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Otter Butter

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Product Description

Otter Butter is a hand-crafted fly line and leader dressing made by us right here in Groton, MA. Otter Butter applies easily with the included chamois applicator and a single application should last through a long day on the water. Originally developed for oiled silk fly lines, Otter Butter can be used on silk lines, furled leaders and tenkara lines and even modern synthetic fly lines. It does not contain any harmful solvents or ingredients and does not contain silicones. Otter Butter has a mild and pleasant beeswax fragrance. Otter Butter leaves a thin, hard coating on your line that glides through the guides. You will hear and feel the difference on silk and modern synthetic lines. It also does not pick up grit like other line dressings.

Otter Butter comes in a screw top tin can and is a full 1.5 oz. Also available in a convenient pocket size for dressing your furled leaders, tenkara lines or stream-side touch-ups.

Try Otter Butter, we think you'll agree, "It floats better!


Never apply Otter Butter to a damp or wet silk line, trapped moisture invites mold. Apply to clean fly line with chamois pad at least 30 minutes in advance of fishing - this gives the butter time to set up properly. Make sure the butter gets down into the weave and remove excess with the chamois. A thin coat is more effective and actually lasts longer. An application should last the entire day.


  • Keep the chamois clean by washing in with warm water and soap to remove built up dirt and butter residue.
  • Dirty lines should be washed in warm soapy water using a mild detergent like Woolite™ and pre-dried by wiping with a clean cloth rag several times. Then allow the line to dry in loose coils or on a line dryer.

To apply Otter Butter to a line previously dressed with Mucilin or another product:

  • Wipe the old dressing off with a clean cloth rag. You will probably see a lot of dirt on the rag from the grit the original dressing picked up.
  • Apply Otter Butter according to the instructions above.
See what others have to say:

Manufactured by The Eclectic Angler in the USA!

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Product Reviews

Showing reviews 1-10 of 12 | Next

  1. Best line dressing available. 5 Star Review

    Posted by on 26th Oct 2020

    I've tried several line dressings including red Mucilin, which was previously the best I've tried. This is much better. Slicker, less sticky, and an all-around more durable coating.

  2. best in class 5 Star Review

    Posted by on 28th Aug 2020

    First used otter butter a couple of years ago.

    Was surprised by how much better it was than the traditional product.

    Will continue to purchase and use in the future.

  3. A good solid Dressing 5 Star Review

    Posted by on 4th Jul 2020

    I like Otter butter and put it on my fly line, Leaders, and even my flys. I like that it may need to be applied more often (it comes off cleanly) than other products yet provides better flotation than many other products. It is definitely waxy, and when applying to flies it stays for a longer period of time. I can recommend it for both trout and salmon gear.

  4. Fantastic leader dressing. 5 Star Review

    Posted by on 3rd Sep 2017

    Otterbutter is the best leader dressing I've used. I live in Montana and one of my favorite things is chasing rising fish on stillwaters here, what's commonly called "Gulper Fishing"in this region. Having a leader float high makes it much easier to pick up and recast to cruising fish, and also helps keep the leader out of the weeds that always seem present for this fishing. Otterbutter keeps the leader up higher and lasts longer than anything else I've used. I usually use it on furled leaders, but have also had it work great on normal mono leaders. It's also a great quick fix for a floating line with a waterlogged tip. It's become one of those little extras that I'm not confident fishing a hatch without. Great stuff.

  5. best line dressing ever used 5 Star Review

    Posted by on 18th Jun 2017

    The firmness of Otter Butter is perfect, and the old school, screw lock tin is perfect. Unlike the competition's, it doesn't melt in my vest, run out and saturate the contents and be wasted. I bought a second tin just in case!

  6. Good Stuff! 5 Star Review

    Posted by on 2nd Jun 2017

    There is no substitute!

  7. great product 5 Star Review

    Posted by on 11th Jun 2015

    Works as advertised.

  8. Good stuff! 5 Star Review

    Posted by on 13th Apr 2015

    This stuff is great for my silk lines and furled leaders, they float longer and higher than when I was using Mucillin.

  9. silk line floats longer & better 5 Star Review

    Posted by on 21st Mar 2015

    Fully endorse the use of this product on silk lines, much
    more effective than other floatants offered on the market today ..used it in
    Canals down here in south Florida, can't wait til I get back to Oregon on some
    Of the great trout waters I fly fish there...

  10. works great 4 Star Review

    Posted by on 25th May 2014

    This butter works well and the applicator chammy does a great job of distributing the butter. Only con is the butter is dense and takes some elbow grease to get on the applicator chammy . But it's worth the work. Works great with ferrel leaders

Showing reviews 1-10 of 12 | Next


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