Easy-to-use aquarium substrate for planted tanks

Oliver Knott AquaEarth 7lt is the No.1 fertile substrate for powering aquatic plant growth, featuring a secret blend of Japanese volcanic ash, clays and minerals that controls the water hardness in addition to making a perfect bed for aquarium plants. AquaEarth can be used as stand-alone substrate or in combination with AquaLat as a bottom layer to add extra nutrients.