Alchemy S Blades

The Blades Alchemy S Model S are compatible with Phatos Fireblade footpockets and have 11 layers of carbon fiber, 72cm long and 23° corner angle.

They are provided with a written guarantee of five (5) years from the day of manufacture.

This product is usually produced after ordering. We do not own stock of all models. Delivery time may vary from 10 to 25 business days. Normal delivery time is 10 working days (2 weeks). You should contact us in order to know the waiting time before placing your order.

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The new ground-breaking fins/blades Alchemy S are progressive in every way. With top notch performance and configurability, they are designed to enable a wide range of spearos push the boundaries of what is possible. Every aspect of the Alchemy S is designed in pursuit of greatness. Based on a completely new blueprint which aims to help spearos outperform themselves even in the most extreme scenarios, they are engineered to go full force, all the time. From there anything is possible. S for Speed, S for Safety, S for Spearfishing.


The Alchemy S model is the latest addition to the Alchemy family. Tailor made for spearfishing, it packs everything, in terms of performance & efficiency, into an advanced specialty. The new length (-3cm compared to V3) makes the blades a lot faster & easy to manoeuvre under any circumstances and the reinforced base of the blades offers maximum results for all diving styles. Following the V3 model, their shape fits Pathos footpockets with an angle of 23 degrees. This blades kept the extraordinary mirror finish on the blades' front side and matte finish on the back. 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.

Go here to know Alchemy S videos on YouTube®


Having the first worldwide innovative design of coloured silicone water-rails, was decided to offer more. Alchemy S blades come with an extra unique colour, never seen before in the alchemy pallete; Tuna Blue Metallic. The previous colour variations, are also available. 


Alchemy S Carbon Fiber Blades offer a new revolutionary design with 11 (eleven) 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. 40 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.


Alchemy S Carbon Fiber 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 S Carbon Fiber blade, there are specially designed water rails made of 100% silicone. 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.


• Manufacturing process: VRTM

• Carbon fiber layers: 11 (eleven)

• Carbon fiber reinforcement axis: 10 (ten)

• Carbon fiber content: ≥72%

• Blade length before the angle: 120 mm

• Blade length after the angle: 600 mm

• Blade's total length: 720 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: 20,524 m/sec *

• Oscillation step (feedback time): 0,0815 sec *

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

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