DEIONISED WATER FOR LAB USE: Deionised Water can be used for lab applications. This is because accurate test results can be obtained due to knowing the purity of the water. ADD TO SCREENWASH FOR CRYSTAL CLEAR CAR WINDOWS: Deionised Water works wonders on windows and can be used to dilute Antifreeze or a windscreen wiper fluid, as it reduces build-up in mineral deposits that often sits on windscreens with standard screen washes.
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