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These Grodan Rockwool cubes are ideal for raising seedlings and cuttings. Once roots start to emerge through the cubes you will need to plant them on into larger Grodan Transplanting Cubes or some other medium.
What is Rockwool?
Growing media is an essential part of any hydroponic growing system. Simply put, growing media is a soil substitute. There are many types of grow media available, each offering different advantages. These media are all inert, sterile substrates that have excellent aeration properties. Rockwool 1.5'' cubes are ideal for starting seedlings / cuttings, and then can be transferred into 3" or 4'' cubes. Afterwards, growing cubes are either planted onto Rockwool slabs or into your hydroponic system.
The cubes should be washed with warm pH adjusted water set at 5.5 before use and should kept moist but not saturated once seeds/cuttings have been planted.
Over watering can inhibit root development as well as making the plant more susceptible to root rot.
These parameter reference range is for general plants, such as tomato. Please set up your grow tent system depending on your specific plant. Thank you!
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