Scientific Anglers Magnitude Grand Slam Full Float Fly Line – Smooth
Magnitude lines are ushering in a new era in saltwater fly line technology, headaches with clear lines are a thing of the past. Our new family is loaded with revolutionary new technologies making it the most durable and slickest clear floating fly line on the market. Period.
DuraCoat leverages an advanced dual-polymer design to optimize line stiffness, abrasion resistance, and slickness. The core is enveloped by a supple material, promoting minimal memory and strong adhesion, while the outer layer boasts a robust composition that significantly enhances slickness and abrasion resistance.
Enhanced with EST+ slickness additive for unmatched durability, smoother shooting, and eco-friendly performance.
Using naturally buoyant polymers, we’ve created the next generation of clear floating fly line designed for superior performance in saltwater environments.
| Feature | Detail |
|---|---|
| Line Type | Full Float |
| Material | Dual-Polymer with DuraCoat |
| Slickness Additive | EST+ |
| Float Type | Clear Floating |
| Application | Saline and Freshwater Saltwater Fishing |
FAQ
What makes the Magnitude Grand Slam line more durable than other fly lines?
The DuraCoat dual-polymer design provides enhanced abrasion resistance and durability through a robust outer layer and a supple core that maintains strength and flexibility under stress.
Is the line suitable for both saltwater and freshwater use?
Yes, the line is designed for use in saline and freshwater saltwater environments due to its naturally buoyant polymers and resistance to environmental degradation.
Does the line require special maintenance or storage?
Please contact customer service


Joseph Black –
The line performs exceptionally well in saltwater conditions. It stays smooth and doesn’t tangle easily. The float is consistent and the casting feels responsive. No issues with abrasion after several uses.
Amanda Metcalfe –
I’ve tried multiple fly lines, but this one stands out for its slickness and durability. It casts cleanly and holds its shape even in windy conditions. Great for long-distance fishing.
Lily Newman –
Solid performance overall. The line feels smooth and doesn’t snag on rocks. A bit more expensive than others, but the quality justifies the price for serious saltwater anglers.
Lisa Langdon –
Excellent for both beginners and experienced anglers. The DuraCoat technology makes it resistant to wear and keeps the line running smoothly even after repeated use.