Thanks for the reply, appreciate the advice.
Its for battle spot. Without Mow rotom who would you think is the best counter for water types like wash rotom and azumaril?
Lots of changes to make now :L
Ferrothorn pretty much counters nearly every Water Pokemon known:
-Stealth Rock/Spikes
-Leech Seed
-Gyro Ball/Thunder Wave
-Power Whip/Protect
Nature: Relaxed
EVs: 252 HP/216 Def/40 SDef
Item: Leftovers/Rocky Helmet
Ability: Iron Barbs
or
-Leech Seed
-Protect/Thunder Wave
-Gyro Ball/Power Whip
-Stealth Rock/Spikes/Gyro Ball
Nature: Relaxed/Impish
EVs: 252 HP/216 Def/40 SDef
Item: Leftovers/Rocky Helmet
Ability: Iron Barbs