Scientific Anglers Magnitude Smooth Grand Slam 10' Clear Float Tip

Description

The SA Magnitude Grand Slam 10’ Clear Float Tip shares the same taper, grain weights, head length, and core design as the standard Grand Slam — the same short 40-foot head, ¾ overweight for quick rod loading, and purpose-built construction for bonefish, permit, and tarpon on the same line. The difference is the final 10 feet.

Previous generations of clear fly lines solved one problem (fish not seeing the line) while creating another (lines that cracked, coiled, and died after a season). SA’s Magnitude series addresses this with DuraCoat — a dual-polymer outer coating that optimizes stiffness, abrasion resistance, and slickness in the clear section — and EST+, an eco-friendly slickness additive built into the coating rather than applied as a surface treatment. The 10-foot clear tip is built from naturally buoyant fluoropolymers, so it floats consistently without dressing. The colored head starts at the 10-foot mark, giving the angler a clear visual reference for head position without exposing opaque line near the fly.

Available in both Smooth and Textured running line versions. The Smooth version uses standard DuraCoat on the running line. The Textured version adds SA’s Shooting Texture — a micro-textured surface designed to reduce guide friction and extend shooting distance. Both versions share identical head construction and clear tip specifications. 6–12 wt, 100-foot total length, welded loops front and rear.

Features

•    10’ Clear Float Tip — Built from naturally buoyant fluoropolymers; floats without dressing; nearly invisible to fish at the fly-end of the line. Starts 10 feet back from the leader junction, keeping the colored head visible to the angler for cast timing.
•    DuraCoat Dual-Polymer Coating — Two-material outer coating optimized for stiffness, abrasion resistance, and slickness in a single layer. Specifically engineered to address the cracking and durability issues of previous-generation clear floating lines.
•    EST+ Slickness Additive — Eco-friendly slickness additive integrated into the DuraCoat layer for improved shooting performance without requiring regular re-application.
•    Short 40’ Head, ¾ Overweight — Same taper and grain weights as the standard Amplitude Smooth Grand Slam. Loads fast-action rods quickly at close range with minimal false casting. Use the line weight matching your rod’s marked weight.
•    Available in Smooth & Textured Running Line — Smooth: standard DuraCoat on the running line. Textured: SA’s Shooting Texture running line for reduced guide friction and extended shooting distance.
•    Naturally Buoyant Polymers — The clear tip floats without maintenance or dressing, solving the sinking problem that affected previous-generation clear tips.
•    Supple Low-Memory Core — Dual-layer core construction (supple inner layer for adhesion and memory reduction; hard outer layer for abrasion resistance and slickness) minimizes coiling in tropical conditions.
•    Tropi-Core Formulation — Maintains stiffness and performance in tropical heat. Not suitable for cold water use.
•    Available 6–12 wt — Full range from light bonefish through trophy tarpon.
•    100% Made in USA.

Rod Pairing

Size Guide

FAQ

What are the parts of a fly line and what does each section do?
A weight-forward fly line has five sections, each with a specific role:  Running Line: The thin, level back section that shoots through guides on the forward cast. Lower diameter means less friction and more distance.  Rear Taper: The transition from running line to belly. Determines how smoothly energy transfers from running line into the head.  Belly: The thickest, heaviest section — the primary weight carrier. The Magnitude Grand Slam’s 40-foot head (belly + front taper + tip) is shorter than most general-purpose weight-forward lines for quicker loading at close range.  Front Taper: The transition from belly to tip. The Grand Slam’s short front taper drives energy aggressively into the fly — suited for heavy, air-resistant patterns in wind.  Tip (Clear Float Tip): On this version, the final 10 feet is a clear floating section built from naturally buoyant polymers. This is the section the fish sees closest to the fly. The clear tip reduces visible contrast between the line and the water surface, providing a stealthier approach.

How does the 10' clear float tip differ from a standard colored tip?
On a standard Grand Slam, the entire line — including the tip section near the fly — is a visible Horizon/Sand/Yellow tri-color construction. A fish approaching the fly from below or the side will see the opaque line tip at some point during the presentation. On the 10’ Clear Float Tip version, the final 10 feet of the line is made from a naturally buoyant clear fluoropolymer that is nearly invisible to fish in the water column. The colored head ends 10 feet before the leader junction, replacing that visible tip section with clear material the fish is much less likely to detect.

What are the upsides of the 10' clear float tip?
The primary advantage is reduced visibility to fish at the fly end of the line. On ultra-clear, shallow flats where fish have time to inspect the full presentation, the transition from colored line to leader is one of the most visible elements of the entire rig. Replacing 10 feet of opaque line with clear material removes that visibility. A secondary benefit is that the clear tip allows slightly shorter leaders, since the 10 feet of clear line does some of the work of keeping visible line away from the fly. Some anglers find this helpful for turnover accuracy with very long leaders. A third benefit specific to this version vs. fully clear lines: you can still track the head/tip boundary through the colored section, which tells you where to shoot on the forward cast.

What are the downsides of the 10' clear float tip?
A few real trade-offs. First, clear floating tips are more difficult to see on the water than colored lines, which can make tracking the fly’s position and detecting subtle takes harder, particularly in flat light or on moving water. Second, naturally buoyant fluoropolymers are more prone to cracking and degradation than standard line coatings — the DuraCoat and EST+ technologies in the Magnitude are specifically designed to address this, but clear tips still typically have shorter usable lives than standard coated sections. Third, if the clear tip develops memory or coiling from storage or heat, it is harder to stretch out than a standard running line material. Fourth, the clear tip cannot be dressed with line dressing the way a standard line can — apply dressing only to the colored head and running line sections.

What is the difference between the Smooth and Textured versions?
The Smooth and Textured versions share the same taper, grain weights, head length, core technology, and 10’ clear float tip construction. The difference is entirely in the running line coating:  Smooth (Magnitude Smooth Grand Slam Clear Tip): Standard smooth coating on the running line, consistent with the Amplitude Smooth. Smooth lines produce slightly less friction noise through guides and have a cleaner feel in the hand during shooting. Some anglers find smooth running lines easier to manage in windy conditions where surface grip matters.  Textured (Magnitude Textured Grand Slam Clear Tip): The running line features SA’s Shooting Texture — a micro-textured surface designed to reduce contact area between the line and guide surfaces, which SA claims increases shooting distance. The texture also helps the line clear guides more cleanly in conditions where surface tension or spray might cause a smooth line to drag. Some anglers prefer the tactile feedback of a textured running line for detecting the head-to-running-line boundary by feel rather than sight.  In practice, the performance difference between smooth and textured in identical fishing conditions is modest. The decision often comes down to personal preference for how the running line feels in the hand during the retrieve.

What does ¾ line-weight heavy mean, and which weight should I buy?
The Magnitude Grand Slam Clear Tip is manufactured to weigh ¾ of a line size heavier than its labeled weight — a WF-8-F carries approximately the grain weight of an 8¾-weight. This helps fast-action saltwater rods load at the short casting distances typical of flats fishing. Buy the line weight that matches your rod’s marked weight; the overweight is already built in. Do not step down a size thinking it will be ‘equivalent.’

How do I care for this line, particularly the clear tip section?
Rinse the entire line with fresh water after every saltwater session. For the clear tip section specifically: avoid applying line dressing, which can cloud or damage the clear material. Do not leave the line on a hot surface in direct sun for extended periods; clear fluoropolymers are more heat-sensitive than standard coatings. If the clear tip develops coiling or memory after storage, stretch it gently by hand before fishing rather than using heat. Store the line loosely on the reel rather than tightly wound. Inspect the clear tip periodically for cracks or surface clouding, which indicate degradation.

What are the downsides of the Magnitude Grand Slam Clear Float Tip?
Several honest trade-offs. The clear tip’s reduced visibility to fish comes at the cost of reduced visibility to the angler — detecting subtle takes in low light or on the surface is harder with a clear tip than with a fully colored line. DuraCoat’s dual-polymer design improves on previous clear tip durability, but clear floating tips remain more prone to cracking and wear than fully colored lines and should be inspected regularly. The Magnitude series replaces the Amplitude’s AST Plus with DuraCoat and EST+, which some anglers have noted requires a brief break-in period before optimal shooting performance is reached. The Textured version’s running line texture, while beneficial for shooting distance, can cause slightly more noise and vibration through some rod guides than a smooth running line.