Calcium Oxide

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Chemical
Calcium Oxide
Common Name(s): Quick Lime
Molecular Formula: CaO
Used For: Substitute for calcium hydroxide

Maintaining calcium and alkalinity

Killing Aiptasia sp.

Caution: Corrosive

Don't inhale dust

Avoid skin and eye contact

Material Safety Data Sheet: Calcium oxide


Introduction

Calcium oxide (molecular formula = CaO) can be used as a substitute for calcium hydroxide to maintain calcium and alkalinity levels. It should be handled with care as it has a high pH, 12-13 depending on the concentration, and therefore can cause damage to you. In particular, care should be taken not to inhale the powder which can easily become suspended in the air.

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