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itemId=uj2298-swiftech-hydrx-coolant-2-oz|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Swiftech HydrX Corrosion and Algae Inhibitor - 2 oz - Green|~|brand=Swiftech|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=9.98|~|priceReg=15.99|~|priceSale=9.98|~|image=https://s.yimg.com/aah/outletpc/swiftech-hydrx-coolant-2-oz-green-21.jpg
itemId=af4521-mayhems-non-stain-dye-blue-15ml|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems Non Stain Blue Dye 15ml|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=11.98|~|priceReg=16.41|~|priceSale=11.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-non-stain-blue-dye-15ml-38.jpg
itemId=rp3416-mayhems-dye-deep-red-15ml|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems 15ml Water Cooling Dye - Deep Red|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=11.98|~|priceReg=16.41|~|priceSale=11.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-dye-15ml-deep-red-88.jpg
itemId=xc2211-mayhems-xt-1-coolant-red|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems XT-1Coolant Concentrate Red 150ml|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=10.98|~|priceReg=17.78|~|priceSale=10.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-xt-1coolant-concentrate-red-150ml-71.jpg
itemId=pm6816-mayhems-dye-15ml-clear-uv-blue|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems Dye 15ml Clear UV Blue|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=13.98|~|priceReg=19.41|~|priceSale=13.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-dye-15ml-clear-uv-blue-95.jpg
itemId=xb4829-swiftech-hydrx-pm-coolant|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Swiftech HydrX PM UV-Reactive Pre-Mixed Coolant - Green|~|brand=Swiftech|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=14.98|~|priceReg=19.89|~|priceSale=14.98|~|image=https://s.yimg.com/aah/outletpc/swiftech-hydrx-pm-coolant-56.jpg
  • Corrosion Inhibitor, Algaecide, Maximum heat transfer, No Anti-Freeze Protection
$19.89
$14.98
itemId=bh1897-mayhems-xt-1-coolant-blue|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems XT-1 Coolant Concentrate Blue 150ml|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=15.98|~|priceReg=21.99|~|priceSale=15.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-xt-1-coolant-concentrate-blue-150ml-69.jpg
itemId=zb6525-mayhems-xt-1-coolant-green|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems XT-1 Coolant Concentrate Green 150ml|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=12.98|~|priceReg=21.99|~|priceSale=12.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-xt-1-coolant-concentrate-green-150ml-64.jpg
itemId=wf8572-mayhems-x1-coolant-uv-red-1l|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems X1 Coolant Premix UV Red 1 Liter|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=18.98|~|priceReg=23.99|~|priceSale=18.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-x1-coolant-premix-uv-red-1-liter-97.jpg
itemId=fg7351-ecx-ultra-concentrate-coolant-orange-uv|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=ECX Ultra Concentrate Coolant Orange UV|~|brand=XSPC|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=14.59|~|priceReg=26.98|~|priceSale=14.59|~|image=https://s.yimg.com/aah/outletpc/ecx-ultra-concentrate-coolant-orange-uv-52.jpg
itemId=su1232-mayhems-aurora-coolant-nebula-250ml|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems Aurora 2 Coolant Concentrate Blue 250mL|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=21.98|~|priceReg=27.62|~|priceSale=21.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-aurora-2-coolant-concentrate-blue-250ml-10.jpg
itemId=va7887-mayhems-aurora-tharsis-red-concentrate|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems Aurora Coolant Concentrate Tharsis Red 250ml|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=18.98|~|priceReg=27.62|~|priceSale=18.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-aurora-coolant-concentrate-tharsis-red-250ml-97.jpg
  • Can be used with all of Mayhems Dyes to make your very own colors
  • Blended with Non-Toxic Corrosion & Scale Inhibitors for protection of *Copper, Brass, Steel, Nickel and Aluminium Proven to ASTM D3306 and BS6580 standards
  • -35c freezing point
  • Can be stored for up to 3 years (if stored in a cool dry environment)
$27.62
$18.98
itemId=kh9241-mayhems-x1-blooed-red|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems X1 Coolant Concentrate Blood Red 250ml|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=18.98|~|priceReg=29.62|~|priceSale=18.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-x1-coolant-concentrate-blood-red-250ml-111.jpg
itemId=qm7789|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems Pastel Coolant - 1 Liter - Pure Black MPBK1L|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=23.98|~|priceReg=29.89|~|priceSale=23.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-pastel-coolant-1-liter-pure-black-mpbk1l-2.jpg
itemId=sr8867-mayhems-aurora-2-premix-nebula-blue-1l|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems Aurora Coolant Premix Blue 1L|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=18.98|~|priceReg=31.19|~|priceSale=18.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-aurora-coolant-premix-blue-1l-7.jpg
itemId=ts2613-mayhems-pastel-uv-white-premix|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems Pastel Coolant Premix UV White 1 Liter|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=20.98|~|priceReg=31.99|~|priceSale=20.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-pastel-coolant-premix-uv-white-1-liter-77.jpg
  • Can be used with all of Mayhems Dyes to make your own colours
  • Blended with Non-Toxic Corrosion & Scale Inhibitors for protection of Copper, Brass, Steel, Nickel and Aluminium Proven to ASTM D3306 and BS6580 standards
  • Very low oral toxicity, less than propylene glycol
  • Mobilises to prevent scale or sludge filming
  • Boiling Point : up to 95° C (pressure dependent)
$31.99
$20.98
itemId=bk9868-ekcryofuel-lime-yellow-premix-900-ml|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=EK-CryoFuel Lime Yellow Premix 900 mL|~|brand=EK Water Blocks|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=24.89|~|priceReg=32.98|~|priceSale=24.89|~|image=https://s.yimg.com/aah/outletpc/ek-cryofuel-lime-yellow-premix-900-ml-173.jpg
  • Low electrical conductivity
  • Biological growth inhibition
  • Corrosion protection according to BS5117 (ASTM D1384) standards
  • High quality concentrated pigments for intense, vivid and saturated colors
  • Compatible with Acrylic, PETG, POM Acetal, rubber (NBR, EPDM, and Norprene) materials
$32.98
$24.89
itemId=vd8437-mayhems-x1-uv-green|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems Pastel V2 - Green 250ml|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=22.98|~|priceReg=34.45|~|priceSale=22.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-x1-coolant-concentrate-uv-green-250ml-111.jpg
  • Can be used with all of Mayhems Dyes to make your own colours
  • Premixed in a variety of colours
  • Blended with inhibitors for protection of Copper, Brass, Steel, Nickel and Aluminum.
  • Contains biocides to prevent growth of living organisms
$34.45
$22.98
itemId=ia8563-mayhems-aurora-2-premix-tharsis-red|~|priceRange=1|~|orderable=T|~|orderCount=|~|call-to-order=|~|call-for-price=|~|hasOptions=T|~|isOrganic=F|~|isNew=F|~|bestseller=|~|name=Mayhems Aurora 2 Coolant Premix 1 Liter - Red|~|brand=Mayhems|~|cpuBrand=|~|ramIncluded=|~|type=|~|rating=0|~|ratingCount=0|~|price=24.98|~|priceReg=37.78|~|priceSale=24.98|~|image=https://s.yimg.com/aah/outletpc/mayhems-aurora-coolant-premix-tharsis-red-99.jpg






Best Selling Coolant and Dye

  1. Swiftech HydrX PM UV-Reactive Pre-Mixed Coolant - Green
Browse our PC liquid coolant and dyes at affordable prices. PC Coolant acts as the bloodstream of your water cooled computer by transferring heat to the radiator for cooling. There are many different coolants with varying properties such as dyes or additives which can slightly improve heat transfer. Dyes provide the perfect solution for those looking to match the color scheme of their build. Whether you're looking for a simple color to match your PC case's accents or dyes that glow we are sure to have something for you.

FAQ & Section Info

What liquid should I use in my system?



What liquid to use as a base for your system is an important decision to make. In theory you could use just about any liquid but some yield better results than others. Whatever you choose do not use tap water. Tap water is impure and contains many minerals and bacteria that will clog and corrode your expensive water cooling system which can lead to pump failure. A slightly better option is de-ionized water. De-ionized water is basically water that is non-conductive which can be beneficial for the first 24 hours of leak testing. Although non-conductive at first, over time when running in your loop the water will corrode your water blocks to gain it's ionic properties back. The best choice is distilled water due to it's price and purity. Since distilled water has most impurities removed you no longer have to worry about corrosion or agal blooms.

What additives should I use?



We recommend using water wetter for a boost in thermal capacitivity and reduced corrosion. We also recommend a silver kill coil or biocide for algae prevention. Silver by nature is an antimicrobial element. You may also add dyes for aesthetic purposes.

What type of fluid should I use for my build?

Most technicians use and recommend distilled water. Distilled water has all the impurities and minerals removed to give you long-lasting fluid that will protect your hardware from future issues. Avoid tap water and purified drinking water. Even still, with any form of water you want an anti algae additive to kill any possible growth. Something like PT nuke or Mayhems Extreme Biocide to pre treat the water with a few drops.