The term pH stands for “power of hydrogen,” and is the measure of a scale used to describe how acidic something is. Although all fish have an optimum water pH that they thrive in, most can adjust to ...

TEMPO.CO, Jakarta - Aquascape is the art of crafting in decorating an aquarium with plants, fish, rocks, and grass. According to The Spruce Pets, some wood can absorb tannins in the water which may be ...

1. Tannins are one of the most studied groups of plant secondary metabolites in research related to chemical ecology. They are traditionally thought to form an important factor of plant defence ...