My biogas production has dropped quite a bit. How do I figure out whats wrong with my biodigester?
There are a number of things that can affect the biogas production in a biodigester. Biogas leaks If there is very little biogas, there may be a leak somewhere. If you are using water to seal the tank, make sure that water levels are sufficient enough to make a strong seal. In a biodigester like the ones the Santa Fe Women’s Group made, if there are no problems with the water levels, you should check the plastic to see if there is a hole. With two or three people, you can remove the PVC frame from the plastic and hold the plastic up to sunlight to spot any holes that may have formed. If you don’t find any holes, you can then check the PVC tubing that carries the biogas to the kitchen. To do this you can fill the tubing completely with water to see where, if anywhere, water is leaking through. Temperature problems As stated before, if temperatures reach below 20°C, you will experience a drastic decrease in biogas production. If this is the case, look to adapt a heating system to your bi
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