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 Labs at Fieldays – A Look Through the Photo Album

The calendar is marked, and planning is well underway for the Southern Hemisphere’s largest agricultural event – Fieldays. This year marks Hill Labs' 27th year exhibiting at the event, a milestone that gives us a wonderful opportunity to flick through the archives and reflect on our journey and the various looks we've sported over the years.
  20 May 2025

Reflections from Peter Lord, COO

It’s just over two months into my new role at Hill Labs and a good opportunity to provide an update. I have a strong personal alignment with Hill Lab’s values, and they provide a good framework from which I can reflect on what I’ve seen and learned. One of those values is People & Environment . It’s the people that have impressed me the most at Hill Labs. Not just individual’s technical knowledge and understanding of our customers, but also the collective effort to make Hill Labs a great place to work..
  20 May 2025

Embracing the Unpredictability of Every Kiwifruit Season

It's now been five years since Hill Labs established a Bay of Plenty branch dedicated to serving the New Zealand kiwifruit industry. Our Bay of Plenty branch collects kiwifruit samples from across Auckland, Waikato, Coromandel, Bay of Plenty, and Whanganui. These samples undergo a range of maturity testing at our Tauranga lab, providing trusted results for Zespri, growers, and packhouses to make informed harvest decisions.
  20 May 2025

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.