Make your own cheap rockwool stone wool propagation delta cubes for just 2.5 cents a cube.Hoocho propagates seeds in a timelapse to see if the technique work
How to Make Rockwool Grow Cubes: Only 2.5¢ Each!
MTFun 50Pcs Rock Wool Cubes,Rockwool Grow,Hydroponics Grow Cubes Multifunction Greenhouse Compress Base for Cloning Plant Propagation and Seed Starting
Jowlawn 1.5 Rockwool Cubes for Hydroponics - 2 Sheets Rockwool Grow Cubes for Rooting, Cuttings, Clone Plants, Starting Seeds, Ideal Rockwool for Hydroponic Growing (98 Plugs in Total) : Patio, Lawn & Garden
Grodan Rockwool Cubes (2 X 2 X 1.5 Inches) 50 Per Sheet : Soil And Soil Amendments : Patio, Lawn & Garden
Use This Instead of Rockwool for DIY Hydroponics, Cheap and Easy
How To Make Rockwool Cubes
Jowlawn 1.5 Rockwool Cubes for Hydroponics - 2 Sheets Rockwool Grow Cubes for Rooting, Cuttings, Clone Plants, Starting Seeds, Ideal Rockwool for Hydroponic Growing (98 Plugs in Total) : Patio, Lawn & Garden
Jowlawn 1.5 Rockwool Cubes for Hydroponics - 2 Sheets Rockwool Grow Cubes for Rooting, Cuttings, Clone Plants, Starting Seeds, Ideal Rockwool for Hydroponic Growing (98 Plugs in Total) : Patio, Lawn & Garden
1.5 inch Rockwool/Stonewool Grow Cubes Starter Sheets for Cuttings, Cloning, Plant Propagation, Seed Starting Hydroponic Grow Media Growing Medium for Vigorous Plant Growth (28, 1.5)1 : Patio, Lawn & Garden