Grodan Products

Grodan’s range of Rockwool cubes and slabs are trusted by growers across the globe. They are the world’s leading Rockwool manufacturer and have been developing Rockwool products since the 1960s, supplying growers in over 60 countries. Grodan now holds both the prestigious KIWA Dutch quality award and the European Eco-Label award, so you can be assured of exceptional quality in every batch. Don’t risk your customers’ yields by selling them a poor substitute.

Grodan Rockwool cubes are perfect for growing both cuttings and seedling plants, and they also manufacture larger transplanting cubes for when the roots of your seedlings begin to show through the smaller ones. If you need clean, light and easy to handle Rockwool slabs and cubes, Hydro Experts only recommends Grodan: the premier Rockwool brand.

Hydro Experts has the best range with the lowest prices on all products. Visit in-store or order online at and get free delivery over $499. Only at HYDRO EXPERTS!

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Growool makes water-absorbent rockwool made in Australia and is used as a soilless growing medium. Growool consists of a mat of long, fine fibers, spun from natural molten rock. This mat is cut and shaped by Growool Horticultural Systems into the individual Growool products. When using the Growool system there is potential for greater control over plant growth and yield. These potential advantages are only released with very good management and attention to detail. Soilless systems do not guarantee success. They require better management than soil-based systems. We, at H ...

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Author:   Date Posted: 22 October 2018  

Q. I already use Trichoderma. Are mycorrhizal fungi any different? Both are beneficial fungi found naturally in soil. Trichoderma are more for cycling nutrients in the soil and providing protection against soil pests (but you will seldom find it labeled as a pest control) while mycorrhizal fungi help more with nutrient and water uptake and increased root growth. Both combined will prom ...