Hydrated lime (Ca(OH)₂) raises pH in water treatment and process chemistry. Slurry settles – keep agitated. Wear PPE; lime is caustic to skin and eyes.

Steps

Add 50 g hydrated lime slowly to ~800 ml water with stirring (avoid dust).
Top up to 1 L; mix to a milky slurry.
Dose into the process stream while monitoring pH; remix slurry before each use.

Makes 1 L slurry Time 20 minutes Level Intermediate

Materials required

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Calcium Hydroxide 90-95% Hydrated Lime 50 g

₹300.00 · View →

Demineralised Water to 1 L

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Always read the SDS and follow our chemical safety guidance before handling any chemical.

Hydrated Lime pH Adjustment Slurry

Steps

Materials required

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