Variation SKU Price Quantity Add To Cart
250g CaH0250 £2.00
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500g CaH0500 £3.00
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1kg CaH1000 £4.00
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2.5kg CaH2500 £7.50
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5kg CaH5000 £12.50
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Calcium hydroxide is suitable for a variety of uses including as a flucculant, building material, a pH adjuster and for aquariums to increase bio available Calcium (Kalkwasser)

Available with certificates of analysis and specifications for all your quality assurance needs.

If you dont see the packaging size you require please get in touch, we are able to supply all our products in any package size.

CAS Number


Einecs Number


% Active


Chemical Formula


Molecular Weight





Slaked Lime


Hydrated lime

Slack lime


Pickling lime

H315 – Causes skin irritation.
H335 – May cause respiratory irritation.
H318 – Causes serious eye damage.

P261 – Do not breath dust.
P280 – Wear protective gloves/ protective clothing/ eye protection.
P305+P351+P338 – IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

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