We have tested this product as replacement coolant in every leading manufacturers watercooling system with great results!
Do not mix colours in this coolant, if any extra UV additive needs to be added use Feser One or Feser View to keep conductivity levels down.
If used for long periods of time the UV properties of this coolant will naturally fade, you can use Feser View UV Dye to fix this.
Do not mix this coolant with any other aftermarket additives, this may compromise the non conductive formula.
Perfecting the way you cool your system, safely and paving the way to the future.
Do not mix different colour Feser One coolants together, chemical reactions can occur.
No other additives are needed, we have 4 anti corrosives inside!
Regular water changes are advised (maximum 1 year).
Depending on your hose size, type and wall thickness, Feser One may react differently under uv light in different cooling systems.


Contents: 1 liter
Non Conductive*
UV Reactive properties
Stable HDPE upright bottle
Conductivity < 10 µs/cm (20°c)
Dropper Cap - no funnel needed
Ready for use - no mixing needed
Corrosion protection for copper, brass,aluminum and nickel
Prevents algae growth within your water cooling system
Compatible with all available PC liquid-cooling systems
Unopened shelf life of 3 years maximum