Made from the same material as our propagation and transplant cubes, Grodan Growing Cubes are 1cm cubes of rockwool growing medium.
Suitable for use as a growing medium on their own or as a means of supporting another medium clay pebbles and growing cubes seem to work well they can also be used as a packing medium around the roots of clones grown in aeroponic systems when they are put into transplant cubes.
It is possible to use these cubes as a growing medium on their own, but do be aware of the water retention. We would recommend using them with a drip-feed system such as the Wilma and standard hydroponic nutrients such as Canna or Plant Magic.
Available in 90 litre bags.
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