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

Connecting with Farmers and Growers at Fieldays

We are looking forward to our 28th year at Fieldays this year, connecting with farmers, growers and industry professionals from across New Zealand. Events like Fieldays are a great opportunity for our team to get out from behind the desk, hear directly from the sector, and continue building strong relationships within the agricultural community.
  21 May 2026

A Record-breaking Day for Kiwifruit Samples

Hill Labs is a key service provider to Zespri and the kiwifruit industry, providing time-critical sampling and maturity testing services seven days a week. Zespri has strict maturity criteria that all orchards must pass before harvest to ensure consumers receive the best quality kiwifruit expected from the Zespri brand.
  21 May 2026

Introducing Dairy Commodity Product Testing and MALDI-TOF Identification

Customer needs continue to evolve - particularly across dairy commodity testing and microbiological identification - and over the past year, these topics have become increasingly common in conversations with our clients. In response, we have expanded our laboratory scope to include ISO reference method testing for dairy commodity products, alongside the introduction of MALDI-TOF identification technology.
  21 May 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.