Water cooling is becoming more and more popular, with its benefits being tremendous. Water cooling is a much more effective way of dissipating heat than air cooling, because water is the most efficient of all the three common cooling media: air, water and oil.

After all, what’s the point of water cooling your CPU and GPU if your water block isn’t up to par? And if you don’t have any issues, why skimp out on quality? Luckily, there are a lot of coolant choices these days, ranging from “budget” to top-tier.

In an effort to keep your gaming rigs running cool and quiet, it is important to keep your parts in top condition, especially your water cooling parts. This is why it is important to have the proper cooling compound on hand to keep them running smooth. If you are looking for a top quality and effective cooling compound that you can use to keep your water cooling parts in top condition, then take a look at what we have for you.

If you’re searching for a fantastic coolant for your water-cooled gaming PC but are overwhelmed by the many choices available, this article will assist you.

If you’re in a rush, you may also look at my #1 suggested coolant.

A key component of a water-cooled computer is the cooling liquid. It is critical to get the finest coolant since most coolants quickly pollute the system.

In this article, you’ll learn about the 7 finest coolants for water-cooled PCs that provide great cooling and system visibility.

So, let’s get this party started.

Leading Cooling Fluids in General

Top 7 Best Water Cooling Coolant

To maintain the system’s optimal temperature, a suitable coolant is required. To demonstrate the flow, the coolant should be germ-free and aesthetically appealing.

Some coolants may induce silting, which can harm the cooling system as a whole. As a result, the best coolant is required.

So, here are some of the best PC water cooling options for your gaming rig:

PrimoChill VUE is the first in the PrimoChill VUE series.

Primochill vue is most known for displaying the coolant in the watercooling loop, thanks to its cool ocular characteristics, which are helpful for illustrating fluid flow patterns.

The unique water-based composition of Vue enables the fluid to remain suspended for a longer period of time, resulting in greater lifespan.


Check out the current PrimoChill VUE price.

Another fascinating information regarding VUE is:

This coolant contains non-toxic corrosive inhibitors as well as a natural antibacterial growth fighter, and it is compatible with all rubber gaskets, acrylic tubing, pvc tubing, petg tubing, glass tubing, nickel, and copper components.

PrimoChill VUE has the following unique features:

  • There are 25 different hues to choose from.
  • 32 ounces of cooling fluid

This biodegradable, pre-dyed, and handcrafted coolant has a low conductivity.

Though this coolant has fantastic aesthetic qualities, it has the disadvantage of causing silting in radiators and water blocks. As a result, your gaming computer will be slower than normal.

VUE has a strong dye attraction and is recommended for experienced users.

2. EKWB EK-CryoFuel Solid Premix EKWB EK-CryoFuel Solid Premix

EK-CryoFuel Solid is a pre-mixed non-transparent coolant for PC watercooling loops. This coolant is made using an unique patent-pending process that uses high-quality concentrated pigments to create vibrant, long-lasting saturated colors.

This cooling fluid has everything a high-end water cooling system needs to operate well in the heat.


Find out how much EKWB EK-CryoFuel Solid Premix costs now.

In contrast to the VUE, this coolant will prevent water blocks and radiators from stilting.

EK-CryoFuel Solid includes:

  • 7 very vibrant hues
  • 1000 milliliters of coolant

EK-CryoFuel Solid is the most chemically firm coolant that offers PC gaming fans with the best possible level of operation, according to BS5117 (ASTM D1384) requirements.

In short:

This coolant is unusual in that it does not settle after extended periods of idleness. A one-year shelf life is also guaranteed from the date of bottling.

To preserve metals in the computer liquid cooling system, EK-CryoFuel includes symbiotic rusting inhibitors.

The only drawback is that if the coolant is used for an extended period of time, the color fades.

Overall, since this coolant is free of ethylene glycol and bittering agents, it helps to avoid fouling and promotes extended performance life and thermal efficiency.

3. Thermaltake C1000 Coolant for Computers

The new Thermaltake C1000 is a thick, opaque coolant that is primarily intended for component compatibility and to offer liquid cooling PC projects a posh, long-lasting appearance.

This coolant is available in seven distinct colors and contains an anti-corrosive, anti-freezing, anti-rusting, and anti-water scale solution with a three-year shelf life.

Thermaltake C1000 Computer Cooling Coolant is an almost odorless, non-flammable, and high-performance liquid that provides excellent protection for soft metals like as copper, nickel, brass, and aluminum.


Check the current price of the Thermaltake C1000.

The Thermaltake C1000 comes with the following features:

  • 1000 mL coolant for vibrant colors
  • Colors are pre-mixed in seven distinct shades.

This coolant is LCS approved and simple to use.

It’s important to remember the following:

Prior to installation, distill water should be introduced to cleanse the cooling system.

When it comes to visualization, this liquid cooling fluid is regarded a good bargain.

4. EKWB EK-CryoFuel Solid Concentrate Coolant EKWB EK-CryoFuel Solid Concentrate Coolant EKWB EK-Cry

The premix product concept is comparable to this one. The main difference is that this cooling fluid is more concentrated and used in less quantities for PC watercooling.

This water cooling fluid comes in seven different colors and contains 250 mL of liquid. It requires 750mL of distilled water to finish.

This coolant, like the premix model, has a poor electrical conductivity. It also contains physiologically active growth inhibitors as well as corrosion inhibitors.


Find out how much EKWB EK-CryoFuel Solid Concentrate costs now.

The only issue with this coolant is the following:

If you utilize it for more than three months, you’ll notice that the liquid has clogged up your sediment loop.

If you use this cooling liquid without mixing it with water, sedimentation will occur.

Furthermore, long-term use causes the colors to fade.

Another issue I have with this fluid is that it falls short whether you have a large reservoir, radiator, or tubing.

If I had to compare this fluid’s hue and consistency to anything, it would be milk.

5. Pastel Nano Coolant Premix by Mayhems

Mayhems 1000mL pastel water cooling fluid has excellent cooling capability and is available in 13 vibrant hues.

According to user evaluations, this coolant is the best on the market and outperforms anything else. This fluid may be used with any of the Mayhems Dyes to create your own unique hues.

This cooling liquid is fluid, almost like distilled water, and if you look carefully, it resembles blue cool-aid. There aren’t any visible particles. The solute is completely dissolved and does not seem to be readily separated.


Mayhems Pastel’s current price may be seen here.

It’s formulated with non-toxic corrosive and scale inhibitors to keep metals like copper, brass, steel, nickel, and aluminum safe.

Do you want to drink some water? (I’m joking)

It’s no issue. This cooling fluid freezes at -8 degrees and has a far lower oral hazard than propylene glycol.

However, in a cold, dry atmosphere, the liquid may be kept for up to three years.

Before using Mayhems Blitz Cleaning System, it is suggested that you cleanse your system. Also, except for dyes, no biological inhibitors should be included (as inhibitors are already included).

One very essential thing to keep in mind:

Aluminium radiators should not be used with this coolant.

6. Corsair Hydro X series CX-9060001-WW

The bright clear transparent hue of this water cooling fluid will complement your cooling loop.

Long-lasting pre-mixed performance liquid protects copper, brass, and nickel in the Corsair Hydro X line.

The liquid’s sophisticated anti-corrosion and anti-bacterial inhibitors will not blacken or harm your water blocks, fittings, or tubing, which is why I enjoy it.


Check the current price of the Corsair CX-9060001-WW.

The Corsair Hydro X series consists of the following components:

  • 1000mL liquid for cooling
  • This coolant is clear white in color.

Overall, it’s an excellent pre-treated fluid for your Corsair water loop that’s very simple to use.

7. PrimoChill True Infused – Liquid That Is Insanely Concentrated

This genuinely infused concentrated liquid elevates your cooling loop by reducing tension and worry about potential leaks.

Primochill True Fluid offers significant performance and aesthetic advantages without causing any discomfort.


Check out the current PrimoChill True price.

The sole disadvantage of this product is that it cannot be utilized with radiators having an aluminum coating.

It also includes an 8-ounce bottle of liquid that is safe for all plastics, rubbers, various gasket materials, and acrylic.

To the concentrated fluid, just add 1 gallon of distilled water.

Before applying the coolant, perform the Primochill System Reboot and Primochill Sysprep-cooling lip pre-treatment. Your water-cooled loop will not be harmed as a result of this.

Buyer’s Guide to WaterCooling Liquid

There are a few things to think about when purchasing liquid for your gaming setup.

A coolant is required to maintain the system’s temperature at 99 percent of the time.

As a gamer, I’ve experimented with a variety of fluids. Some of the parts of the rig were damaged, and some of the colors faded. The finest ones I still have are the most sought-after on the market.

So, here are some things to think about when purchasing a cooling fluid:

Colors that are available

Watercooling fluids are available in a variety of colors. So, before you go out and purchase a fluid, think about what color you want it to be.

I like the turquoise hue in a soft tubing system over anything else. You may, however, choose any of them based on your preferences.

Concentrated or pre-mixed solution?

Concentrated and premixed cooling solutions are available. Distilled water is already added to the solution in premix form, so you don’t need to add any more.

In concentrated versions, however, you must precisely measure the quantity of distilled water and then combine it with the solution.

Because distilled water is expensive and difficult to come by in certain places, I prefer to use the premix.

Volume of Fluid

How much you need to feed into the system depends on your cooling loop. Cooling fluids are available in a variety of sizes. It will be a total waste if you have any extra liquid.

In most situations, you don’t want to be aware of a lack of fluids. Do you think so?

As a result, before purchasing one, it is essential to inquire about the quantity of fluid.


Is it necessary to add distill water to water cooling liquids?

Answer: If it’s a concentrated solution, you’ll need to add some distill water. If the cooled liquid solution is premixed, distill water is already present in the solution.

What happens if any of the water cooling fluid escapes through the tubes?

Because the fluid is a chemical, it may corrode other components of your PC, your whole watercooling setup will be ruined.

Last Thoughts

Water cooling coolants that are naturally biodegradable and include anti-corrosive and anti-bacterial ingredients are the best.

It should, nevertheless, be attractive as well as constant enough to assist the pump in the flow.

Overall, Mayhem’s Pastel is the best of the bunch, yet it’s also the most difficult.

Please let us know in the comments if you believe any alternative cooling fluid would suffice for the construction.

In this article, I will explain why the number one Coolant option for your Water-Cooling Gaming PC is Evaporite. The reason I use Evaporite is three fold: 1. It cost me nothing 2. It will last you a very long time and 3. It is easy to apply, and if you have no experience at all it is very simple to get a perfect coat on your radiator in less than 10 minutes.. Read more about best liquid for liquid cooling pc and let us know what you think.

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Frequently Asked Questions

What is the best coolant for PC water cooling?

The best coolant for PC water cooling is distilled water.

What is the best water cooling system for PC 2021?

The best water cooling system for PC 2021 is the Corsair Hydro H100i GTX. It has a lot of features that make it stand out, such as its RGB lighting and the fact that it comes with an LED-lit pump head.

What liquid do you use for liquid cooled PC?

I use distilled water.


Holly is the smartest person you will ever know (Or so she tells us lol). She's a gamer by heart, and an author by soul. Writing for the website g15tools is a dream come true for her - she loves being able to share her thoughts and insights with others who love gaming as much as she does. When she's not writing or gaming, Holly can be found spending time with her friends and family.