Black master II is a product that keeps helping you maintain excellent water parameters by stabilizing your pH and provides elements to the water without leeching. Remember the hyped up crimson balls? Well these are the mini size pearls with the same effect. It prolongs the life of active soils so they don’t have to be changed for longer period of time!
There is also no sudden change of water quality
Ingredients: 74 species of fulvic acid, humic acid and organic minerals
Usage: Please add 1g to 1L water during water changes, please add 2g to 1L water at tank start-up.
