Good drainage is key to a balanced BSF system

When I refer to a “balanced BSF system” I mean one that promotes aerobic bacteria (thrives in oxygen) and discourages anaerobic bacteria (thrives in the absence of oxygen). A nice benefit to an aerobic system is that it smells neutral, or even good, depending the waste being processed. Anaerobic bacteria are associated with foul, sewer-like odors which are a sign that a composter needs attention. To maintain an aerobic environment in our composters, we need pockets of air throughout the waste. The problem is that BSF castings are so fine, and they generate such a large volume of them, that air pockets are filled up over time. This dense, oxygen-starved waste usually becomes anaerobic. It’s common for a BSF system to seem fine when observed at the surface, but if you dig down a bit you’ll often find stinky anaerobic waste. Besides being less efficient, it’s usually just a matter of time before the condition worsens. I believe I’ve solved this problem.

The combination vertical/horizontal, slotted drain system on my BSF bio-composter allows the operator to easily flush out the fine BSF castings which results in an oxygen-rich environment, and which also produces a potentially valuable liquid fertilizer as a byproduct. You may learn more about this unique drainage system here: LINK

2 thoughts on “Good drainage is the key

  • June 3, 2014 at 1:33 pm
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    It inspiring me, because when I started to breeding bsf, my waste bin was stinky which seems need more air for aerobic processing. I cultivate in 40 m2. My other problem especially for baby flies that always invite soi many ants eating them. Please inform me how to to avoid those ants. Your information will be really appreciated. Thanks for your every information…

    Reply
    • June 3, 2014 at 7:57 pm
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      Hi teddy,

      One other advantage to flooding a composter is that it discourages ants, but the best thing is to prevent them from entering the unit. You can do this by keeping the composter on a table and setting the legs in containers of water. The ants will generally not cross the water. You should consider joining our forum where other people can easily comment on your questions also. LINK

      Reply

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