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Our last day of testing for the year will be 22 December. The lab will start up again on 2 January 2024.

You can still place new orders and send us samples while we are on break, ready for when we reopen.

Contact us

Kao Castle B.Sc.(Hons.)(Advanced) PhD


Horses: kao[at]

Dogs: kao[at]

Goats: kao[at]

Postal address

40 Boronia St
Redfern NSW 2016


+61 410 492 005

Acknowledgement of country

We acknowledge Aboriginal and Torres Strait Islander peoples as the First Australians and traditional custodians of the lands where we live, learn and work. Sovereignty was never ceded.

The Gadigal people of the Eora nation are the traditional custodians of the land and waters here where our laboratory is, in Redfern, near the Sydney CBD. We recognise the continued connection of all the Eora clans to land and waters, and pay respect to their current and future elders.

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