AIUI for sculpture and for small-scale work some art people add plasticisers and/or strengthening materials (fibres etc.), which allow you to use less water and get finer surface detail, but for planters etc. standard mixes are fine.
Cool, that's good to know!
@ACRe19 started
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AIUI for sculpture and for small-scale work some art people add plasticisers and/or strengthening materials (fibres etc.), which allow you to use less water and get finer surface detail, but for planters etc. standard mixes are fine.