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6.2 Using seep liquid
If you use a hose connected to the composter’s seep liquid open-
ing to collect excess seep liquid from the bottom of the com-
poster, you can utilise it in the garden. The seep liquid contains
nutrients which plants can readily use.
• Use seep liquid diluted with water (minimum ratio 1:2) when
watering your garden plants.
• You can also recycle seep liquid in your Biowaste Composter
by pouring it back into the compost mass from the top. Add
some bulking agent and absorb a maximum of 5 litres of liquid
per day. If the mass is already wet, do not moisten it further
with seep liquid.
7. Troubleshooting
7.1 Rotten odour
If the composter has an odour of rot or decay, the compost mass
is too dense or wet, or there is no oxygen inside the composter.
• Make sure that you are using bulking material suitable for a
composter.
• Make sure that you have used enough Biolan Bulking Material.
• Temporarily increase the amount of bulking material until the
compost mass is no longer too wet.
• Remember to open and empty biodegradable bags before you
place them in the composter.
• Unload some of the wet compost mass from the bottom of
the composter (see Chapter 5.2). Place a couple of centime-
tres of the mass around your ornamental plants. The unpleas-
ant odour will dissipate in a few days. Add a couple of shovel-
fuls of Biolan Bulking Agent to the bottom of the composter
through the unloading door (part 5). Compact the mass and
mix plenty of Biolan Bulking Agent in it.
7.2 Ammonia odour
If the composter smells like pungent ammonia, the compost
mass is releasing nitrogen. If there is too much of nitrogen in re-
lation to carbon, the micro-organisms will not be able to utilise it.
• Make sure that you have not added too much materials con-
taining nitrogen, such as urine or chicken poop, in the com-
poster. Stop adding too much nitrogen into the composter.
• Do not put any ash or lime in the composter.
• Make sure that you are using bulking material suitable for a
composter.
• Make sure that you have used enough Biolan Bulking Material.
• Temporarily increase the amount of bulking material you use
when loading the composter until the unpleasant odour disap-
pears.
• Mix the compost mass.
7.3 Composting process does not start
• Mix the top of the compost mass and look through the unload-
ing door to make sure that the mass is suitably moist.
If the mass is suitably moist:
1. The composting process has not started yet (see Chapter
4.1). Continue loading the composter normally.
2. The volume of waste is so low that the temperature inside
the composter is not high enough. It will take longer for the
waste to become compost. Continue using the composter
normally. Whether there is enough time for the waste
to compost before you unload the composter is more
important than a high temperature. If you want to speed up
the composting process, add more nitrogen. You can use a
starter agent designed for composters, for example.
3. The mass at the bottom of the composter has composted
to a stage where it is no longer hot. Unload some of the
compost mass and continue using the composter.
5.3 Issues to be taken into account during the cold
season
The composting waste generates heat inside the composter; the
device itself does not generate any heat. Micro-organisms re-
quire fresh waste regularly to maintain their vital functions.
The thermal insulation of the Biowaste Composter prevents the
heat from getting out and, thus, promotes the operation of the
composter and prevents the compost mass from freezing.
• Regular use of the composter, i.e. loading and unloading, is very
important during the cold season. It is the only way to keep
the conditions inside the composter favourable to the micro-
organisms and thus keep the composting process going.
• Don’t reduce the amount of bulking material or stop using
bulking material altogether during the cold season: using
enough bulking material is especially important when it is
cold, as wet compost mass will freeze up more easily.
• Store the bulking material in a warm space where it is pro-
tected from the rain.
• Make sure that the inlet and outlet air valve (parts 9 and 3) of
the composter do not freeze over, as it would prevent proper
ventilation of the composter. Remove any ice.
• The composter, its parts or the compost mass will not be dam-
aged if the compost mass does freeze over. The composting
process will continue when the compost mass thaws at the
latest.
5.4 Cleaning the Biowaste Composter
• Do not wash the composter. Various moulds and ray fungi are
important decomposing organisms in the compost, and you
should not wash them away.
• Clean the inlet air valve (part 9), the exhaust air valve (part 3)
and the seep liquid hose (if any) with water, if necessary.
6. Using compost and seep liquid in the
garden
Compost is an excellent soil conditioner and contains nutrients
with a long-lasting effect for plants to use. Compost soil is usu-
ally divided into two groups based on how mature it is: semi-ma-
ture cover soil and mature compost soil.
Maturing cover soil into compost soil
When you unload mass from the Biowaste Composter, the mass
has usually matured to the cover soil stage. It is recommended
that cover soil only be used for covering the growing beds of or-
namental plants. If you want to use it for edible plants, you should
post-compost it for another year to mature the mass into proper
compost soil.
Using cover soil
Cover soil refers to semi-mature compost mass. The decompo-
sition process has progressed to a stage in which food waste
has decomposed. Harder wood matter and eggshells and citrus
fruit peels, for example, may still be visible, so cover soil looks
coarse. Semi-mature compost may still contain substances that
will impede growth and germination, so it should not be used as a
growing medium. Cover soil is not harmful to plants when spread
to cover the beds of ornamental plants in a layer of a couple of
centimetres. This will allow the nutrients contained in the com-
post to release for the plants to use.
6.1 Using mature compost soil
The fertilizing effect of compost depends on its raw materials.
The nutritional value of compost made from household waste is
usually higher than compost made from gardening waste. Com-
post soil alone does not make for a good substrate; instead, you
should add one-third to half of mineral soil, such as sand, silt,
loam or clay.