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

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Agriculture in New Zealand is fundamentally rooted in the soil beneath our feet, with soil health being critical to the success of farmers and the broader agricultural sector. Soil is the most valuable asset of a farming operation however; soil health remains difficult to assess and measure.    
  19 Aug 2025

Hill News August 2025 - Update From Our MD, Dr Jonno Hill

We turned 40 as a business last year, and thankfully, there is no sign of a midlife crisis yet. We are fortunate to remain firmly in growth mode, despite some of the economic headwinds the country has been facing lately. Described below are some of the new services we are now offering; some we have developed ourselves from scratch, and others we have acquired.
  18 Aug 2025

New Service Announcement: Environmental DNA (eDNA) Water Testing

Hill Labs is excited to announce the launch of our Environmental DNA (eDNA) Water Testing service. This service enables the detection of organisms in aquatic environments through the analysis of trace DNA found in water samples.
  12 Aug 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.