Rock wool Grow-Cubes are a wonderful additive to soilless orchids mixes the 1/4" cubes retain their shape while allowing for great airflow and superb moisture retention. Perfect when mixed with clay pebbles, or mixed in with traditional orchid mixes.
For growers seeking a forgiving, easy-to-use loose-fill media, Grodan Grow-Cubes are an excellent choice. Composed of uniform 1/4” cubes of rock wool, Grodan Grow-Cubes offer many advantages over other soilless potting mixes:
Lightweight — approximately 1/10 of the weight of a bag of potting soil.
1 gallon bag
Grodan A-OK 1x1 Sheet of 200 Rockwool / Stonewool Starter Cubes for Cuttings, Cloning, Plant Propagation, and Seed Starting : Plant Germination Kits : Patio, Lawn & Garden
2 cu. ft. - Grow Cubes - Stonewool - 1/4 in. Cubes - Grodan RW91003 : Patio, Lawn & Garden
Grodan Rockwool Cubes, Indoor Gardening and Seed Starting Usage, (1 inch) 100 Cubes : Patio, Lawn & Garden
Grodan Rockwool Cubes, Slabs & Growing Substrates
Grodan Rockwool Cubes, Indoor Gardening and Seed Starting Usage, (1 inch) 100 Cubes : Patio, Lawn & Garden
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Grodan A-OK 1x1 Sheet of 200 Rockwool / Stonewool Starter Cubes for Cuttings, Cloning, Plant Propagation, and Seed Starting
St. Louis's best retail supplier of hydroponic, organic, and aquaponic garden supplies. With more than a combined 40 years of experience, St. Louis
Grodan GRODAN GROW-CUBES, 5.07 cu ft Loose
Grodan Rockwool 1.5 cubes (45/Pack) : Gardening : Patio, Lawn & Garden
Grodan Grow-Chunks
Grodan Rockwool Cubes, Indoor Gardening and Seed Starting Usage, (1 inch) 100 Cubes : Patio, Lawn & Garden
Grodan Grow-Cubes
Grodan A-OK 1x1 Sheet of 200 Rockwool / Stonewool Starter Cubes for Cuttings, Cloning, Plant Propagation, and Seed Starting : Plant Germination Kits : Patio, Lawn & Garden
Grodan Mini-Cubes
Rockwool is an inorganic and sterile growing medium made from spun molten rock. A superior medium for rooting cuttings, rockwool provides 20% air
Grodan Rockwool Cubes (1.5 Inches) 98 Per Sheet - Case of 30 Sheets