Compost activators are products on the market that contain microorganisms and other nutrients that can get your compost pile to start cooking, it is not a vital part of composting.
There are many natural ways that you can add these same organisms to your pile to get it started and this can be accomplished by natural material that you already have on hand in your organic garden or existing compost pile.
The key to having a successful compost pile is the proper ratio of carbon and nitrogen material in your pile.
This ratio will provide the fuel needed for the microorganisms that are beneficial in composting to thrive and multiply in your pile.
The same type of microorganisms that are in these compost activators that are on the market are the same that already exist in your organic garden soil that you have in your yard.
When building your compost pile, layer the carbon and nitrogen material to the proper ratio, sprinkling a layer of compost that you already have on hand from your finished pile or some soil from your garden.
This will give you the same results that you would get from these products.
A good healthy organic garden soil is full of all the microorganisms that you will need to start a successful compost pile.
Turning your pile when needed to keep the proper air mixture, moisture and the proper carbon/ nitrogen ratio, along with adding these natural nutrients to your pile will provide you with a compost pile that will give you a nutrient rich humus product that will greatly benefit your gardens needs.