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

Hill News August 2026 - Update from our MD, Dr Jonno Hill

As I write this, we are finishing the clean up after a complex and high-stakes piece of work which was delivered over the weekend – an upgrade to the power supply at our largest lab, located in Hamilton. This has been months in the planning, and included a full power shut down to the site, with generators used to keep essential operations running until the power was restored.
  27 Aug 2026

From the Desk of Peter Lord – CEO

It has been a busy and productive year for Hill Labs, with several important milestones that reflect our ongoing commitment to supporting customers with reliable, responsive and innovative laboratory services. One of the highlights has been the successful establishment of our raw milk testing service from June. As the dairy season builds, sample numbers are now picking up, and it is encouraging to see this new capability already supporting the sector.
  27 Aug 2026

NZIFST – Looking to the Future!

Hill Labs was pleased to attend the New Zealand Institute of Food Science and Technology (NZIFST) Conference again this year - an event that brings together a diverse group, including students, scientists, food technologists and new product developers from across the food sector.  
  27 Aug 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.