Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
btw your Acid Downpour calc in Know Your Niche is a little messed up
fixed version:
196+ SpA Bellsprout Sludge Bomb (175 BP) vs. 0 HP / 200 SpD Eviolite Salandit: 8-10 (38 - 47.6%) -- guaranteed 3HKO