Compost and Media Testing

Compost and Media Testing

We have a range of tests to help you understand the status of composts, media and nutrient solutions. Choose from a range of suites designed to measure the nutrient status, pesticide residue levels, microbial counts or the heavy metal content.

Compost testing

Hill Labs offers a suite of different compost tests that allow you to assess organic matter, nutrient composition, mineral composition, as well as for contaminants such as heavy metals and pesticides.

Media testing

Soil-less growing media can be easily analysed using Hill Labs Basic Media Test. This test suite includes pH, Electrical Conductivity as well as mineral and nutrient analysis.

Nutrient solution testing

Ensuring your hydroponic growing system is delivering optimally is easy when you use Hill Labs Basic NFT Test. This test suite includes pH, Electrical Conductivity as well as mineral and nutrient analysis.

Organic certification of compost

Organic certification testing of compost to New Zealand's BioGro standards can be done easily and quickly using our organic certification test suite.

Contact us for more info

Latest Stories

Behind Every Tick: The Hill Labs Inspection & Certification Team

Operating at the intersection of regulation, people, and practical improvement, the Inspection & Certification team supports customers to meet today’s compliance requirements while building capability for the future, with trust, accountability, and collaboration at the heart of everything they do.
  09 Apr 2026

Media Release: Export growth, regulatory pressures drive expansion of inspection and certification services for Hill Labs

From 1 April 2026, the joint venture auditing and inspection services company formed by Hill Labs and auditing specialist, Samuel Brooks, will begin operating under a single, nationally recognised brand: Hill Labs. The joint venture, established in February 2025, remains a separate entity but will integrate its services with Hill Labs’ testing business.
  01 Apr 2026

Inspection & Certification Services Now Part of Hill Labs

In February 2025, we announced a 50:50 joint venture between Hill Labs and Sam Brooks, bringing Auditing Solutions and Food and Health Standards into shared ownership, followed in June by the acquisition of Food Safety Quality Solutions NZ (FSQSNZ). Building on this strong partnership, we’re pleased to let you know that from 1 April 2026, these joint venture services will operate under the Hill Labs name. 
  01 Apr 2026

What our customers have to say

"We've always found them to be responsive in getting results back and giving advice on problems we might be facing."

Andrew Hutchinson, Technical Manager, Turners & Growers

"We strongly recommend Hill Labs as a sound testing service provider to the honey industry."

Nick Walker, Technical Manager, Egmont Honey

"Their sample registration system has made things simple and seamless - collect, scan and send!"

Mathew Bannister, Compliance Manager, First Fresh New Zealand

Accreditations

As a New Zealand accredited laboratory by International Accreditation New Zealand (IANZ), Hill Labs' commitment to quality is tantamount to our overall operating philosophy. We pride ourselves on the quality of our work.