What Is White Aquarium Gravel Made Of?
Gravel sold specifically for use in aquaria is chemically inert. It is commonly composed of quartz or other lime-free minerals. What color of gravel is best for aquariums? The bottom line is that some black (like our top pick of GloFish Aquarium Gravel), colored (like pure water pebbles aquarium gravel , our runner-up), or even … Read more