Even though it may seem obvious, there is basically only one major rule about tropical fish supplies. This major rule? Make sure that if you have tropical fish, they have the right supplies.
So, then, the question about which kind of tropical fish supplies are best for use in your tank needs to be answered. The answer really depends a lot on what kind of fish you have in your tank.
If you have some of the fish that tend to stay in deeper, darker waters, you will want to make sure that the surroundings of the fish in your tank are representative of this. If the fish were used to living in a darker area, they will be uncomfortable living in a well-lit aquarium.
A good way to help these fish feel more at home is simply by providing tropical fish supplies like a lot of coral and rock formations around which these fish can swim and stay if they want to.
Before purchasing tropical fish supplies, do a little studying about these fish and what their natural environment is like. Doing this study will help you better understand how to proceed when purchasing supplies.