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Question about rockwool

Comparatively, how large of a rockwool cube do I need to equal a 3 gal pot?
Have seen a lot of different configurations of stacked cubes of various sizes, as well as cubes used with bats.
What's working best for you?


from Hydroponics / Aeroponics https://www.rollitup.org/t/question-about-rockwool.1025494/

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