Knot Strength Test Results: Berkley Vanish vs. Seaguar Blue Label

By: Luke Simonds on June 22, 2018
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Berkley Vanish vs. Seaguar Blue Label Knot Test

Berkley Vanish vs. Seaguar Blue Label Knot Strength Test

It’s knot strength testing time! Today we’re testing the Berkley Vanish and the Seaguar Blue Label fluoro lines.

After getting great feedback on our Berkley Vanish vs. Seaguar Blue Label Abrasion Test Results, we decided to test which leader line is stronger for fishing knots.

Once again, we were FLOORED by the results of this test.

Note: Salt Strong is not affiliated with any line company, therefore we have zero bias toward either line. Our results are completely transparent.

In this post, we show you how we set up and performed our tests.

If you have any suggestions on how to modify our tests or improve them, please let us know in the comments below.

Berkley Vanish and Seaguar Blue Label Specs

Berkley Vanish Line Specs:

  • Strength: 20 lb
  • Diameter: 0.40mm
  • Yards: 250
  • Cost: $15.49
  • Cost per Yard: $0.06 (very inexpensive for fluorocarbon line)

Seaguar Blue Label Line Specs:

  • Strength: 20 lb
  • Diameter: 0.405mm
  • Yards: 25
  • Cost: $15.99
  • Cost per Yard: $0.64 (upper-median for fluorocarbon leader line)

Setting Up the Tests

I decided to test a couple different combinations of knots for these test in order to get the clearest results possible on which line is better for stronger knots.

Test 1: Terminal Knot Strength

For the first test, I decided to test the terminal knot strength of each line.

knot strength of leader lines Berkley vs Seagaur

Testing the terminal knot strength of each knot.

First, I tied both the Berkley Vanish and Seaguar Blue Label on the same line strand. Next, I tied the Seaguar to a white swivel using the non-slip loop knot and then connected the Berkley Vanish to the Seaguar Blue Label line using a double uni knot. I then tied the Berkley Vanish to a black swivel using the same non-slip loop knot.

Test 2: Line to Line Capabilities

For the second test, I decided to test the line to line knot strengths for each brand.

Line to Line knot strength for Berkley Vanish vs. Seaguar Blue Label

Testing the line to line knot strength for each line.

To test the strength of line to line knots for each brand, I tied the Seaguar Blue Label to the white swivel using a 6-turn uni knot and then connected the other end to 10 lb. power pro braid using the FG Knot. I tied the Berkley Vanish to the other end of the power pro braid using the same FG Knot and attached the other end of the Berkley Vanish to a black swivel using a 6-turn uni knot.

Berkley Vanish Vs. Seaguar Blue Label

I really didn’t know how these tests were going to turn out – especially after the shocking results from the abrasion test between these two lines last week.

The results here were also surprising but consistent through each test.

To see the results of the knot strength for each line check out the video below:

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Conclusion

The results from our tests show that Seaguar Blue Label most definitely has the stronger lines for knots than the Berkley Vanish.

However, I am still sticking with the Berkley Vanish line as my choice for leader. Although Seaguar holds up better for knot strength, the Berkley Vanish is still the better option for abrasion resistance, which is a critical factor when I’m snook fishing.

Also, Berkley Vanish’s cost per yard is just 6 cents vs. the 64 cents per yard cost of Seaguar. To me, the Berkley Vanish is a more practical choice.

However, if your main concern is how strong your knots are, the Seaguar Blue Label is the clear choice here.

Please use the Comments section to let me know about the following:

  1. Are there any factors in testing knot strength of each line that I missed or any problems you see with this test?
  2. Are there any other lines you’d like me to run through this test assembly?

The quest for the ultimate fishing line goes on! If you there are any tests you want to see next, including different brands or different kinds of testing altogether, let us know in the comments below!

Here are some other line tests that I believe you’ll enjoy:

1.  Berkley Vanish vs. Seaguar Blue Label Fluorocarbon Lines [Abrasion Test Results]

2. Is Fluorocarbon Leader More Abrasion Resistant Than Traditional Mono Leader?

3. Is Fluoro Leader Really Better Than Fluoro Mainline?

P.S. – If you enjoyed this post, please be sure to share it with your friends. We always aim to create content that is useful and relevant to any angler!

[See More Fishing Line Experiments & Reviews]

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Bing4951 Ingram
2 years ago

Luke what was the diameter of the two lines I think some companies rate differently on lbs,test

Lee Ashe
2 years ago

IM WITH YOU LUKE, I HAVE BEEN USING BERKLEY VANISH SINCE ITS INTRODUCTION BECAUSE OF THE ABRASION QUALITIES! !!!! OF CORSE THE COST FACTOR. THANKS AGAIN LUKE FOR YOUR TIME IN EDUCATING US MEMBERS WITH THE BEST CONCLUSIVE EVIDENCE!!! GOD BLESS AND SALT STRONG
P.S. WHEN IS SALT STRONG GOING TO HAVE MENS 2X FISHING SHIRTS FOR SALE?!?!

ROY NOBLIN
2 years ago

i made a comment on another tip about the knot was slipping and would not hold due to my not cleaning the fish oil off my hands before tying the knots or trying to. this makes me realize i am now using this Seaguar Blue Label. up until recently i have always used Berkley Vanish. i am more likely to wipe my hands on my pants than clean with water. my wife loves me 🙂 this is the first time i have ever had my knots slip like that and will now go back to Berkley Vanish and try replacing leader both to braid and hook and see if it happens.

Lee Ashe
2 years ago

GREAT TEST, SURPRISING RESULTS!!! THANKS SO MUCH FOR YOUR TIME, IT IS VERY HELPFUL TO ALL US.!!! THANK GOD FOR CAPT. LUKE AND CAPT JOE SIMONDS FOR HAVING STARTED SALT STRONG.!!! I HAVE A QUESTION ABOUT CAPT. C.A.RICHARSON AND CAPT. PETER DEEKS. DO THEY OFFER ANY DISCOUNT INCENTIVES FOR HIRING EITHER FOR GUIDE SERVICE!!! THANKS AGAIN FOR ALL YOU DO IN HELPING EDUCATING US ALL!!!
GOD BLESS AND FISH STRONG
SINCERELY LEE”GUNNY” ASHE

Norman Black
2 years ago

Your conclusion on abrasive strength over knot strength ( totally fair test in my view) is the mangrove flats fisherman’s biggest problem, line breaks from abrasive mouths and structure. I’m ordering Berkley Vanish today. Thank you Luke for your help