Should I add cardboard to the sump tray of my wormery?

This is not needed. If the worms are congregating in the sump tray then this is an indication that there is an issue with the contents of the upper trays.

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Our composting worms are mixture of species (mainly reds and dendras) selected for their composting ability

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Shop Our Worm Composting Range

The Urbalive Worm Composter is a home wormery kit that can be used indoors or outdoors for composting kitchen waste with the red worms. The perfect wormery for households, classrooms or offices.

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