{"product_id":"wm-aquatec-dexda-clean-wasserdesinfektion-250-ml-fur-frischwassertanks-bis-ca-160-liter","title":"WM aquatec DEXDA Clean Water Disinfectant 250 ml – for fresh water tanks up to approx. 160 liters","description":"\u003cp\u003e\u003cstrong\u003eDEXDA Clean is the deep cleaner for your water system: a two-component chlorine dioxide solution that removes biofilm, bacteria, algae, and Legionella from your tank and pipes—and gets rid of musty odors at the same time.\u003c\/strong\u003e The 250-ml bottle is enough for a fresh water tank holding up to about 160 liters, which is suitable for the vast majority of RVs and camper vans.\u003c\/p\u003e \u003ch3\u003eWhich version do you need?\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eDEXDA Clean 250 ml\u003c\/strong\u003e (this item) – for tanks up to approx. \u003cstrong\u003e160 liters\u003c\/strong\u003e.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDEXDA Clean 100 ml\u003c\/strong\u003e – for smaller tanks up to approx. 60 liters, e.g., in a camper van or trailer.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eHygiene Trio Complete Set\u003c\/strong\u003e – if you want cleaning \u003cem\u003eand\u003c\/em\u003e ongoing preservation: DEXDA Clean combined with the KXpro silver preservation system.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eImportant to understand: DEXDA Clean \u003cstrong\u003ecleans and disinfects\u003c\/strong\u003e an existing system. It does not keep the water permanently germ-free afterward—that’s what the silver preservation or a UV disinfection unit is for. The usual approach is: clean it thoroughly once, then preserve it.\u003c\/p\u003e \u003ch3\u003eWhat it’s used for\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFresh water tanks and lines in RVs, camper vans, trailers, and boats\u003c\/li\u003e \u003cli\u003eAt the start of the season after the winter break and before winter storage\u003c\/li\u003e \u003cli\u003eAfter buying a vehicle—you never know what’s been growing in the previous owner’s tank\u003c\/li\u003e \u003cli\u003eIf the water or tank smells, feels slimy, or shows signs of buildup\u003c\/li\u003e \u003cli\u003eAlso for kettles, coffee makers, and beverage dispensers\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eHere’s how to proceed\u003c\/h3\u003e \u003cp\u003eCombine the two components; they activate each other—after about three hours, the solution is ready for use and can be added to the water system. Chlorine dioxide is pH-neutral and safe for materials, so you don’t need to rinse multiple times. For dosing and contact time, follow the enclosed instructions and the safety data sheets, which you can download directly here.\u003c\/p\u003e \u003cp\u003eAfter cleaning, it’s worth considering a long-term solution: a \u003cstrong\u003esilver-based preservative\u003c\/strong\u003e keeps the clean tank clean, and a \u003cstrong\u003eUV disinfection unit\u003c\/strong\u003e automatically disinfects the water as it’s dispensed. You’ll find both in our product lineup.\u003c\/p\u003e \u003ch3\u003eAt a Glance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eContents: \u003cstrong\u003e250 ml\u003c\/strong\u003e (0.25 liters), 2-component system\u003c\/li\u003e \u003cli\u003eSufficient for tank sizes up to \u003cstrong\u003eapprox. 160 liters\u003c\/strong\u003e \u003c\/li\u003e \u003cli\u003eActive ingredient: \u003cstrong\u003echlorine dioxide\u003c\/strong\u003e (CAS 10049-04-4), concentration \u003c 2.9 g\/l\u003c\/li\u003e \u003cli\u003eEffect: bactericidal, virucidal, algicidal, and sporicidal; removes biofilms and Legionella\u003c\/li\u003e \u003cli\u003eActivation time: approx. \u003cstrong\u003e3 hours\u003c\/strong\u003e \u003c\/li\u003e \u003cli\u003epH-neutral and gentle on materials; no repeated rinsing required\u003c\/li\u003e \u003cli\u003eTested in accordance with DIN EN 13623, DIN EN 1276, DIN EN 12671, and DVGW W291\u003c\/li\u003e \u003cli\u003eShelf life: 3 years when unactivated (protected from light, −2 to +50 °C); up to 3 months when activated (stored in a cool, dark place)\u003c\/li\u003e \u003cli\u003eManufacturer: WM aquatec GmbH \u0026 Co. KG, Erkenbrechtsweiler (DE) – Item No. DC250CD03\u003c\/li\u003e \u003cli\u003eWater Hazard Class WGK 1\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eWill my water be safe to drink again afterward?\u003c\/strong\u003e\u003cbr\u003e Yes—chlorine dioxide is an active ingredient approved for drinking water treatment (BAuA registration N-69077). After use, the system is flushed as described in the instructions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eHow is this different from a tank cleaner from a home improvement store?\u003c\/strong\u003e\u003cbr\u003e Most products work with active oxygen. According to the manufacturer, chlorine dioxide attacks the biofilm much more effectively—and the biofilm is exactly what usually persists and repeatedly contaminates the water.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eDoes it damage the tank, seals, or lines?\u003c\/strong\u003e\u003cbr\u003e No, the solution is pH-neutral and safe for materials.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eHow often should I do this?\u003c\/strong\u003e\u003cbr\u003e As a deep clean, at least at the start of the season, and ideally also before winterization. If you also preserve the tank, you’ll need to deep clean it less often.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCan I save the activated solution?\u003c\/strong\u003e\u003cbr\u003e To a limited extent—it remains active for up to 3 months if stored in a cool, dark place. Unactivated, it lasts 3 years.\u003c\/p\u003e","brand":"waerchzueg.ch","offers":[{"title":"Default Title","offer_id":56390767903099,"sku":"61565","price":15.9,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/8347\/3708\/files\/61565.jpg?v=1787585688","url":"https:\/\/www.waerchzueg.ch\/en\/products\/wm-aquatec-dexda-clean-water-disinfectant-250-ml-for-fresh-water-tanks-up-to-approx-160-liters","provider":"waerchzueg.ch","version":"1.0","type":"link"}