Root Control Disc Square

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Root Control Disc Square Square Root Control ‘Discs’ for 1Pot modules. Place one Root Control Disc into the bottom of the module tray before the pot is added. In 1Pot module trays we recommend that the Root Control Discs are used gold face up. Root Control Discs help to prevent roots from leaving the pot and heading towards the AQUAvalve. They are highly effective due to their special metallic gold coating. Show more