specification | Detail |
|---|---|
| Line Type | Smooth floating fly line |
| Core Material | Braided multifilament |
| Drag Reduction | Up to five times less drag than traditional lines |
| Durability | Eight times more durable than traditional lines |
| Indicator Compatibility | Designed for stillwater use with high visibility color bands |
| Weight Adjustment | Overweighted by 1.5 sizes |
| Climate Suitability | Moderate to cold climates |
FAQ
What makes the AST Plus additive special?
The AST Plus slickness additive improves shooting performance and enhances line durability, allowing for smoother casting and better resistance to wear.
Is this line suitable for use with large indicators?
Yes, the line is overweighted by 1.5 sizes, which helps in turning over long leaders when using large indicators.
Can this line be used in cold weather conditions?
Yes, it is specifically designed for moderate to cold climates.



Luke Forsyth –
This line performs exceptionally well in stillwater conditions. The high visibility color bands make strikes easy to detect. The drag is noticeably lower, which improves casting accuracy. I’ve used it in cold weather and it holds up well without fraying.
Carolyn Ross –
The smoothness of the line is outstanding. It casts easily and doesn’t tangle. The color bands are very visible, especially in low light. I noticed less line drag compared to my previous model.
Ava Alsop –
Great for stillwater fishing. The indicator tracking is clear and the line feels durable. A bit heavier than expected, but that helps with leader turnover. Slightly more expensive, but worth it for performance.
Jessica Jackson –
I’ve switched from a traditional smooth line to this model and see a clear improvement in casting distance and consistency. The durability is impressive after several weeks of use in cold water.
Amelia Ross –
The high visibility bands are a big help when fishing in murky water. The line feels smooth and doesn’t snag. It’s a solid choice for stillwater anglers who value performance and reliability.