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  •   Trays measure 16” x 16” x 6”, made in the USA of recycled food grade plastic, BHT free.
  •   Trays are available in 3 colors: black, green and terra cotta.
  •   Coir is ground coconut fiber. It is the most desirable bedding material because it retains moisture and improves the quality of the worm castings that go into your garden.
  •   Two bricks provide enough coir for at least 10 trays when hydrated.


This Upgrade Kit can be added to either the Worm Factory Standard composter or the Worm Factory 360 composter. This will allow the user to increase the amount of compost being produced by the worms. The two brick of coir provide enough coir for at least 10 composting trays when hydrated. The trays are available in black, green or terra cotta.

The kit includes:

2 – Stackable composting trays (Choose your color)
2 – 650g bricks of coconut coir

Additional information

Weight 7 lbs
Dimensions 16 × 16 × 7 in

Black, Green, Terracotta


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