{"aliases":[],"category":"Water and supplies","confidence":"high","description":"Water quality matters to the shop. These tools help you check water and deal with different kinds of contamination.","facts":[{"key":"water-kit","label":"Water Testing Kit","section":"Testing water","source":{"pointer":"Player-facing reference: Testing water \u2014 Water Testing Kit","reader":"Installed demo text / official Steam demo listing"},"status":"verified","value":"The kit includes a small bottle of color strips for checking water quality. The Water Merchant scenario starts with a testing and purification kit, according to the official demo listing."},{"key":"water-strip","label":"Water Testing Strip","section":"Testing water","source":{"pointer":"Player-facing reference: Testing water \u2014 Water Testing Strip","reader":"Installed demo text / official Steam demo listing"},"status":"verified","value":"A strip used to determine the quality of a water sample."},{"key":"aquascan","label":"AquaScan","section":"Testing water","source":{"pointer":"Player-facing reference: Testing water \u2014 AquaScan","reader":"Installed demo text / official Steam demo listing"},"status":"verified","value":"A device described as accurately checking a water sample and displaying detected impurities."},{"key":"uv-lamp","label":"UV Lamp","section":"Treating water","source":{"pointer":"UV Lamp description and flavor text (item_uv_filter_desc and item_uv_filter_flavor)","reader":"Installed demo English item localization"},"status":"verified","value":"The lamp can be used on a water container. Its flavor text says the ultraviolet light kills bacteria and other microorganisms. The item text does not say that it removes every kind of contamination."},{"key":"purification-tablet","label":"Water Purification Tablet","section":"Treating water","source":{"pointer":"Player-facing reference: Treating water \u2014 Water Purification Tablet","reader":"Installed demo text / official Steam demo listing"},"status":"verified","value":"The tablet\u2019s description says it removes a large amount of microbial contamination and partly reduces chemical contamination. It has no effect on other kinds of contaminants."},{"key":"read-results","label":"Read the result before treating","section":"Practical tip","source":{"pointer":"Player-facing reference: Practical tip \u2014 Read the result before treating","reader":"Installed demo text / official Steam demo listing"},"status":"verified","value":"Different tools handle different problems. A purification tablet does not remove every contaminant, so test the water and check the tool description before choosing a treatment."},{"key":"customer-habits","label":"What customers tend to do","section":"Customer habits","source":{"pointer":"Player-facing reference: Customer habits \u2014 What customers tend to do","reader":"Installed demo text / official Steam demo listing"},"status":"verified","value":"The customer guide says large water orders typically come with a Water Testing Kit; Scavengers are typically too poor to carry one; and Tourists and Upper Level Citizens are often less likely to test the water themselves."},{"key":"portable-purifier-threshold","label":"When the portable purifier refuses a container","section":"Using the portable purifier","source":{"pointer":"GameAssembly.dll mapped with IL2CppDumper; Ghidra analysis at VA 0x180493B30 and 0x180540D60","reader":"Installed demo code: AmenitiesItemDirectory.OnPortableWaterPurifierUsed and WaterHelper.GetWaterPurity"},"status":"verified","value":"The purifier will not run when the water quality value is 9,800 or higher on the game\u2019s internal 0\u201310,000 scale. At that point, the code treats the container as already clean enough for this tool. This is an implementation detail, not a general drinking-safety rating."},{"key":"portable-purifier-durability","label":"Portable purifier durability","section":"Using the portable purifier","source":{"pointer":"Portable purifier description plus GameAssembly.dll method at VA 0x180493B30; internal calculation (volume + 99,999) / 100,000","reader":"Installed item localization and AmenitiesItemDirectory.OnPortableWaterPurifierUsed"},"status":"verified","value":"The game charges purifier durability in steps based on container volume, rounding up to the next 100 ml. For example, a 101 ml container uses 2 durability. The item description states 1 durability per 100 ml; the code rounds partial 100 ml amounts up."},{"key":"purity-scale","label":"How the game calculates its water quality value","section":"Reading test results","source":{"pointer":"GameAssembly.dll method at VA 0x180540D60; mapped via IL2CppDumper metadata","reader":"Installed demo code: WaterHelper.GetWaterPurity"},"status":"verified","value":"The game stores water quality as a number from 0 to 10,000. The calculation uses the amount of a tracked water component compared with the total amount in the container. The code returns 0 when there is no measurable total. The extracted code does not by itself identify the tracked component, so this number should not be read as a real-world safety test."},{"key":"water-purifier-machine","label":"Water Purifier machine","section":"Purifying water","source":{"pointer":"Water Purifier description and instruction short text (item_water_purifier_desc and item_water_purifier_instruction_short)","reader":"Installed demo English item localization"},"status":"verified","value":"Put a water container into the machine and provide enough energy. It processes the water overnight. Its instruction text says modules can change power consumption, the amount of contamination removed each night, and the maximum purity it can reach."},{"key":"water-purifier-modules","label":"What the purifier modules change","section":"Purifying water","source":{"pointer":"Water Purifier Instructions (item_water_purifier_instruction_flavor)","reader":"Installed demo English item localization"},"status":"verified","value":"The instruction card lists three module effects: Efficiency changes power consumption, Performance changes the amount removed per night, and Quality (0.5 Ratio) changes the maximum purity."},{"key":"water-rations","label":"Sealed water rations","section":"Water supplies","source":{"pointer":"Water Ration and Water Ration (Small) descriptions","reader":"Installed demo English item localization"},"status":"verified","value":"The standard sealed ration pours 750 ml of Basewater into a liquid container. The small ration pours 375 ml."},{"key":"water-filter-and-pitcher","label":"Water filters and pitcher","section":"Purifying water","source":{"pointer":"Water Filter and Water Pitcher descriptions","reader":"Installed demo English item localization"},"status":"verified","value":"A Water Filter slightly improves purity when used in a filter system, but stops working above a stated threshold. A Water Pitcher holds a filter and removes some contaminants from water poured through it."},{"key":"advanced-water-filter","label":"Advanced Water Filter","section":"Purifying water","source":{"pointer":"Advanced Water Filter description and flavor text","reader":"Installed demo English item localization"},"status":"verified","value":"The Advanced Water Filter recovers 50 durability at the start of each day. Its flavor text describes it as a premium pitcher filter used in the Upper Levels."},{"key":"hydratech-portable-purifier","label":"HydraTech Micro Water Purifier","section":"Purifying water","source":{"pointer":"Portable purifier item description/flavor and GameAssembly.dll VA 0x180493B30","reader":"Installed demo English item localization and AmenitiesItemDirectory.OnPortableWaterPurifierUsed"},"status":"verified","value":"Use the HydraTech Micro Water Purifier on a water container to bring its contents up to Basewater purity. It spends one durability per 100 ml; partial 100 ml amounts round up. Its flavor text says discarded units wash up in the Dumping Grounds, but that text does not guarantee a fixed spawn."},{"key":"water-neon-sign","label":"Water Neon Sign","section":"Shop equipment","source":{"pointer":"Water Neon Sign description (item_sign_water_desc)","reader":"Installed demo English item localization"},"status":"verified","value":"Placing the Water Neon Sign in the Display Case attracts customers who want to sell water."},{"key":"water-grade-ranges","label":"Water purity grades","section":"Reading water quality","source":{"pointer":"book_water_s1 grading entries in UI_en","reader":"Installed demo English localization: Water Trading Manual"},"status":"verified","value":"The Water Trading Manual gives these cutoffs: Pure Water 99.9% or higher; High-Quality Water 99% to 99.9%; Basewater 98% to 99%; Ghostwater 96% to 98%; Rustwater 90% to 96%; and Gutterflow below 90%. The manual prints the last cutoff as \u201c90%-\u201d."},{"key":"water-label-check","label":"Check the water instead of trusting its label","section":"Practical tip","source":{"pointer":"book_water_s2_body and book_water_s2_body2 in UI_en","reader":"Installed demo English localization: Water Trading Manual"},"status":"verified","value":"The Water Trading Manual warns that station water may be mislabeled, intentionally or by mistake. It recommends verifying quality before buying or drinking. It describes a Water Testing Strip as a cheap, easy test."},{"key":"water-treatment-limits","label":"Treatments target different contaminants","section":"Purifying water","source":{"pointer":"book_water_s3_body, body2, body3 in UI_en","reader":"Installed demo English localization: Water Trading Manual"},"status":"verified","value":"The manual explains that water can contain several kinds of contaminants and each treatment only works on certain kinds. If repeated treatment does not raise purity, the method may not affect what remains. Tablets reduce microbial contamination and some chemical contamination. A pitcher filter removes impurities, microplastics, and organic waste as water is poured through it, but its durability is limited."},{"key":"water-combined-treatment","label":"Combining tablets and a filter","section":"Purifying water","source":{"pointer":"book_water_s3_note, note2, note3 in UI_en","reader":"Installed demo English localization: Water Trading Manual"},"status":"verified","value":"The manual says using a Water Purification Tablet together with a Water Filter can produce Ghostwater or even Basewater, depending on the starting water quality. It recommends a dedicated Water Purifier with installed modules for higher purity. Basic methods are especially rough on filter durability when treating Gutterflow."}],"game_id":"water-testing","id":"water-testing","indexable":1,"kind":"mechanic","name":"Water testing and treatment","raw":{},"relationships":[{"metadata":{},"quantity":null,"ref":"Visitors and factions","relation":"related pages","source":{"reader":"Related article"},"status":"resolved","target":"visitors-and-factions"},{"metadata":{},"quantity":null,"ref":"Shop tools and records","relation":"related pages","source":{"reader":"Related article"},"status":"resolved","target":"shop-tools"}],"slug":"water-testing","source":{"build":"Steam demo build 26017150","note":"Game data text cross-checked against the official demo listing. The native-code REA pass is still incomplete.","official_url":"https://store.steampowered.com/app/4349200/Probably_Stolen_Demo/","reader":"Unity asset text extraction + official Steam demo listing","source_type":"cross_checked"},"sources":[{"title":"Official Probably Stolen Demo listing","url":"https://store.steampowered.com/app/4349200/Probably_Stolen_Demo/"}],"status":"verified","tables":[{"columns":[{"key":"Water type","label":"Water Type"},{"key":"Purity range","label":"Purity Range"}],"rows":[{"Purity range":"99.9% or higher","Water type":"Pure Water"},{"Purity range":"99% to 99.9%","Water type":"High-Quality Water"},{"Purity range":"98% to 99%","Water type":"Basewater"},{"Purity range":"96% to 98%","Water type":"Ghostwater"},{"Purity range":"90% to 96%","Water type":"Rustwater"},{"Purity range":"Below 90% (manual notation: \u201c90%-\u201d)","Water type":"Gutterflow"}],"title":"Purity grades in the Water Trading Manual"}],"updated_at":"2026-10-22","validation":[]}