Amazon River Macro Probiotic Mineral Concentrate™ is scientifically formulated to gently raise your GH and provide you with the ideal ratio of essential major, minor and trace elements to help replicate the aquatic environment of Amazon Rivers. Many biochemical processes that occur within your aquarium inhabitants require Magnesium, Calcium as well as other minor and trace elements. Fish tend to uptake a significant portion of required elements through the water, it is essential to ensure these elements are bioavailable and abundant. Additionally, Amazon River Macro Probiotic Mineral Concentrate™ contains macrobiotics, probiotics as well as vitamin precursors which help to promote beneficial bacteria growth and enhance fish vitality. This product must be used alongside of our Amazon River pH Buffer & Amazon River KH Conditioner, as temperature in combination with the triad GH, KH and pH, are essential for the quality and longevity of your aquarium.