Grodan A-OK 36/40 1.5" x 1.5" Stonewool Plugs (98/Sheet)

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Sale price$19.99 Regular price$25.99
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Commercial & ACMPR growers: Email us for wholesale orders


As a grower, the target is always to get good root distribution throughout the substrate slab. This is because good root distribution helps to make a more uniform and easier to control EC level and water content. An important factor influencing root distribution is the fibre structure: in a slab with vertical fibres, the roots grow down faster than they would in a slab with horizontal fibres. Maximising the number of hair roots growing in the substrate is also beneficial as they play an important role in nutrient uptake.

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