Paul B
Premium Member
Green Eyes, I have about 8 stainless steel screws in my reef now for about 20 years. Almost all my fish are spawning and my corals are growing up the walls. If it rusts it is still not bad because your corals need a little iron. I even add iron and rust, yes, rust.
Don't fall into the trap about everything on earth being bad for corals. I have dove all over the world and in all cases, corals grow better on iron shipwrecks than the surrounding rocks, guess why?
Stainless steel, even cheap or rusting stainless steel will not hurt your tank. Of course if you put to much rust or iron in your tank, your algae will be a nice green color, but it still will not hurt your corals. That spring in the valve would be made out of stainless steel that will not dissolve in salt water as the manufacturer knows that it is a valve so it will be exposed to water. Don't worry about, go out to dinner and have a nice glass of merlot.
Don't fall into the trap about everything on earth being bad for corals. I have dove all over the world and in all cases, corals grow better on iron shipwrecks than the surrounding rocks, guess why?
Stainless steel, even cheap or rusting stainless steel will not hurt your tank. Of course if you put to much rust or iron in your tank, your algae will be a nice green color, but it still will not hurt your corals. That spring in the valve would be made out of stainless steel that will not dissolve in salt water as the manufacturer knows that it is a valve so it will be exposed to water. Don't worry about, go out to dinner and have a nice glass of merlot.