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
74 species fulvic acid, humic acid and organic mineral
Please be 1g addition to 1L water is when water changes, please 2g addition to 1L water to the water tank start-up.