Calcium Hydroxide

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Calcium Hydroxide is in a powder form and is produced when quicklime is mixed or with water. When the acidity of the soil is too much, plants can't get the nutrients they need. Liming the soil decreases the acidity by increasing the pH level.


Storage - Store in a cool, dry, well-ventilated area.

Download the MSDS HERE.

Download the COSHH statement HERE.

Download the Product Specification HERE

500 G

Packaging- UN approved fluorinated bottle

Dimensions - 90mmx125mm

Material - High density polyethylene

Decrease acidity

Hydrated lime also known as calcium hydroxide, should be applied by mixing thoroughly with the top-soil layers. Reduce the acidity of the soil by increasing the pH level, plants will not get nutrients from acidic soils, aluminium can be toxic in acid soils. It is important to not dig the soil whilst applying the product.

Plant diseases

Combine with copper sulfate( also available on Direct Chems) with calcium hydroxide to neutralize the acidity in the copper, it can also be effective against diseases caused by fungi -powdery mildew, downy mildew and by bacteria-fire blight, leaf spot.

Add 2 tsp of calcium hydroxide into 500ml water and spray it onto your plant

Click HERE to watch the tutorial

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