Distilled or reverse osmosis (RO) water

Distilled or reverse osmosis (RO) water

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Used to clean the probe on our pH meter using a laboratory wash bottle, and for calibrating our hydrometer.

Some brewers with very hard water will also use distilled or RO water to build up their own water from scratch. For more information see our Water Adjustment guide.

Want to make your own RO water? Use an RO filtration system.

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