Mmplin Posted September 1, 2020 Report Share Posted September 1, 2020 Hello! I am trying to figure out a way to add small speckles, almost like TV static, to my unglazed slipcastings. Here are a couple images I found that show the effect I'm trying to learn: Thanks so much for any help! Link to comment Share on other sites More sharing options...
Min Posted September 1, 2020 Report Share Posted September 1, 2020 Are you making your own slip or using commercial slip? Link to comment Share on other sites More sharing options...
Mmplin Posted September 1, 2020 Author Report Share Posted September 1, 2020 I've been using a commercial slip but will be adding mason stain so it's colored Link to comment Share on other sites More sharing options...
Min Posted September 1, 2020 Report Share Posted September 1, 2020 If you don't have the option to purchase a speckled slip then I would try adding up to 0.25% (that's zero point two five) of 60-80 mesh granular manganese. edit: I would guesstimate the amount of water in the casting slip as 35% of the weight of the slip and run some tests with up to 0.25% of the granular manganese based on that weight. Link to comment Share on other sites More sharing options...
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