Are your pots meant for coco coir and/or can rockwool 4”, 6”, or 8” cubes be placed inside instead?

Any size PotPro can be used with rockwool croutons (loose absorbent granulate), coco coir, soil or hydroton. 4”, 6” or 8” rockwool cubes are not recommended with our pots because of the tapered wall design.
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