What is a medium ?

A medium is the home of our cacing , which eventually also its food source. Prepare a good medium will make sure the cacing feels good and start to do their job effectively. If there's any problem in the medium we prepare , it may cause the cacing not to feel comfort and will try to climb out from the medium or die.

Few type of medium we can prepare :-

1) Mixture of saw dust ( serbuk papan ) & Goat/Cow Manure ( Tahi Kambing / Lembu )
2) Mixture of shredded newspaper (no color / plastic coating ) & Goat/Cow Manure
3) Mixture of dry leaves/grass/"lalang" & Vegetables ( no onion , ginger , garlic )
4) Mixture of coco peat ( serbuk sabut kelapa ) & Goat/Cow Manure

* Note :- all the above item must be soaked in water for fermentation process before making the medium.

Actually for medium preparation there’s no limitation , if you have access on any one of the above item , you may freely used it for medium making , must beware no chemical mixture ( racun serangga / ubat cacing ) on any of the medium ingredient.
The mixture of medium must be in the ration of 70:30, or known as the C:N ratio among worm breeders’. The C stands for Carbon and the N is stand for Nitrogen. This 2 components is essential on compost making.
The process of medium making , can be said long and difficult process , thus , the best choice is to buy the medium , 1kg of medium is sold between Rm 1.00 to Rm 1.40 , depends on the location.

How to prepare a Worm Bin.

There a lot of method on preparing a worm bin , the worm bin can be made from wooden plywood , plastic bin , iron drum , or even from brick ( nicely arrange to form a box ). The depth of your worm bin is the most important factor , it should around 12 to 18 “ in depth , this is to make sure the medium always in aerobic condition ( kaththotam ) , because the cacing breath thru their skin , proper medium condition is needed , not to dry or to wet. The best way to check the medium condition is to hold a quantity on your hand and squeeze the medium , when you release , if the medium tend to break into pieces than its to dry , if to much water spills out , too wet. The best medium condition is to have 1 or 2 drops of water when you squeeze it.

Photo below is the sample on how to make a ideal worm bin :-