Garganacl's best moveset in Pokémon GO is Smack Down and Rock Slide, with 10.81 damage per second, and it can deal 408.7 damage before Garganacl faints. This is true when battling in neutral weather.
All Garganacl movesets ranked
Here is a complete list of Garganacl movesets in Pokémon GO, ranked by their DPS and TDO. You can change the weather and the opposing Pokémon.
|1.||Smack Down||Rock Slide||10.81||408.7||26.8|
|2.||Mud Shot||Rock Slide||10.26||388.0||25.4|
|3.||Smack Down||Ancient Power||9.69||366.2||24.0|
|4.||Smack Down||Rock Tomb||9.60||362.9||23.8|
|5.||Mud Shot||Ancient Power||9.07||342.9||22.5|
|6.||Mud Shot||Rock Tomb||8.71||329.4||21.6|