It is ultra pure, redistilled and deionized water for electronics. This water is of ultra high resistance and super low conductivity (below 0,1 μS). Recommended for dilution water based liquid concentrates for ultrasonic cleaners like our product Microsonic Clean PCB K2. It is ideal for flushing PCBs after cleaning in ultrasonic cleaner and for electronics cleaning after all kinds of watersoluble floods like juice, coffee, tea. It dissolves and elutes substances that cause oxidation (corrosion).It regenerates freshly flooded devices.