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

Staff Profile: Jason Cust - Delivering Clarity and Consistency in Regulatory Compliance

As a Technical Specialist in the Inspection & Certification team, Jason Cust has a background in microbiology, quality systems, and regulatory compliance. Working across the dairy and animal products industries, Jason's role involves verifying compliance with the Animal Products Act and supporting safe production.
  26 Apr 2026

ANZAC Hours 2026

A reminder that several of our laboratories will be closed over the upcoming ANZAC holiday. The following labs will be closed on Saturday 25th April and Monday 27th April. READ MORE.
  22 Apr 2026

Staff Profile: Samuel Brooks - Building High Performing Teams to Help Protect Public Health

Samuel Brooks leads the team at Hill Labs Inspection & Certification, working alongside specialists who help organisations meet regulatory requirements and protect public health across New Zealand. He enjoys building strong, high‑performing teams, growing the business in a sustainable way, and playing his part in protecting New Zealand’s reputation with trading partners around the world.
  15 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.