Rockwool plugs, substrate ideal for hydroponic crops or for rooting cuttings. They come with a plastic tray and matching buckets of small hole rock wool.
Each rock wool bat is approximately 3.5 x 3.5 x 4 cm and the plastic tray or stand 32 x 53 cm.
The rockwool cubes are mainly used to make cuttings or sowing.
Note: Soak the cubes with water in a slightly acidic solution (pH between 5.8 and 6.5) before use.
You will also find Rockwool plugs at www.calle25.com
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