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Q: I have four questions. I am about to get saltwater fish, and
through my research have come across a couple of questions. First of
all, is the substrate important in a tank? For example, I used to own
freshwater fish and have not changed the substrate since. I do not know
what kind of substrate it is either. Second, is coral a must have, and
how long should you keep it in the tank before adding fish (50 gallon
tank) Third, do you need protein skimmers? And finally, Do you need
to give the fish a freshwater bath before placing them in the tank?
A: Substrate
in a Salt water tank is very important, it acts as a pH buffer and helps
maintain the higher levels needed for the fish. You should use a Carbonate
substrate designed for salt water use which should be clearly marked
on the bag, one brand is "Florida Crushed Coral." The use of Coral in
a fish only tank is purely for decoration and there are many plastic
resin copies out there that look great. A protein skimmer is an option
in a Fish only tank and a must have in one of the mini reef tanks where
you keep "live" Corals and other animals. A fresh water bath is a tricky
procedure that does remove many parasites, but should be taken carefully
for a novice, a quarantine tank is a much better idea. Please read theIntroduction
to Saltwater: Your First Marine Tank article for more in depth answers.

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