Mayhems
Mayhems PC Coolant X1 Premix Eco Friendly Series 5 Litre Cosmic Nebula Indigo
Best eco-friendly coolant for custom water-cooled PC enthusiasts.
Experience superior cooling with Mayhems PC Coolant X1 Premix in Cosmic Nebula Indigo. This 5-litre, ready-to-use coolant is Mayhems' most eco-friendly option, crafted from biodegradable vegetable extracts. It ensures excellent thermal performance while safeguarding your custom water cooling loop with advanced, non-toxic inhibitors that protect copper, brass, steel, nickel, and aluminium. Recognized as safe by the US FDA, this coolant offers low oral toxicity and is readily biodegradable, making it a responsible choice for your system. Enjoy enhanced hardware longevity and efficient cooling with this translucent, indigo-hued liquid.
$59.99
Owner Satisfaction
4.7
/ 5
Category Rank
152
/ 3605
#152 in Computer System Cooling Parts
Price vs Category Average
-60%
Below average
Coolant Type
Premixed
/ Premixed
Who it's for
- Aesthetic-focused enthusiasts seeking reliable performance with vibrant visual appeal
- Eco-conscious builders prioritizing sustainable and low-toxicity cooling solutions
- System integrators managing multiple loops or large-scale custom builds
Who should skip it
- Budget-conscious builders assembling a single, compact cooling loop
- Advanced modders requiring precise control over coolant concentration and additives
- Casual users with limited storage space for bulk liquid supplies
Performance breakdown
Environmental Safety
Biodegradable vegetable extracts set a new standard for eco-conscious PC maintenance.
Material Compatibility
Advanced inhibitors provide robust protection across all common loop metal types.
Ease of Use
Ready-to-use premix formula eliminates the hassle of mixing and measuring.
Operational Longevity
Reliable one-year service life ensures consistent performance between routine system flushes.
Safety Standards
FDA-recognized low toxicity and bittering agents prioritize household and user safety.
Thermal Efficiency
Maintains stable temperatures for high-performance custom water cooling loops.
Key Specs
Coolant Type
Premixed
Volume
5000 ml
Colour
Cosmic Nebula Indigo
Transparency
Translucent
UV Reactive
No
Freezing Point
-6°C
Boiling Point
Up to 100°C (Pressure dependant)
Shelf Life
3 Years
Features
- Easy, ready-to-use premixed coolant
- Fully biodegradable and environmentally friendly
- Protects multiple metal types from corrosion
- Low oral toxicity for enhanced safety
- Compatible with Mayhems dyes for custom colors
- Contains bitter additives to deter accidental ingestion
- Proven to meet ASTM D3306 and BS6580 standards
- Manufactured locally in the UK
What customers say
Customers highly value the Mayhems PC Coolant X1 for its superior aesthetic and reliable performance. The 'Cosmic Nebula Indigo' color is celebrated for providing a stunning, customized look to water-cooled systems. Users confirm the X1 series maintains excellent stability, successfully avoiding staining issues common with colored fluids, thus promoting long term loop health. The generous 5 liter volume offers great convenience and value for builders with large or multiple systems. While the initial cost is premium, the combination of dramatic visual impact, proven longevity, and excellent thermal performance overwhelmingly justifies the investment. This coolant is considered a top choice for serious builders prioritizing both uncompromising quality and striking visual flair.
Know before you buy
No, this is a premixed solution. It is ready to pour directly into your custom water cooling loop without any additional preparation.
Yes, the X1 formula includes advanced inhibitors that protect copper, brass, steel, nickel, and aluminium, making it safe for loops containing multiple metal types.
For optimal thermal performance and to prevent buildup, you should drain and replace the coolant every 12 months.
You can use Mayhems dyes to customize the shade of the Cosmic Nebula Indigo, but you should not mix this coolant with other brands or different types of fluids to avoid chemical reactions or clogging.
No, this specific coolant is translucent but not UV reactive. It will provide a rich indigo hue under standard lighting conditions.
This coolant is formulated from biodegradable vegetable extracts and features low oral toxicity, making it a more environmentally responsible choice than traditional glycol-based fluids.
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$60