Black Essence is a concentrated Indian Almond leaf or Daun Ketapang extracts formulated with essential trace elements. It allows perfect simulation of natural amazon water quality in an aquarium tank, reconstructing soft water environment for fishes, particularly betta, discus, tetra, dwarf cichlid, and angelfish. It also aids in inducing fish spawning and hatching as well as protecting the fertilized eggs from fungal infection. Adding Black Essence to the fish tank helps in boosting fish immunity and enhancing disease-resistant ability. Yellowish-brown water colour enhances fish colouration and prevents algae growth by light filtration. With the natural chelating properties, Black Essence can bind toxic heavy metals as well as important nutrients that promote the growth of aquatic plants.