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3 months in....

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  • 3 months in....

    I got my Hotbin around the middle of December and after some teething problems with getting it kick started, I regularly get 40+ degrees. Tops has been 65 degrees with some periods of cooling to 20 degrees. I find that grass clippings are the catalyst that work time after time. Temps from the internal thermometer.

    I am curious as to what temperatures are like deeper down in the bin, though. I'm looking at buying a compost thermometer with a longer stem, but they're quite expensive. If your bin is say, 50 degrees 30cm below the surface at 3/4 full, then what's the temperature likely to be at the bottom?

    I find I don't need to add any of the wood chippings at all. I've bought a shredder for the express purpose of feeding the bin and food waste, paper and grass keeps it hot. The obsessive nature of this "hobby", means that I've taken to microwaving the contents of my waste food caddy prior to adding it to the hotbin.......

    I will extract my first "harvest" in a few weeks and upload some photos.

  • #2
    Hi Garyb,

    It sounds as though you are getting some good temperatures in your HOTBIN.

    Easy to digest waste types such as fresh grass cuttings and vegetable peelings are quickly broken down by the hot composting bacteria and will usually result in a noticeable increase in your HOTBIN's internal temperature.

    Ordinarily, the temperatures at the bottom of the HOTBIN will be between 5-15°C depending on how much material is sitting directly above it. This is because the base layer becomes the least active within the unit as new, fresh waste is added to the top of the unit.

    You mention that you have found that you do not need to add any of the wood chippings – can we ask whether you are adding anything similar such as shredded hard prunings? If you are, can we ask what you are using and how often is this material being added into the HOTBIN?