Growshaw Hydroponics Ltd
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Rockwool

Rock wool (mineral wool) is the most widely used medium in hydroponics and home gardening. Rock wool is an inert substrate suitable for both run to waste and recirculating systems. Rock wool is made from molten rock, basalt or 'slag' that is spun into bundles of single filament fibers, and bonded into a medium capable of capillary action, and are in effect protected from most common microbiological degradation.



Product Image Price- Manufacturer Item Name
Grodan 1m Expert Slab Each £2.99

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Grodan 1m Expert Slab Each

Slabs are used by commercial growers to produce tomatoes and cucumbers. Provides a firm media throughout the growing period. Used exclusively with...
Grodan AO 25/40 Small SBS Refills 30 Sheets 6/15 £139.99

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Grodan AO 25/40 Small SBS Refills 30 Sheets 6/15

Used for propagating, these 25mm square cubes are supplied in sheet form. Simply tear off and refill your SBS tray.
Grodan AO 36/40 Lge SBS Refills 30 Sheets 6/15 £139.99

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Grodan AO 36/40 Lge SBS Refills 30 Sheets 6/15

Used for propagating, these 36mm square cubes are supplied in sheet form. Simply tear off and refill your SBS tray.
Grodan DM4G 75mm 27/35 3" Cube with Small Hole £84.99

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Grodan DM4G 75mm 27/35 3" Cube with Small Hole

Used for drip feed, NFT, and even Flood and Drain. Will take SBS and AO cubes once suitably rooted. Can be place on top of rockwool slabs for larger...
Grodan DM4G 75mm (078037) 40/35 3" Cube with Lge Hole £84.99

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Grodan DM4G 75mm (078037) 40/35 3" Cube with Lge Hole

Used for drip feed, NFT, and even Flood and Drain. Will take SBS and AO cubes once suitably rooted. Can be placed on top of rockwool slabs for larger...
Grodan DM6.5G 100mm 40/40 4" Cube with Lge Hole £79.99

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Grodan DM6.5G 100mm 40/40 4" Cube with Lge Hole

Used for drip feed, NFT, and even Flood and Drain. Will take SBS and AO cubes once suitably rooted. Can be place on top of rockwool slabs for larger...
Grodan SBS77 Lge Cube 36/77 Box 6/15 18 Trays £117.99

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Grodan SBS77 Lge Cube 36/77 Box 6/15 18 Trays

Used for propagating, these 36mm square cubes are supplied 77 in a tray.
Grodan Small Cube 25/150 Box 6/15 18 Trays £119.99

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Grodan Small Cube 25/150 Box 6/15 18 Trays

Used for propagating, these 25mm square cubes are supplied 150 in a tray.


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