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By using rockwool in your hydroponic growing systems, you're giving your plants a place in which they can thrive, and 1000Bulbs.com offers a slew of options for you to choose from. Using rockwool in your hydroponics garden will provide an area in which the roots of your plants can soak up vital nutrients, allowing them to grow faster and larger. Choose from a variety of grow plugs with slits, gro-blocks with holes, stonewool slabs and rockwool block covers. It has never been easier to find rockwool hydroponics than when you browse the wide variety at 1000Bulbs.com. You won't find an online retailer offering a larger selection, lower prices or better customer service.