Scientific Anglers Amplitude Textured Infinity Salt
The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude series will shoot farther and last longer than any other line on the market. It’s slickness down to a science.
Amplitude Textured Infinity Salt is technical, versatile, accurate and simply the most advanced saltwater line available. Featuring the revolutionary AST Plus slickness additive for superior shooting ability and increased durability, the Infinity Salt will handle the most rigorous of conditions year after year.
Infinity Salt is a half-line weight heavy to turn over any fly on even the windiest of days. The extended head length makes it more accurate than short shooting heads, so you can land your fly to spooky fish in the most efficient manner.
| Specification | Value |
|---|---|
| Line Type | Textured Saltwater Line |
| Weight | Half-Line Weight |
| Head Length | Extended |
| Key Feature | AST PLUS Slickness Additive |
| Performance | Superior shooting ability, increased durability |
FAQ
What makes the AST PLUS slickness additive different from other additives?
The AST PLUS additive is specifically engineered to improve shooting distance and durability under harsh saltwater conditions, providing consistent performance over time.
Is the Infinity Salt suitable for windy conditions?
Yes, its half-line weight and extended head length allow for better fly turnover and accuracy even in windy conditions.
Can this line be used for both casting and retrieving?
Please contact customer service


Brian Sanderson –
This line performs exceptionally well in strong winds. The extended head helps me land flies accurately on distant fish. The slickness additive makes it easy to cast and the line holds up well after repeated use in saltwater.
Connor Morrison –
I’ve tried several saltwater lines, but the Amplitude Infinity Salt stands out for its accuracy and durability. It’s a game-changer for long-range casting in open water.
Justin Churchill –
Good performance in windy conditions. The texture helps with fly retention, though it’s slightly heavier than expected for a half-line weight.
Diane Hamilton –
The AST PLUS additive really makes a difference. I can cast farther and the line doesn’t tangle easily. Works well in both still and moving water.