Both are purified, by different methods. Distillation boils water and condenses the steam, leaving dissolved solids behind. Deionisation strips the charged ions out through resin. DI comes out lower in conductivity, which is the number that matters in a loop where a leak meets live hardware.
· Base — DI Water
Base · Deionized water
Base — DI Water
High-purity, multi-filtered deionized water. The base for every concentrate.
BaseDI water, clear or dyed
InhibitorLiquid Utopia or True
CoolantProtected, ready to fill
Buy Base$11.99
12 colours7 of them UV reactive
32 ozHigh-purity, multi-filtered
DI, not distilledLower conductivity
Not a coolantNever run it alone
01
What it becomes
Deliberately incomplete. It is the other half of every concentrate.
With Liquid Utopia
A protected coolantDose-and-go protection, in whatever colour the Base is.
With True
A coloured coolantThe same idea, with colour on top.
On its own
An unprotected loopNo inhibitor, no biocide. It will grow something within weeks.
02
Pick a colour
Swipe to see all 12 colours →
- Clear
- Clear/UV Blue
- UV Blue
- Electric UV Blue
- Steel Blue
- UV Green
- UV Brite Green
- Yellow
- Red
- Blood Red
- UV Pink
- UV Purple
Swatches are on-screen approximations, not a physical colour sample.Switching colours later? Run a System Reboot first.
03
Get it in the loop in five steps
- 1
Prep the loop
SysPrep on a new build, Reboot on a refill, then PrimoPrep.
- 2
Pick your protection
Liquid Utopia, True, or a kill coil. One method, not two.
- 3
Mix to that ratio
Utopia: 15 ml per gallon. True: 8 oz per gallon.
- 4
Fill and bleed
Bleed for 24 hours with the pump running.
- 5
Keep a bottle for top-ups
Known purity for a show build, bottle to bottle.
04
What it goes into, and how a fill ages
✓Use with
- Liquid UtopiaClear, dose-and-go protection.
- True concentrateProtection plus colour.
- Clear, or one of 12 dyed coloursDyed versions can stain parts over time, like any dyed coolant.
✕Never with
- Running it on its ownUnprotected water grows something within weeks.
- A kill coil and an additive togetherEither approach works, just not both at once.
- AluminumGalvanic corrosion in a mixed-metal loop.
- 2yr
Unopened
Sealed bottle, from purchase.
- None
On its own
No service interval. It should never run alone.
- 12mo
Once mixed
The same clock as any daily driver.
- Top-ups
Best use
A known-purity bottle for show builds.
05
The full story
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