The '''Electric Hydro''' is the stealth upgrade of the Steam Powered Hydro-pole released on June 24, 2021.
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The stealth upgrade is leveled in [[Blue Caldera]] which will also level your regular Steam Powered Hydro-pole as well. Note that in the non-stealth areas like [[Blue Crescent]], it will be treated as a regular Steam Powered Hydro-pole and not level your Stealth upgrade. Stealth is affected by pole leveling bonuses. However, Stealth is ''NOT'' affected by Love Chum's +2 level boost, nor can you apply Liquid Gold to catch fish 2 levels prior like you can with regular poles with Love Chum active.