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Rockwool

10 products
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Regular price from $19.95
Sale price from $19.95
Regular price $19.95
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MacroPlugs™ are 1.5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro-Block™ hole. For best results, always insert MacroPlugs™ in a tr...
Regular price from $34.95
Sale price from $34.95
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A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with instructions in a shrink-wrapped sheet that fits a...
Regular price from $0.35
Sale price from $0.35
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Mini-Blocks™ sit in a tray (flat) without support for easy starting of seeds and cuttings. These Mini-Blocks™ are individually wrapped in white plastic to minimize algae growth. Remove wrapping and...
Regular price from $1.95
Sale price from $1.95
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Gro-Blocks™ are similar to a plant container. Need a 3 in pot? Then choose a 3 in Gro-Block™. Small plants can be fully grown in our larger Gro-Blocks™. Holes are perfect size for any 1.5 in starte...
Regular price from $16.95
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Gro-Slabs™ provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block™ plant onto a slab just like professional growers. They come in clearly marked biodegra...
Regular price $157.95
Sale price $157.95
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Grow-Cubes™ are small loose 1/2 in cubes of stonewool. Advantages are better aeration, maximum drainage so that you can hardly ever overwater your plant, easy mixing with other loose media (such as...
Regular price $112.95
Sale price $112.95
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Granulated rockwool works great on its own or mixed with other loose media, such as expanded clay rocks or coconut fiber. If planting in containers outdoors, water absorbent granulate is the best m...
Regular price from $1.95
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Cultilene is a genuine propagation specialist: from the melting of the basalt, until the transformation to germination plugs or growing blocks, everything takes place under close supervision. Doing...
Regular price from $0.29
Sale price from $0.29
Regular price $0.29
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Cultilene is a genuine propagation specialist: from the melting of the basalt, until the transformation to germination plugs or growing blocks, everything takes place under close supervision. Doing...
Regular price from $7.95
Sale price from $7.95
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Same quality, same value-priced, half-sized cases. Driest value-priced rockwool on the market. Made at the Grodan® factories. Plain brown half-case sizes. Better quality and drainage than other val...