LinR Posted June 15, 2016 Report Share Posted June 15, 2016 Does terra sig lose its effectiveness after a period of time? I was told not to use some terra sig made about a year ago, that it wasn't any good any more. Lin Link to comment Share on other sites More sharing options...
Magnolia Mud Research Posted June 15, 2016 Report Share Posted June 15, 2016 short answer: NO longer answer: nearly all solid suspensions in water eventually settle, so after a long time sitting still in a container, the TS may appear on the bottom as a sludge. But, it isn't that much of a worry. Shake well to breakup any clusters that have formed and use it. For some purposes, you might want to put the slurry through a fine screen to assist in clump breakup. I am using a batch made 10 years ago, and it works fine. If you want to store it, just let it dry out, and then store the powder until you need to make more slurry. Saves storage space. LT Link to comment Share on other sites More sharing options...
LinR Posted June 15, 2016 Author Report Share Posted June 15, 2016 Thanks for this information. Drying out the terra sig is a great idea as storage space is at a minimum. Lin Link to comment Share on other sites More sharing options...
PeterH Posted June 15, 2016 Report Share Posted June 15, 2016 If you have a slow-cooker it's very good at drying out t-sig. https://digitalfire.com/4sight/education/super-refined_terra_sigillata_274.html Search for Concentrating the Thin Sig by Evaporation & Concentrating the Thin Sig by Heat Link to comment Share on other sites More sharing options...
Marcia Selsor Posted June 15, 2016 Report Share Posted June 15, 2016 I have added water to dried up TS and used it with any problems. Marcia Link to comment Share on other sites More sharing options...
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