Hey everyone, I have a male betta in a 10 gal by himself, but i want to add some buddies, I want to stick to the tetras species, but i dont want to add neon tetras, or ember tetras, i want something like black neon tetras, glowlight, monk tetras, rummynose, or silver tip tetras, help me which of these tetras i should add and how much, if i cant any tell me please,,