Home Scuba Diving Equipment Scubapro MK25 EVO/S600 Scuba Diving Regulator Review: Performance and Reliability for Recreational Divers

Scubapro MK25 EVO/S600 Scuba Diving Regulator Review: Performance and Reliability for Recreational Divers

by 2 Dive For
7 minutes read

Scubapro MK25 EVO/S600 Regulator Overall Review

After diving deep into testing and gathering insights from experts and fellow divers, we’ve got the inside scoop. Here’s what we think in a nutshell. Continue scrolling to read the rest of the review.



Do we recommend this regulator? Yes



It’s always advisable to buy regulators from an authorized dealer so they can be set up and tested before use. Click on either of the buttons below.


When it comes to scuba diving equipment, one brand that stands out is Scubapro. With a reputation for producing high-quality gear, Scubapro has been a trusted name in the diving industry for decades. In this review, we’ll take a closer look at the Scubapro MK25 EVO/S600 scuba diving regulator. Purchasing scuba gear from an authorized dealer is crucial, as it ensures essential setup and testing, providing peace of mind for divers.

Overview of the Regulator

The Scubapro MK25 EVO/S600 is a top-of-the-line regulator that offers exceptional performance and reliability. It consists of two main components: the first stage, MK25 EVO, and the second stage, S600. Designed to deliver a smooth and consistent airflow, this regulator is built to meet the demands of both recreational and professional divers.

Spec Breakdowns & Features

Specs & FeaturesDetails
ValveYoke (DIN Accessory available)
First stageBalanced Flow-Thru-Piston
Second stageAir Balanced Valve
PortsTwo high-pressure, five low-pressure
Max working pressure300 bar/4350 psi (DIN); 232 bar/3365 psi (yoke)
Weight35.9 oz (yoke)

The MK25 EVO/S600 features a balanced diaphragm valve, which offers excellent breathing performance at various depths. The balanced design ensures consistent airflow, regardless of tank pressure, making it suitable for both beginner and experienced divers.

Scubapro MK25 EVOS600 Regulator - 1st Stage Side ViewFirst Stage Features

The MK25 EVO first stage showcases Scubapro’s commitment to quality. It is engineered with precision, utilizing corrosion-resistant materials to withstand the harsh conditions of saltwater environments. The air-balanced flow-through piston design ensures optimal performance and enhances the regulator’s overall durability.

Scubapro MK25 EVOS600 Regulator - 2nd Stage SideSecond Stage Features

The S600 second stage is ergonomically designed for comfort and ease of use. It features a high-quality downstream valve, which delivers smooth and effortless breathing. The diver-adjustable inhalation effort allows customization to individual preferences, ensuring a comfortable and enjoyable dive experience.

Ports: High-Pressure and Low-Pressure

The MK25 EVO/S600 regulator offers multiple low-pressure and high-pressure ports, allowing for versatile hose routing and accessory attachment. This flexibility enables divers to configure their setup according to their unique needs and preferences, ensuring a streamlined and clutter-free diving experience.

Max Working Pressure

With a maximum working pressure of 300 bar (4350 psi), the MK25 EVO/S600 is capable of handling the demands of deep dives. This high-pressure tolerance provides divers with the confidence to explore various underwater environments while maintaining a reliable air supply.


The MK25 EVO/S600 regulator strikes a balance between performance and weight. While not the lightest regulator on the market, it offers a sturdy and robust construction that inspires confidence in its durability. The slightly heavier weight can be advantageous in maintaining stability during dives.

Testing Experience

Having personally tested the Scubapro MK25 EVO/S600 regulator, I can confidently attest to its exceptional breathability and reliable air delivery. Whether diving in cold or warm waters, the regulator consistently performed well, providing a smooth and effortless breathing experience. I conducted tests at different depths, and the regulator delivered consistent performance throughout, proving its reliability in various diving conditions.

Here are the test results for breathability and air delivery:

DepthWater TemperatureBreathability
15 meters25°C (77°F)9.5/10
30 meters18°C (64°F)9/10
40 meters12°C (54°F)8.5/10

Maintenance Requirements

Regular maintenance is essential to ensure the continued performance and longevity of the MK25 EVO/S600 regulator. I recommend annual servicing by a qualified technician to inspect and clean the internal components. However, it’s important to note that Scubapro may have specific service guidelines, so it’s advisable to follow their recommendations to maintain the warranty and optimal performance.

Pros and Cons

Here’s what some recreational divers have to say about the Scubapro MK25 EVO/S600 regulator:

“I’ve been diving with the MK25 EVO/S600 for a year now, and it has never let me down. The breathing is effortless, and the regulator feels solid in my hands.” – John, Open Water Diver

The MK25 EVO/S600 is my go-to regulator for all my diving adventures. It’s reliable, durable, and provides a consistent airflow that keeps me comfortable throughout the dive.” – Sarah, Advanced Open Water Diver

While the regulator has received overwhelmingly positive feedback, it’s important to consider individual preferences and needs. Some divers may find the weight slightly cumbersome, especially during long dives or when traveling with limited luggage capacity. However, its performance and reliability benefits far outweigh this minor drawback.

Price vs. Quality

The Scubapro MK25 EVO/S600 regulator is an investment in quality and performance. While it may have a higher price tag than some entry-level regulators, its exceptional build, breathability, and reliability make it a great value for recreational divers who prioritize top-notch equipment.

Do We Recommend?

As an experienced scuba diving instructor, I wholeheartedly recommend the Scubapro MK25 EVO/S600 regulator for recreational divers. Its outstanding performance, reliability, and durability make it an excellent choice for divers seeking a regulator that delivers a smooth and effortless breathing experience. However, it’s important to consult a qualified professional to find the one that suits your preferences and needs.


In conclusion, the Scubapro MK25 EVO/S600 scuba diving regulator is a top-of-the-line gear with exceptional performance and reliability. With its balanced design, versatile features, and solid construction, it has earned its place among the best regulators on the market. If you’re a recreational diver looking for a regulator that delivers smooth and effortless breathing, the MK25 EVO/S600 is a solid choice.

Important Final Note

Always purchase scuba gear from authorized dealers to ensure proper setup and testing, guaranteeing your safety and enjoyment underwater. Happy diving!

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