Scientific Anglers Frequency Full Sink Fly Line – Sink 6
The Frequency Full Sink is the perfect sinking fly line for stillwater anglers. It handles streamers and wet flies with ease, cuts through wind efficiently, and features a mid-length head for improved line control. Designed with two sink rates, this line delivers reliable performance without breaking the bank.
- Especially effective for fishing streamers
- Thin diameter cuts through wind
- Ideal for use in stillwater situations
- Front welded loop on Sink 3; Sink 6 includes braided loop connection
- Mid-length head for enhanced line control
- Sink Rate: 2.5 – 4.0 ips
| Feature | Detail |
|---|---|
| Sink Rate | 2.5 – 4.0 ips |
| Line Type | Full Sinking Fly Line |
| Best For | Stillwater fishing, streamers, wet flies |
| Loop Type | Braided loop connection |
| Head Length | Mid-length head |
FAQ
What makes the Frequency Full Sink line suitable for stillwater fishing?
The line features a mid-length head for better line control and a consistent sink rate that works well with streamers and wet flies in calm or still water conditions.
Does the Sink 6 model have a different loop than the Sink 3?
Yes, the Sink 6 includes a braided loop connection, while the Sink 3 has a front welded loop.
Can this line be used effectively in windy conditions?
Yes, its thin diameter allows it to cut through wind efficiently, maintaining performance even in gusty weather.



Dylan King –
I’ve used this line for several weeks on a quiet lake and it performs consistently. The sink rate is just right for streamers, and the mid-length head gives me better control when casting. Wind doesn’t affect it much, which is a big plus.
Una Howard –
Great for stillwater fishing. The line sinks smoothly and doesn’t tangle easily. I noticed a slight difference in feel compared to other full sink lines, but it’s a positive one. Works well with both wet flies and streamers.
Vanessa Scott –
The braided loop is more durable than the welded one. I’ve cast in light wind and it stays stable. It’s a solid choice for lakes and ponds where precision matters.