The best fertilizer you can make yourself. Rich nitrogen source among other garden goodies.
This video comes to us from Pacific Organic & Ethical Trade Community on YouTube. This video shows how to make fish emulsion from your fish waste. An interesting comment is never to mix species; it can cause diseases in your fertilizer!
The guy showing us how to make the emulsion is making it by the gallons - like fifty we imagine. You can cut down the recipe (and it IS a recipe complete with sugar and acid) to make your own, unless you have a few acres of veggies you wanna feed with natural fertilizer.