Item: 592
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4"x4"x4" Grodan Rockwool, 6 per strip
Grodan is water absorbent stonewool. Mother Nature makes her own stonewool which is known as angel hair from volcanoes. In the case of Grodan, rocks are heated up to 3000 degrees Fahrenheit and spun into wool like cotton candy. This method gives a media that is sterile and always maintains its structure.
Sold either by the wrapped strip of 6 individual blocks or by the case of 24 strips, for a total of 144 individual Growing Blocks.
Price: $6.44
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