Customer ratings

Name: GTI 30 Thin-Film Antifouling / graphite
Brand: SEATEC
Price: 39.95 EUR
Availability: InStock
Rating: 4.5 (149 reviews)

GTI 30 Thin-Film Antifouling / graphite

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Excellent

from 203681 Ratings

5,0/5.0 stars

Objednavka dosla vporiadku dakujem

More ratings

-25%

(149)

SEATEC GTI 30 Thin-Film Antifouling / graphite

€52.96

from €39.95 (€53.26 / L)

2 variants

4.5 (out of 149 ratings)

5 Stars

(98)

4 Stars

(37)

3 Stars

(9)

2 Stars

(2)

1 Stars

(3)

98% recommend SVB

Advantages
Colour (68)
Yield (theoretical) (73)
Price/performance ratio (72)
Processing (69)
Effect (56)
Drying time (50)

Disadvantages
Colour (6)
Yield (theoretical) (3)
Price/performance ratio (4)
Processing (4)
Effect (4)
Drying time (1)

Opinions
Place of use : Baltic Sea (21)
Place of use : Inshore waters (31)
Place of use : North Sea (2)
Place of use : Atlantic (4)
Place of use : Med (1)

by Olivier G.

4/29/2019 Verified purchase Variant: 66660

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Good product used on seatec epoxy primer

Good product used on epoxy primed seatec, dry quickly. Used for inland water south-west France, to see if the product is sufficiently effective for the season.

by Lars P.

11/6/2018 Verified purchase Variant: 66661

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Lars

All right, gladly again.

by sylvain B.

4/26/2018 Verified purchase Variant: 66660

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1st use instead of the V17 we will see the effectiveness over time

by Bernd M.

12/25/2017 Verified purchase Variant: 66634

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We have been using this thin film antifouling for years on an Etap 30i, with success. Absolutely VC 17M compatible, no detachment from the surface. The effect lasts about 3 months inland, after which biology slowly begins to grow. If feasible, you can then easily clean the underwater ship with scrubber in the late season or after the lips with Kärcher, apparently the growth is not so tight when using the GTI30. The sanding in the spring does not apply, but please protect aluminum surfaces (eg Saildrive) as copper and aluminum make electrolysis. Overall, recommended product.

by Michel A.

11/13/2017 Verified purchase Variant: 66634

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good product

by Alberto P.

3/16/2017 Verified purchase Variant: 66633

I sail a sailing yacht all year round in the Atlantic Rias in the north of Spain. I applied GTI 30 on my yatch but did not find it very effective during the summer, however it was not too bad either. Last year I applied the cooper color while this year I will try anthracite.

by Alberto P.

3/16/2017 Verified purchase Variant: 66633

by michel B.

11/14/2016 Verified purchase Variant: 66631

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good product, which I use for the second time in place of the VC 17 M extra much cheaper and gives me complete satisfaction

by Alessandro Z.

6/11/2015 Verified purchase Variant: 66632

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Excellent product.

by peter S.

4/12/2015 Verified purchase Variant: 66631

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Everything was great

by Philipp H.

3/5/2026 Verified purchase Variant: 66660 in use on a Artekno Oy - H-Boot

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SEATEC GTI30

The build quality and performance aren't quite the same as the VC17m, but all in all it's okay; I'll continue using it for now.

Advantages
Colour
Yield (theoretical)
Price/performance ratio

Disadvantages
Processing
Effect
Drying time

Opinions
Place of use : Inshore waters

by Thomas P.

10/20/2025 Verified purchase Variant: 66661

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Just as good as ..

The Schlei and Baltic Sea are the locations. Zero growth. The processing characteristics alone are better with the original. You know, the one with the Nobel Prize.

Advantages
Colour
Yield (theoretical)
Price/performance ratio
Processing
Effect
Drying time

by Martin P.

4/6/2025 Verified purchase Variant: 66661

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sailing ship

This is our first time ordering the underwater coating, so we can't yet comment on its effectiveness. The product was easy to apply, but it didn't work as well as previous products. Our boat is 9.40 x 3.20 m.

Advantages
Colour
Price/performance ratio
Processing
Drying time

Disadvantages
Yield (theoretical)

Opinions
Place of use : Inshore waters

by Volker M.

4/2/2025 Verified purchase Variant: 66661

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Too thick

The antifouling is quite thick. The application has improved compared to the past. The antifouling works well in the Greifswalder Bodden.

Advantages
Yield (theoretical)
Drying time

Disadvantages
Colour
Price/performance ratio
Processing
Effect

Opinions
Place of use : Baltic Sea

by Laurent C.

5/2/2024 Verified purchase Variant: 66661

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Antifouling

First use

Advantages
Colour
Yield (theoretical)

by Jean-Christophe M.

10/11/2022 Verified purchase Variant: 66661

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Not easy to apply

For the first layer on vc17, it's ok hung well. On the other hand, on the parts where you could see the vctar, some grip problems. For the second layer it's not easy because the color of the product does not change while drying, so you have to take your bearings to know where you are. Too bad it's only available in anthracite.
Too early to know the effectiveness of the antifouling, on the slippery side it seems ok.

Advantages
Price/performance ratio

Disadvantages
Colour
Yield (theoretical)

by Petra R.

5/6/2022 Verified purchase Variant: 66661

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Always fast delivery!

Good products at fair prices!

by Bernard F.

7/30/2019 Verified purchase Variant: 66661

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GTI 30 vs VC17

Easier to roll than VC17 because less liquid. Same hiding power Slips no significant difference Protection no better than VC17

by Klaus K.

9/2/2016 Variant: 66631

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Weak protection against fouling

GTI 30 on VC17m extra painted, workmanship, adhesion and fertility very good, protection against fouling deficient, as long as the ship is sailed every week ok, after 5! 2-3 weeks without movement 2-3cm of growth with mussels, smallpox and mucus Will change back to VC17m Extra or Jotun product

by Dominique D.

9/11/2020 Verified purchase Variant: 66660

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I no longer love,

by Bernd M.

4/7/2019 Verified purchase Variant: 66660

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the right product in the can?

For years, I use the GTI 30 for a sailing yacht in the interior, so far best. In February, I bought again to supplement the remainder of 2018 750ml GTI 30 graphite. Same inscription, same design and order number as before. When I opened the new rifle today, it's amazing a CuO-contained bag (International !!) in the lid and the ground substance in the rifle is already graphite-colored. So no more with "final color after letting", now I have a spotted underwater ship, red to BB by old GTI 30, it will certainly bring me funny comments slipping. Problematic, this product specification was not announced nor are the solvents used compatible with the old GTI 30! What's happening??? I still have a 30ml rest ...

Our answer

Durch das Inkrafttreten der REACH-Verordnung (EU-Chemikalienverordnung) haben alle Hersteller von Farben - hier insbesondere die Antifoulings - ihre Rezepturen anpassen müssen.
Nach dem Zuwasserlassen wird sich der Farbton angleichen.

by Peter W.

5/14/2026 Verified purchase Variant: 66660

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The second pull dissolved the first layer

Not happy because it was not possible to paint the second layer without it dissolving the layer before, despite the right temperature and time between layers
Had to sand and redo four times and still it didn't turn out well
Want new paint delivered ??

Advantages
Drying time

Disadvantages
Colour
Price/performance ratio

Opinions
Place of use : Baltic Sea

by Curd H.

1/29/2026 Verified purchase Variant: 66660

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Product will not be delivered

I was very satisfied with the product. Unfortunately, delivery to Switzerland is not possible.

by Pierre S.

2/26/2016 Verified purchase Variant: 66633

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waiting for the season

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