Rockwool

Most popular hydroponics grow medium rockwool are derived from volcanic rock (basalt) melted back into lava and poured into spinner in a process similar to making cotton candy. Rockwool is clean media which has a perfect air-water ratio and comes in a ready to use cube format. Smaller rockwool cubes are used for germinating seeds for seedlings and larger cubes are used as primary growing medium for small plants. Rockwool has high ph, so it should be pH balanced before use.




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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 ...


Author: MaximumYield   Date Posted: 27 September 2017  

Definition - What does Rockwool Cube mean? Rockwool cubes, also called stonewool cubes, are best used to germinate seeds and root cuttings. They are a form of Rockwool, a popular growing medium for hydroponic gardening. Manufacturers create Rockwool cubes by sp ...


Author: just4growers.com   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 ...


Most popular hydroponics grow medium rockwool are derived from volcanic rock (basalt) melted back into lava and poured into spinner in a process similar to making cotton candy. Rockwool is clean media which has a perfect air-water ratio and comes in a ready to use cube format. Smaller rockwool cubes are used for germinating seeds for seedlings and larger cubes are used as primary growing medium for small plants. Rockwool has high ph, so it should be pH balanced before use.