Can you reuse aquarium gravel? Is it safe?

An image of brown diatome algae in a fish tank

It’s time to change your aquarium gravel again! What a pain! But should I really buy new gravel or can you reuse aquarium gravel? In short, Yes you can reuse your old aquarium gravel. Buying gravel over and over again is expensive so why do it? Save your money and check out the instructions below. … Read more