Can't choose? Get a Superfly® The Good Stuff combo, and get both slow release pellets, and the fast-acting natural for the best of both worlds. These products are made from 100% black soldier fly castings & exoskeletons and are certified organic fertiliser and soil enhancers. Made in Australia by transforming food waste into the perfect feed for black soldier fly larvae, the result is a probiotic superfood for plants, packed with beneficial microbes, chitin and nutrients to improve soil health, activate natural plant defences and accelerate plant growth.