|The following is based on Fallout Shelter or Fallout Shelter Online and some details might contradict canon.|
The water purification room is the Tier II version of water generation infrastructure. Compared to the Water treatment room it produces a moderately larger amount of water, however it is significantly more expensive. Like most other buildings, the water purification room can be combined into a 3 wide building, increasing production and allowing more workers. It requires 80 dwellers to unlock.
To increase the speed at which water is generated, place dwellers with better Perception in this room.
The water purification room, like other rooms, gains a production and upgrade cost bonus from being connected to another room of the same type and level. The rooms will gain a +2 production bonus for each connected room. Upgrade costs will be 25% cheaper for a double room and about 34% cheaper when upgrading a triple room vs upgrading 3 single rooms.
Compared to the water treatment room, the basic water production room, the water purification room generates more water with a slightly longer production time. The water purification room is overall the more efficient of the two, with a better ratio of production time to production quantity than the water treatment room. As a downside the water purification room is significantly more expensive to build and upgrade than the water treatment room. Once the Nuka-Cola bottler is unlocked, water purification rooms are rendered obsolete.
|Single Room||Double Room||Triple Room|
|Water Purification Production||10||22||35|
|Water Purification Storage||50||100||150|
|Purification Station Upgrade Cost||3000||4500||6000|
|Purification Station Production||12||27||46|
|Purification Station Storage||75||150||225|
|Super Water Purification Upgrade Cost||9000||13500||18000|
|Super Water Purification Production||15||33||55|
|Super Water Purification Storage||100||200||300|
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