[will5]

I was just wondering that's all.

 

[Rusalka]

Hey there,

Fish poo, or snail poo or shrimp poo all help to break down fish food and into stuff that plants can use as nutrients to grow. It's similar to the idea of using worm castings in your garden. Perhaps someone else can offer a more scientific, and fleshed out answer to this question....

 

[starrystarstarr]

an easy way to think of it is kind of a plant food/fertilizer