6 Best Alternatives to the EK-CryoFuel Clear Concentrate (100mL, (2026)

Comparing EK CryoFuel Alternatives

EK EK-CryoFuel Clear Concentrate Coolant, 100mL

This single 100mL bottle serves the same purpose as the two-pack but offers less total fluid. You get one unit instead of two, which changes the value proposition for small loop builders. The clear concentrate allows precise mixing control, just like the original. However, the single pack limits your ability to mix multiple batches or larger volumes without buying again. It suits those who only need a small amount for a single build. The model number differs slightly, indicating a different packaging configuration. Choose this if you strictly need one bottle for a minimal loop.

Alphacool Eisdecke D5 Plexi Pump Top

This item is not a coolant but a pump top. It differs fundamentally from the concentrate by providing hardware rather than fluid. The acrylic construction offers clear visibility for your D5 pump, enhancing aesthetics. It does not cool your system or mix with pigments. Instead, it houses the pump and allows you to see the fluid level and flow. This suits builders who already have coolant and need to upgrade their pump visibility. The dimensions are fixed for D5 compatibility. You cannot use this to fill your loop. It is a structural component for your custom loop design, not a thermal transfer medium.

Mayhems XT1 Concentrate 250 ml

Mayhems XT1 provides 250ml of concentrate, which is significantly more than the 100ml original. This larger volume allows you to mix more coolant or refill larger loops without running out. The clear color matches the original aesthetic. It offers corrosion protection and a long operational lifetime. You give up the specific EKWB brand ecosystem for Mayhems chemistry. This choice suits builders who need bulk concentrate for extensive builds. The packaging dimensions indicate a standard bottle size. It is ideal if you plan to mix your own clear coolant in larger quantities than the original pack provides.

Mayhems X1 Concentrate 250ml Clear

This Mayhems X1 concentrate also comes in a 250ml bottle, offering more fluid than the 100ml EKWB option. It is a clear concentrate suitable for mixing your own coolant. The focus here is on biodegradability and corrosion protection. You get a larger volume for mixing, which is practical for bigger loops. The original EKWB concentrate is also biodegradable, but this offers more quantity. It suits builders who prioritize eco-friendly fluids and need extra volume. The model number identifies this specific clear variant. Choose this if you want a larger supply of biodegradable concentrate for your custom loop.

EK CryoFuel Clear 2L Premix and Superflush Combo

This combo includes 2L of premixed coolant and a flush solution. It differs from the concentrate by offering immediate use without mixing. You get a complete flush and refill kit. The original requires you to mix pigments and dilute the concentrate. This option saves time and ensures consistent color saturation. It suits builders who want convenience and a large volume of ready-to-use fluid. The 2L premix covers larger loops. The Superflush component handles cleaning. You give up the control over exact pigment concentration found in the concentrate. This is best for those prioritizing ease of installation.

EK CryoFuel Clear 200ml Concentrate and Flush Kit

This kit includes 200ml of concentrate and a flush solution. It offers more fluid than the 100ml original pack but less than the 2L premix. You get a cleaning step and a moderate amount of coolant. The concentrate allows you to mix your own clear fluid. The flush ensures your loop is clean before refilling. This suits builders who want to clean and refill in one purchase. It fits loops that require compatible plastics and rubbers. The model number identifies this specific bundle. You gain the convenience of a flush kit with enough concentrate for a moderate-sized loop. It is a practical middle ground between pure concentrate and large premix kits.

Quick picks

Our 7 picks

1 Best overall

EK EK-CryoFuel Clear Concentrate (100mL, 2-Pack)

Best for: Custom color mixing and small loops

Coolant Type

Clear

Coolant Volume

100ml

View on Amazon: EK EK-CryoFuel Clear Concentrate (100mL, 2-Pack) Affiliate link

This is a 100 mL pack of EKWB CryoFuel Clear concentrate. You mix it with a base to create a vivid coolant. The formula is thermal efficient and non-toxic. It has low electrical conductivity for safety. The pigments are 90% biodegradable. This kit suits you if you want intense color control and eco-friendly materials in your loop.

Pros

• Contains high-quality concentrated pigments for vivid colors
• Low electrical conductivity for safety
• 90% biodegradable in 10 days
• Compatible with acrylic, PeTG, and POM materials

Cons

• 100 mL volume is small for large loops
• Requires purchase of a separate coolant base
• Sold as a 2-pack of concentrate only

Good fit if

• You want to mix your own custom color intensity
• You prioritize eco-friendly biodegradable materials
• You have a small loop that needs precise mixing

Skip if

• You want a ready-to-use premixed coolant
• You need a large volume for a big system
• You prefer a single bottle purchase

Verdict: EKWB CryoFuel Clear Concentrate 100mL is ideal for builders who want to control color saturation and use biodegradable components. It fits those building small loops who do not mind mixing their own coolant.

2 Best budget

EK EK-CryoFuel Clear Concentrate Coolant, 100mL

Best for: small loop builders who mix coolant

Coolant Type

Clear

Coolant Volume

100ml

Weight

3.53 ounces

View on Amazon: EK EK-CryoFuel Clear Concentrate Coolant, 100mL Affiliate link

This 100mL concentrate lets you mix your own clear coolant. It uses high-quality pigments for a vivid look. The formula is thermal efficient and non-toxic. It has low electrical conductivity for safety. It works with acrylic, PETG, POM, and rubber parts. The mix is eco-friendly and biodegradable. You get a small bottle for precise mixing.

Pros

• High-quality concentrated pigments for vivid color
• Low electrical conductivity for safety
• Compatible with acrylic, PETG, and POM
• 90% biodegradable in 10 days

Cons

• Small 100mL volume limits loop size
• Requires mixing with distilled water
• Not a premixed ready-to-use fluid

Good fit if

• You want to control coolant concentration
• You need a small test batch
• You prefer eco-friendly biodegradable formulas

Skip if

• You want a ready-to-use premix
• You need to fill a large loop
• You prefer buying in bulk 2L sizes

Verdict: EKWB CryoFuel Clear Concentrate 100mL is a precise mixing tool for small loops. It fits builders who want control over coolant strength and volume.

3 Also great

Alphacool Eisdecke D5 Plexi Pump Top

Best for: D5 pump visibility

Material

Plexi (acrylic)

Thread Size

G1/4

Radiator Size

40mm

Pump Compatibility

D5

Coolant Color

Clear

Dimensions

3.15 × 3.15 × 1.57 inches

View on Amazon: Alphacool Eisdecke D5 Plexi Pump Top Affiliate link

This is a clear acrylic pump top designed for the D5 pump. It features five G1/4 inch ports for tubing connections. The unit includes three G1/4 inch plugs for unused ports. Dimensions with stands are 83 by 80 by 87 mm. It weighs 0.44 kilograms. You should use this if you want a transparent look for your loop.

Pros

• Made from clear acrylic material
• Includes five G1/4 inch ports
• Comes with three G1/4 inch plugs
• Designed specifically for D5 pumps

Cons

• Pump is not included in the package
• Uses acrylic which may scratch easier than glass
• Limited to single pump configuration

Good fit if

• You are building a custom loop with a D5 pump
• You want to see coolant flow clearly
• You need multiple connection points on the pump

Skip if

• You already have a pump top installed
• You prefer opaque components for aesthetics
• You are using a pump with a different footprint

Verdict: Alphacool D5 Pump Top V.3 provides clear visibility for your D5 pump setup. It fits builders who prioritize transparency and flexible port options.

4 Also great

Mayhems XT1 Concentrate 250 ml

Best for: mixing your own clear coolant

Coolant Type

Clear

Coolant Volume

250ml

Dimensions

2.24 × 2.24 × 5.59 inches

Weight

10.2 ounces

View on Amazon: Mayhems XT1 Concentrate 250 ml Affiliate link

This is Mayhems XT1, a 250 ml concentrate coolant in Ice Crystal Clear. It is designed to protect components from corrosion and scale build up. The formula aims to prolong the life of your liquid cooling computer components. It offers a long operational lifetime with good thermal performance. You get a smaller 250 ml volume compared to the 100 ml EKWB bottles on this list, but with more total fluid for mixing.

Pros

• 250 ml concentrate volume
• Ice Crystal Clear color
• Corrosion and scale protection
• Long operational lifetime

Cons

• Smaller 250 ml bottle than typical 100 ml concentrates
• Concentrate requires mixing
• Limited color options in this size

Good fit if

• You want a clear concentrate with a longer operational lifetime
• You need 250 ml of fluid for mixing
• You prioritize corrosion protection

Skip if

• You prefer premixed coolants
• You need a 2L premix option
• You want a 100 ml EKWB bottle

Verdict: Mayhems XT1 250ml Clear Concentrate is a practical option for builders who need a larger volume of concentrate for mixing their own coolant. It suits those who value long operational lifetime and corrosion protection over the convenience of premixed fluids.

5 Also great

Mayhems X1 Concentrate 250ml Clear

Best for: Biodegradable clear concentrate loops

Coolant Type

Clear

Coolant Volume

250ml

Dimensions

2.24 × 2.24 × 5.59 inches

Weight

10.2 ounces

View on Amazon: Mayhems X1 Concentrate 250ml Clear Affiliate link

This 250 ml bottle of Mayhems X1 concentrate is an Ice Crystal Clear fluid designed for water-cooled systems. It uses a proprietary blend of refined vegetable extracts that are fully biodegradable. The formula aims to protect components from corrosion and scale build up while offering good thermal performance. You get a smaller volume than the 100 ml concentrates listed above, but the eco-friendly base is a distinct feature for your loop.

Pros

• 250 ml concentrate volume
• Ice Crystal Clear color
• Biodegradable vegetable extract base
• Corrosion protection formula

Cons

• Smaller 250 ml bottle size
• No premixed option available
• Limited color choices in this variant

Good fit if

• You want a biodegradable coolant base
• You need a 250 ml concentrate size
• You prefer clear fluid for your loop

Skip if

• You need a 2L premix bottle
• You want a colored coolant
• You prefer EKWB brand exclusively

Verdict: Mayhems X1 Ice Crystal Clear Concentrate is a solid choice for builders who prioritize biodegradable fluids and corrosion protection. It suits you if you want a clear concentrate in a 250 ml bottle.

6 Best premium

EK CryoFuel Clear 2L Premix and Superflush Combo

Best for: complete loop flush and refill kits

Coolant Type

Clear Premix

View on Amazon: EK CryoFuel Clear 2L Premix and Superflush Combo Affiliate link

This kit includes 2 liters of premix coolant and 1 liter of Superflush concentrate. It allows you to flush manufacturing residues and refill your loop in one step. The formula is thermal efficient and non-toxic. It works with acrylic, PETG, POM acetal, and rubber materials. You get a clear liquid that fits standard PC cooling builds.

Pros

• Includes 2 liters of premix coolant
• Contains 1 liter of Superflush concentrate
• Compatible with acrylic and PETG materials
• Thermal efficient and non-toxic formula

Cons

• Only includes 1 liter of Superflush concentrate
• Premix coolant is not a concentrate
• No information on flow rate performance

Good fit if

• You need a complete flush and refill kit
• You prefer premix coolant for simplicity
• You have acrylic or PETG components

Skip if

• You only want concentrate for custom mixing
• You need more than 2 liters of coolant
• You require a larger volume of flush solution

Verdict: EKWB CryoFuel Clear Premix + Superflush Combo is a complete solution for flushing and refilling. It suits builders who want premix ease and a dedicated flush step.

7 Best 200ml

EK CryoFuel Clear 200ml Concentrate and Flush Kit

Best for: Cleaning and refilling loops with compatible materials

Coolant Type

clear

Reservoir Capacity

200ml

View on Amazon: EK CryoFuel Clear 200ml Concentrate and Flush Kit Affiliate link

This kit provides a 200ml concentrate of clear EK-CryoFuel coolant alongside a Superflush solution for loop cleaning. It is designed to flush manufacturing residues and prepare your system for new fluid. The concentrate is compatible with acrylic, PETG, POM acetal, and rubber materials like NBR, EPDM, and Norprene. This bundle suits you if you want a complete cleaning and refilling solution in one package rather than buying separate items.

Pros

• Includes 200ml of clear concentrate coolant
• Contains Superflush solution for loop cleaning
• Compatible with acrylic, PETG, and POM acetal
• Works with NBR, EPDM, and Norprene rubber

Cons

• Smaller 200ml volume compared to 250ml or 2L alternatives
• Requires purchasing a separate reservoir or loop setup
• Does not include a pump top or fittings

Good fit if

• You need a complete cleaning and refilling kit
• You prefer a 200ml concentrate size
• You use acrylic or PETG tubing

Skip if

• You want a pre-mixed coolant ready to pour
• You need a larger 2L volume for big loops
• You are looking for a pump top component

Verdict: EK CryoFuel 200ml Concentrate + Superflush Combo is a practical bundle for users who want to clean and refill their loop with a single purchase. It fits builders using compatible plastics and rubbers who need a moderate fluid volume.

Specifications side by side

Frequently asked questions

See also

• intex krystal clear 3 alternatives
• fjiastb clear case viwoods aipaper alternatives