Question 1

When should I add the next tray to my Wormery?

Accepted Answer

Assuming you are adding your food scraps every couple of days as you lift the moisture mat you will see the worms working just below the surface. (If you have to dig down to find worms you need to ease up on the food addition as you don’t want waste building up without the worms having time to process it.) As the waste gets consumed by the worms the volume reduces and it’s processed into black gold (worm casts) and liquid (which you will use as liquid feed). This means as you fill each tray it sinks at quite a rate so the time to add a new tray on top is when the tray the worms are working on is just about full and when the bottom of the next tray will sit on the compost below. At this point you take off the moisture mat, add the next tray and some waste and replace the moisture mat which always sits on top of the freshest waste.

Don’t worry if the worms don’t appear to move up into the next tray for a few weeks – as long as there are no gaps between the trays and you can see flecks of compost on and around the top tray all will be well. After all worms do not know about trays so as long as they are working on the compost just below the surface all will be well. Just occasionally it’s worth checking that no gaps have occurred between the trays where the compost has sunk as this will mean the worms have more of a challenge to get up and down between trays. If there is a gap – add a bit of waste into it to fill it in.

Question 2

Why won't my worms move?

Accepted Answer

If your worms are not moving to the next tray, there could be a few reasons:

Not enough food: If there is not enough food in the top tray, the worms may not have a reason to move up. Make sure to add food to the top tray regularly and in small amounts.
The waste has sunk. As worms compost waste the volume reduces and sometimes this can cause a gap between the trays which makes access to the next tray more difficult. Check for gaps and if there are – add waste into the gap.
Not the right type of food: Some types of food, such as citrus, onions, and garlic, can be harmful to worms and should be avoided. If you have added a lot of citrus onions and garlic to the top tray, either mix in other foods or remove some of them and replace with a more suitable foods for the worms.
Overcrowding: If there are too many worms in the bin, they may not have enough space to move around. Try harvesting some of the compost and removing some worms.
Temperature: worms are very sensitive to temperature, if the temperature is too high or too low it can affect their activity. Make sure the temperature in the bin is within the ideal range of 55-77°F (13-25°C)
pH level: worms need a slightly acidic environment to survive. If the pH level of the bin is too high or too low, it can affect their activity.

It's important to keep an eye on the conditions of the bin and make adjustments as needed to ensure a healthy environment for the worms.

When should I add the next tray to my Wormery?

Why won't my worms move?

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