Oak Bark Powder

Oak Bark Powder

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  • Arrowroot


    …‘tanners bark’, to heat their glasshouses - a by-product of the leather tanning industry, made from powdered oak bark – instead…

    Starting at: £3.06

  • Oak bark Powder

    Oak bark Powder

    …The bark of the tree has high tannin content and was used as a tanning agent for leather. Dioscorides in the 1st century A.D. recommended oak bark for…

    Out of stock