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Water Fact:
"Groundwater contamination occurs gradually and generally is not detected until the problem has already become extensive. This makes cleaning up contamination a complicated, costly, and sometimes impossible process." (EPA Citizen's Guide to Ground Water Protection, 1990)

Annual Start-up For Seasonal Use

How do composting toilets work if they are used regularly only throughout the summer? For seasonally used units, Sun-Mar recommends that the following start-up procedure be followed at the beginning of the season:

Action   Why
Empty the compost that had been left in the finishing drawer, and use the rake to clean out the evaporation chamber.

Pay special attention to the back two corners of the unit (or left hand side if it is a Centrex family unit).

This is a good time to remove peat debris from the evaporation chamber.

Your fertilizer is ready.

Remove additional drawers of compost (if there is more than 6 to 8 inches of compost in the drum). This is done by releasing the drum lock, and rotating the drum opposite from the usual direction (i.e. turn handle counter-clockwise) to extract compost into the drawer.

Since it will have been sitting over the winter and decomposing in the fall and spring, it will be finished and may be removed immediately, without any extra time needed to finish the compost in the drawer. Several drawers may be removed in this fashion if necessary.

Frees space in the drum for the new season's composting.
Add 1/2 gallon of warm water Raises moisture level.


For optimal composting:

Add SUN-MAR "Microbe Mix" or unsterilized black earth from a garden center.

We do not recommend using topsoil as it may contain fly larvae, and may not contain all of the bacterium required.

SUN-MAR "Compost Quick" enzyme can also be used as a compost accelerant.

Click for more information about SUN-MAR composting accessories

Even though the compost still has microbes in it, you may want to start the year by replenishing microbes.

Helps to accelerate the action of the microbes.

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