Natural Dye Workshop with Michel Garcia and Sustainable Dye Practice

A film series and discussion forum dedicated to the science and practice of natural dyes and pigments using sustainable methods.

Lime from Builders’ Supply or DIY

Lime is a general term for calcium-containing inorganic materials, in which carbonates, oxides and hydroxides predominate. The rocks and minerals from which these materials are derived, typically limestone or chalk, are composed primarily of calcium carbonate. “Burning” (calcination) converts them into the highly caustic material quicklime (calcium oxide, CaO) and, through subsequent addition of water, into the less caustic (but still strongly alkaline) slaked lime or hydrated lime (calcium hydroxide, Ca(OH)2), the process of which is called slaking of lime.

Lime or Calcium hydroxide, Ca(OH)2 can be purchased from builders’ supply or chemical supply or simply make it yourself by baking/burning shells after you ate the shell fish at around 1000C for 20 minutes and pounding it finely.


3 comments on “Lime from Builders’ Supply or DIY

  1. Dustin
    December 9, 2011

    1000°C seems awfully hot; much hotter than a typical barbecue or oven. Do you mean 100°C, which is 212°F?

  2. Jane Woodhouse
    February 1, 2012

    I too am curious about the lime. Living in a rural agricultural area you see a variety of limes at the farm or building store. There is one called “shell” lime which is suppose to be “Lime obtained by burning the shells of oysters, clams, or mussels; once used in making lime mortar, particularly where limestone was not available for this purpose.

    Read more:

    But I also hear everyone talking about calcium hydroxide or slack lime which is a different compound formula.

    Are they interchangeable?

  3. Builders books
    February 17, 2012

    Sometimes, the particular preconception which negotiating with a designer holds by it is one of becoming resilient as well as indifferent. It is really quite the opposite in most cases. Settling …Metal beam RSJ installation

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s


This entry was posted on August 17, 2011 by .
%d bloggers like this: