Applying a lime and sand plaster over dustcrete walls.
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Pool Trowel: https://amzn.to/3XTgeNK
Japanese Stainless Trowel: https://amzn.to/3H63P2R
Iron oxide pigment: https://amzn.to/3Fo2Rxu
Burnt Umber: https://amzn.to/3um7NwC