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 AO Plugs, Rockwool Cubes – Hort Americas
Grodan Rockwool 1.5 cubes (45/Pack) : Gardening : Patio, Lawn & Garden
Grodan Rockwool 1.5 cubes (45/Pack) : Gardening : Patio, Lawn & Garden
Grodan Rockwool Cubes, Slabs & Growing Substrates
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 Grow-Cubes 1/4 rockwool cubes - 1 gallon size
Grodan Grow-Chunks
Grodan AO Plugs, Rockwool Cubes – Hort Americas
Grodan Rockwool Cubes for Propagation, Indoor Seed Starting (1 inch) 200 Cubes Per Sheet, 4 Sheets : Patio, Lawn & Garden
Grodan Grow-Cubes
Grodan Rockwool Cubes, Indoor Gardening and Seed Starting Usage, (1 inch) 100 Cubes : Patio, Lawn & Garden