That depends on the type of tetra. Here in MD, my buddy brings his adult buenos aires tetras outside in early march. He brings them back in with many
well, we know that I will play.
Most likely it's zinc alloy, not lead, unless it's pretty old.
As others have stated, adding to your present tank is not a good idea. Consider a slightly larger setup just for the discus. 55/75g w/ 5 or more would
Great information. On the Leeris, Pearl Gouramis, did you allow them to spawn naturally in the pool or did you just grow out fry? That was going to