Why Your Compost Smells
The Beet: A Podcast For Plant Lovers
Epic Gardening
4.8 • 1.6K Ratings
🗓️ 25 May 2022
⏱️ 6 minutes
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Transcript
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| 0:00.0 | If you have a compost pile and it has started to get a little bit smelly, well, you're probably |
| 0:18.9 | not alone. |
| 0:19.9 | I think Tony, this is probably a thing that happens to almost everyone making compost for the |
| 0:23.7 | first time. |
| 0:24.7 | So Tony O'Neill is back on the show, founder of Simplified Gardening, and author of the |
| 0:28.3 | upcoming Web Composting Masterclass. |
| 0:30.5 | Tony, what would be the main reasons at least why someone's compost starts to smell? |
| 0:36.7 | Again, I think that the main controlling factor here is moisture, as I've spoken about |
| 0:43.5 | earlier on, the compost if it gets too wet, this pushes or fills up the air pockets with |
| 0:50.4 | moisture in the compost pile and sort of expels that air out to the pile. |
| 0:56.1 | Because of that, it turns anaerobic, and that's where the smell comes from. |
| 1:00.2 | It's caused by hydrogen sulfide, so it'll smell like rotten eggs. |
| 1:05.8 | So one of the important things to sort this out is ensuring that you've got good water |
| 1:11.7 | management and good airflow, and that's the best way from creating your compost to become |
| 1:17.4 | a mess in the first place. |
| 1:19.3 | Now a lot of people will think that's the end of that compost, you know, when it gets |
| 1:23.5 | that smelly mess and they'll scrape it up and, you know, they'll put it in bags and |
| 1:27.4 | they'll throw it away, but you can recover from this. |
| 1:31.8 | And the best way to do this is we need to absorb that moisture. |
| 1:36.8 | To do this, we need to literally turn that pile out onto, you know, a tap or something |
| 1:42.3 | like that, and then we need to rebuild this pile and we would use a lot more carbon in |
| 1:48.8 | the pile. |
... |
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