Grodan Expert (Prestige) Growing Mat 1000x150x75 mm

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The inert rockwool growing mats by Grodan are made of high-quality basalt fibres pressed into mats. 

The Grodan Expert growing mats contain vertical hydrophilic fibres of mineral wool, which create a single layer with consistent density. We recommend this growing mat for cultivating herbs and crops (like tomatoes and cucumbers) which need frequent watering.

Grodan Expert growing mats are reliable, inert and suitable for all plant types. They will help you harvest the best possible crops.

• Gives you control over fertilisation and plant development
• Incredible water absorption and aeration - the plants have enough water on the bottom but are aerated from the top
• Great for roots - plants grow extensive root systems 
• Stable pH (rockwool increases them only slightly) and EC values
• Simple irrigation and drainage - the drained water is reusable
• Grodan Classic doesn't need pre-soaking

Grodan rockwool is also available as grow cubes. 

This growing mat is perfect for hydroponic systems, germination and cloning. These Libra hydroponic trays fit the 1m Grodan mats perfectly.