Best Coolant for PC Water Cooling

Jake Tremblay

Best PC Coolant

Selecting the appropriate coolant for water-cooled PCs is crucial for maintaining optimal temperatures and ensuring the longevity of the components. Water cooling provides a more efficient method of heat removal than traditional air cooling, but it requires the right coolant mix to prevent corrosion, algae growth, and to maintain the system’s effectiveness. The perfect coolant not only dissipates heat but also preserves the cooling system’s integrity.

The market offers a variety of coolant options, including premixed solutions and concentrates. Premixed coolants are convenient and often contain additives that inhibit corrosion and biological growth. On the other hand, enthusiasts who prefer a custom approach can choose to mix distilled water with biocides and anti-corrosive agents. It’s essential that users select a coolant that matches their system’s requirements, whether they prioritize performance, aesthetics or both.

Coolants to Make Your PC Chill

Building a custom water-cooled PC is a fun way to show off and keep your high-end rig cool under pressure. But what coolant should you use to fill your loop?

There are several factors to consider when choosing a coolant for your PC. These include:

  • Thermal Conductivity: This is how well the coolant transfers heat away from your components.
  • Corrosion Protection: You want a coolant that protects your water block, pump, and other metal parts from rust and corrosion.
  • Color Options: Many coolants come in a variety of colors, so you can customize your PC’s look.
  • Opacity: Choose between clear coolants or opaque ones that hide the inner workings of your loop.
yellow and blue plastic toy
Water Block

Top Picks for Coolant

These popular brands offer a range of options to suit your needs and style:

EKWB EK-CryoFuelPre-mixed and concentrated options, wide range of colorsVibrant colors, long lifespanCan stain tubing if spilled
Corsair Hydro X Series XL8Pre-mixed with vibrant colorsEasy to use, good performanceLimited color options
XSPC EC6Eco-friendly, affordableGood thermal performance, wide range of colorsCan be difficult to find
MayhemsOffers a wide range of coolants, dyes, and additivesHigh degree of customizationCan be more expensive
Aquacomputer Double Protect UltraClear coolant with good corrosion protectionLow electrical conductivity, good heat transferLimited color options

Maintenance Tips

Remember to flush your water cooling loop and replace your coolant regularly to maintain optimal performance and prevent the buildup of algae or bacteria. Most coolants have a lifespan of 1-2 years.

Making Your Choice

The best coolant for your PC will depend on your personal preferences and budget. Do some research and read reviews to find the right one for you.

Key Takeaways

  • Selecting the proper coolant is essential for the efficacy and maintenance of water-cooled PCs.
  • Coolants range from ready-to-use premixed solutions to customizable distilled water mixtures.
  • A suitable coolant maintains system integrity while efficiently dissipating heat.

Understanding PC Water Cooling

In PC water cooling, efficient heat transfer relies on a system of connected components working with appropriate coolants.

Components of a Water Cooling System

A typical water cooling system for PCs includes radiators, reservoirs, pumps, tubing, water blocks, and fittings. The pump circulates coolant from the reservoir through tubing, passing it through water blocks attached to heat-producing components like the CPU and GPU. Heat is then transferred from the blocks to the coolant, which carries it away to the radiator. Here fans aid in dissipating heat into the air.

Types of PC Coolants

Popular coolants for PC water cooling include:

  • Distilled water: The simplest coolant, often combined with biocides and corrosion inhibitors.
  • Propylene glycol/ethylene glycol mixtures: These have anti-freezing properties and often come with corrosion inhibitors.
  • Specialized coolants: Such as EKWB EK-CryoFuel Premix, XSPC EC6 High-Performance Premix Coolant, and Corsair Hydro X Series coolants, formulated to optimize thermal properties and reduce maintenance.

Coolant Properties and Performance

When assessing coolants, two key attributes to consider are thermal conductivity and electrical conductivity. High thermal conductivity is crucial for effective heat removal; whereas lower electrical conductivity reduces the risk of damaging hardware in the event of a leak. Non-toxic corrosion inhibitors and biocides prevent growths and protect against metallic corrosion, ensuring longevity of the system. Products like PrimoChill Vue offer unique aesthetic qualities but prioritize these performance factors. Coolants may also include ingredients like vegetable extracts for their biodegradable nature. They are designed to prevent issues like corrosion and maintain optimal cooling performance over time.