Are there animals that can live in salt water and fresh water?
Can salt water kill staph germs on an infected tooth?
Does using a salt water rinse reduce swelling of gums?
How do you build a salt water aquarium refugium?
How do you control fungus in a salt water tank?
What is the growth on my live rock that looks like grass?
What should I know about raising salt water eels?
what is
Question by fluffy (21)
Answer by bigwig (654)
Objects in water, such as in home aquariums, often become covered with living organisms. The most common of these is probably algae. Most likely, your rock is covered with a small plant or lichen.
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