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The middle tray should be half composted, there will worms here as there will still be food that hasn’t fully broken down The bottom tray should be fully composted (filled with black vermicompost / worm castings) very few worms should be in this level – but there will be worm eggs and a few stragglers. If you have a stacking wormery, this is very easy.ĭepending on how many levels you have, the wormery should follow these guidelines. When all the trays are full of food, they will need to be emptied. So we don’t recommend more than thisĮach Tray is 43x43x17cms and holds 25.2 litres of compost You can go up to 7 trays before it becomes too heavy and possibly unstable. Thus a 3 tray – 75 litre is the minimum we recommend, but the 100 – 4 tray is far better. So it’s all about the length of time between the bottom tray and the top tray that makes the wormery more efficient. You simply just remove this bottom tray, empty onto your garden and place back on top. If however you bought a 100 litre – 4 tray system, by the time the fourth tray was full, the bottom (original tray) should have changed to compost and the worms all moved out and upwards
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If you had only bought a 50 litre – 2 tray system it would mean that the top tray would be filled with food waste – but the bottom (original) tray would still contain un-composted food – so you would be unable to add any more waste until the bottom one had been eaten by the worms. It take approximately 2 months for a filled tray to go from fresh kitchen waste to compost. The worms will move upwards into the fresh waste leaving behind the eaten food that has changed into vermi-compost When this first tray is filled nearly to the top, you then add the second on top and start adding more kitchen waste, when filled add the next tray etc Then you slowly start adding your food waste. When you begin a wormery you will start off only using one composting tray into which you add your worms and bedding.
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The simple answer is the biggest that your budget allows. This is the question we get asked the most.
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