Rockwool is an ideal medium for starting hydroponic seedlings. Learn everything you need to know about how to start seeds in rockwool cubes.
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Hydroponic seed starting. Starting seeds in rockwool.
Grodan A-OK Rockwool starter plugs are perfect for starting seeds or for rooting clone cuttings Has a tremendous capacity for absorbing nutrient
1.5 Grodan Rockwool Cubes for Seed Starter (98 Hydroponic Plugs) + The Hydroponic City Stakes