Strong Tonic

"Transforming Tonic lasts longer."

- In-game description

Strong Tonic is an upgrade in the Magic Monkey Knowledge tree introduced in the initial version of Bloons TD 6. Once Strong Tonic is activated, Transforming Tonic and Total Transformation abilties have increased duration by 4 seconds, going from 20 seconds to 24 seconds. To unlock Strong Tonic, the player must have 4 Knowledge Points invested into the Magic Monkey Knowledge tree, and the 'Speedy Brewing' Monkey Knowledge unlocked.

Summary
Strong Tonic allows Transforming Tonic and Total Transformation abilities to be even more reliable than before. With an extra 4 seconds, Transforming Tonic and Total Transformation can deal even more damage before the ability ends and adds more uptime for the two abilities.

Tips

 * With Strong Tonic, strategies like Druid of Wrath + TT5 and Shinobi + TT5 can last even longer and makes the strategies even stronger with it's increased duration plus more uptime.