01

Rooted in science

A uniform growing medium – thanks to a perfectly controlled manufacturing process. This makes the quality and properties of Grodan stone wool and this leads to precise plant behaviour thanks to an excellent root zone management.

02

Efficient

Water saving properties – we are all aware that fresh water is a precious resource. Stone wool is an inert medium and the water including nutrient solution that it holds is in its entirety available to the plants.

03

Soilless

A bountiful natural resource – Every year the earth produces 38,000 times more basalt than we use to produce stone wool. Respect for biodiversity – At a time when biodiversity is under threat, we are proud to be contributing to the safeguarding of our ecosystems.

04

Reliable

Food safety compliant – food safety has never been this crucial in today’s world.

05

Recyclable

100% recyclable - after the growing cycle is complete, stone wool is recyclable in more and more places around the world.

06

Data driven & Steerable

Maximise your crop’s potential with data-driven cultivation. Grodan stone wool growing media are paired with sensors, a software platform and crop-specific advice, enabling precision growing. The GroSens sensors enable 24/7 real-time insight into the WC, EC and temperature of the stone wool growing media. Connect our e-Gro platform with the GroSens sensors to support your knowledge, experience and growing strategy with real-time insights and smart recommendations based on the root zone, climate, crop and harvest data.There’s a reason stone wool is the preferred choice as growing media, thanks to its compatibility with both soil-based and hydroponic cultivation systems for irrigation, lighting, automated nutrient delivery and other top precision growing techniques

07

Flexible & Lightweight

A key value for Grodan is our delivery security and reliability. We can produce and deliver our high quality stone wool products in large and small quantities year-round, matching the wishes and needs of our customers. Stone wool is 1/10 of the weight of a bag of potting soil

Stone and the cultivation of plants go perfectly hand in hand. Transforming and utilising an abundant natural resource to benefit humanity is something we find rather magical and exciting. With Grodan stone wool growing media growers cultivate fresh produce that contribute to the health of consumers around the world. What is it that makes stone wool so special?

Seven Strengths/7 of Stone, Logo, Campaign, 7SS

In our brochure ‘7 strengths of stone wool growing media’ we explain why stone wool is perfectly suited for growing healthy and fresh food efficiently and sustainably. And with that the growing media to feed a growing population. Each strength is explained and enriched with links to other publications. In that way you can read much more on topics related to this story.

In this journey we take you by the hand and enlighten you on 7 strengths of stone wool growing. Which are these?

  • A uniform growing medium – thanks to a perfectly controlled manufacturing process. This makes the quality and properties of Grodan stone wool and this leads to precise plant behaviour thanks to an excellent root zone management
  • Water saving properties – we are all aware that water is a precious source. Stone wool is an inert medium and the water including nutrient solution that it holds is in its entirety available to the plants.
  • Respect for biodiversity – At a time when biodiversity is under threat, we are proud to be contributing to the safeguarding of our ecosystems
  • A bountiful natural resource – Every year the earth produces 38,000 times more basalt than ROCKWOOL uses to produce stone
  • Transparency and proximity – Grodan factories operate in accordance with the highly stringent European regulations for working conditions and product quality
  • Food safety compliant – food safety has never been this crucial in today’s world. Renowned institutes ensure that our products do not pose any threats to either humans

We believe we inspired you to read further and to discover much more on the seven strengths of our stone wool growing media. In case you have any questions, do not hesitate to contact us.

By significantly increasing yields per square meter, crops grown on stone wool growing media are a means of supporting the planet’s growing demand for food by using a smaller
surface area.

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