alchemy V3


Meet the carbon fins which disrupted the freediving world. A complete game-changer, preferred by the sport's deepest freedivers.

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Alchemy V3 offer the ultimate carbon layer positioning inside each blade. Fifteen (15) layers of pure 100% carbon fiber positioned in the best possible way to offer the most efficient bending profile, yet the ultimate feedback nerve and speed. Having the first ever V shaped reinforcement layer that goes beyond the blade's angle we make sure power and feedback come straight from the beginning of each kick.


V3 carbon freediving blades offer a new pat. pending design called Hardtip. Built in reverse order, we managed to get the blade's tip harder. This all new feature makes the most out of your blade's efficiency as it corrects the total bending profile ensuring zero dead spots during immersion from deep dives. While not taking part in the blade's total stiffness level, comes into action when fins start oscillating continuously during diver's vertical movement, ensuring continuous power transition without dead spots.


Having the first worldwide innovative design of colored silicone water-rails, V3 blades come into lots of color variations, including metallics and fluorescent options as well. In other words, we offer all it takes for you to be in love with your equipment.


Our V3 model comes with all past features as standard, plus more. We kept the extraordinary mirror finish on the blades' front side and matte finish on the back. There is also a five (5) year warranty from the day of manufacturing for the carbon part of your blades, ensuring the best working way as the day you first ever tried them. Serial number tag is now embedded into the blade's lamination ensuring the authenticity of your genuine Alchemy product along with a hologram tamper-proof individually numbered tag on your warranty certificate document.


Alchemy V3 carbon fiber blades offer a new revolutionary design with more carbon fiber layers, for ultimate energy transferring and top performance. They are manufactured in compliance with the most demanding and modern standards in constant ambient temperature and humidity. 45 tons of total pressure combined with vacuum assistance (VRTM) and 12 hours post curing in temperatures controlled through PLC (Programmable Logic Controller) with a deviation of less than ± 0,1°C.


V3 blades are manufactured ending in a dolphin tail shape (D.Tail). This shape gives the best results based on hydrodynamics studies (Rensselaer Polytechnic Institute / T. Wei) and tests made in C.F.D. software (Computational Fluid Dynamics). The dolphin tail shaped ending gives the maximum thrust with the least possible energy consumption.


In each Alchemy V3 carbon fiber blade, there are specially designed water rails made of 100% silicone in white, blue, red, black, gold, silver or fluorescent colors. The design was made in a three-dimensional (3D) CAD environment and produced in United Kingdom by a high end silicone production facility. Trials and studies in C.F.D. software showed that this water rail detains and drives the water on the blade without losing its shape even in the toughest conditions. The fact that even in the limit bend of the blade, the water rail retains its shape, drives the water from the beginning of the stroke and provides immediate response to the diver's moves. Alchemy water rails offer hydrodynamic design and the absolute superiority of silicone to common rubber on strength, original shape maintenance and strength under extreme conditions.


Alchemy V3 Carbon Fiber Blades are provided with a written warranty of five (5) years from the day of manufacturing.


• Manufacturing process: VRTM
• Carbon fiber layers: 15 (fifteen)
• Carbon fiber reinforcement axis: 14 (fourteen)
• Carbon fiber content: ≥72%
• Blade length before the angle: 120 mm
• Blade length after the angle: 630 mm
• Blade's total length: 750 mm
• Blade's total width: 195 mm
• Blade's angle: 23°
• Angle type: Corner
• Warranty period: 5 (five) years from the day of manufacturing
• Max. retraction speed: 22,863 m/sec *
• Oscillation step (feedback time): 0,0708 sec *

* Measures taken in lab conditions @ 25°C temperature, 55% relative humidity, 1013hPa pressure

Carbon fiber fins/blades are produced upon ordering. We do not keep them in stock. Lead time (waiting) may vary from 5 to 25 working days, depending on our work load and your special requests. Normal lead time is 10 working days (2 weeks). Please be sure to contact us in order to know the waiting time before you place your order. We are always doing our best in order to keep you waiting the least possible time.



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Shipping & Returns


Lazaro del Toro

I never thought a piece of gear would change my dives so drastically, but it did. The alchemy fins even when compared to other carbon fins are just superior, the finish and comfort it is just incredible. I do freediving and spearfishing, and for both it has fit the task. I am 205 lbs and with a medium stiffness I've found the proper balance. Definetely I'll be a costumer for years to come !

Verified Buyer
Samantha Kildegaard

Top quality fins with top notch performance and ultra comfortable footpockets.

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Really good fins. The best for spearfishing competitions!

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Cesar Rodriguez

Fin has been absolutly great ... compared to just about every fin in the market .

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Una Tsai


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Very good!

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Anna Chang

Everything is good ,but I got first one is soft, not really fit me! Next time i will buy medium/soft!

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Zizi Chen

It's my first pair of fins and I adore it! Highly recommended with good quality and light weight. Best partner in your diving trip.

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Miguel Azevedo

When I got my fins (2017) they were alchemy's top of the line. I have been using them for both pure freediving(cwtb and safety) and spearfishing, sometimes on rough seas and harsh environments and they still perform as top of the line fins! These are definitely worth the investment, durable, reliable, the best fins I ever tried. Although I am curious about the v3-30.

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Nice and I love it!

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