Rockwool

Small rockwool cubes used to fill pots as a loose grow medium retaining the aeration capacity of rockwool in a manual watered grow room.

Ideal for starting seedlings and cuttings. A very inexpensive tried, tested and trusted media for the first stage in the life cycle of a plant, supplied in a plastic tray making handling your young plants safe and easy.
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An inexpensive tried, tested and trusted media for the first stage in the life cycle of a plant (propagation). 36mm is the most popular size for raising seedlings and cuttings.
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A popular hydroponic media. Convenient hole in the top of the cube makes transplanting seedlings and cuttings easy - no fuss, no mess!
Available with either LARGE HOLE (36mm dia) - perfect for 36mm Rockwool and Organic starter cubes (Rootriot) or SMALL HOLE (25mm dia) - perfect for 25mm Rockwool starter cubes.
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4 inch cubes, a popular hydroponic media. Typically used to transplant or 'pot-up' young plants propagated in either 25mm or 36mm SBS rockwool cubes - hence they are available with two sizes of hole.
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The most popular slab for hobby growers due to its value and proven reliability. The vertical structure of the fibres helps promote the rapid initiation of vertical growth at the beginning of cultivation.

Widely used in commercial horticulture with rooted 3" or 4" rockwool cubes placed on the slab top & staked with an irrigation dripper. Slabs placed on small gradient for drainage, often NFT tables are used.