Caution: We do not offer guidance on the specific effect of this rock on your flora, fauna, fungi, etc. or how it will affect the water quality levels of pH, GH, alkalinity, ammonia etc. when in doubt discuss with a aquatic professional or a floral specialist before use. Before you add the rock into the aquarium vase or planter, please ensure that you wash them well to get rid of any surface chemicals, bacteria, fungus, algae and parasites that may be present.