Guava leaves for aquarium has high antibacterial properties, preventing diseases such as Vibrio and Louminous bacteria. Guava leaves can be used as a natural food source for shrimps
leaves when soaked in an aquarium can begin to release nutrients and antiseptic within 8-10 hours. You can see that after just a few hours the water starts to turn yellow. The longer or more water leaves, the darker the color will become. Since the water is light yellow or light brown, it may not be pleasing to the eye, especially if you keep your fish, shrimps in a glass tank. Soaked leaves can be left in the tank and do not need to be removed, which does not affect the quality of the water at all. After rotted, the leaves can be a food source for shrimps, snails or water micro-organisms.
Lush Earth- Guava Leaves