Contact Known Matter
Product questions and support.
Choose the enquiry type and include the relevant product code, service or order number when available.
Send an enquiry
Email directly
For damaged deliveries, include the order number and clear photographs of the parcel and product where relevant.
Product and service information
For AquaTrace, product-use, preparation or technical questions, review the relevant product page and supporting guides first. If your question is not covered, send us an enquiry.
Postal location
Victoria, Australia. A return address or sample-return instructions will be provided where required; do not send products or samples without the applicable directions.