Mordant - Alum
Alum sulphate is the basic mordant required for fixing most natural dyes. Per 40g Alum (enough mordant for 500g of wool).
Shipping:
$7 postage flat rate (excluding international orders)
Allow 3-5 working days to NZ metro areas, or allow up to 7 working days to NZ rural postal areas.
We currently ship within NZ as well as internationally with a quote supplied for international postage.
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