{
 "generated": "2026-10-16T20:26:28Z",
 "content_changed": "2026-10-16T20:14:42Z",
 "licence": "Quote freely with attribution and a link to waterfilterhouse.com (the url of the product or the guide). Prices are in euro including VAT and hold at the moment of the build; order directly on the product page. No medical advice. waterfilterhouse.com is a shop of Alternatievemiddelen.nl B.V. (Hegelsom, the Netherlands).",
 "count": 14,
 "faq": [
  {
   "question": "Are Black Berkey filters still available?",
   "answer": "No longer sold separately: production has been at a standstill since 2023 following a decision by the US Environmental Protection Agency (EPA). There are three successors that fit the same housing, with BOROUX Foundation being the most popular choice.",
   "questions": {
    "en": "Are Black Berkey filters still available?",
    "de": "Sind Black-Berkey-Filter noch erhältlich?",
    "nl": "Zijn Black Berkey filters nog te koop?"
   },
   "link": "/uitleg/black-berkey-alternatief/"
  },
  {
   "question": "What exactly is BOROUX?",
   "answer": "The brand of the team behind America's biggest Berkey dealer, together with the factory that made the original Black Berkey formula. Alternatievemiddelen.nl is the only BOROUX dealer in Europe.",
   "questions": {
    "en": "What exactly is BOROUX?",
    "de": "Was ist BOROUX eigentlich?",
    "nl": "Wat is BOROUX eigenlijk?"
   },
   "link": "/uitleg/boroux-waterfilter/"
  },
  {
   "question": "Do BOROUX Foundation filters fit my Berkey?",
   "answer": "Yes, as a drop-in replacement: same size, same fitting, same basic formula. The BOROUX Proactive fluoride add-on filters also fit an existing Berkey system.",
   "questions": {
    "en": "Do BOROUX Foundation filters fit my Berkey?",
    "de": "Passen BOROUX-Foundation-Filter in mein Berkey-System?",
    "nl": "Passen BOROUX Foundation filters in mijn Berkey?"
   },
   "link": "/keuzehulp/"
  },
  {
   "question": "Which filter element fits my system?",
   "answer": "That depends on brand and model. The selection guide shows the matching elements for each system, with current stock and price.",
   "questions": {
    "en": "Which filter element fits my system?",
    "de": "Welches Filterelement passt zu meinem System?",
    "nl": "Welk filterelement past op mijn systeem?"
   },
   "link": "/keuzehulp/"
  },
  {
   "question": "ProOne can't be found anywhere any more. What now?",
   "answer": "ProOne was taken over in America and disappeared from the market. The element that made the brand big comes from an English factory and is really called Coldstream FTO PLUS; that one is simply still available.",
   "questions": {
    "en": "ProOne can't be found anywhere any more. What now?",
    "de": "ProOne ist nirgends mehr erhältlich. Was nun?",
    "nl": "ProOne is nergens meer te krijgen. Wat nu?"
   },
   "link": "/uitleg/proone-alternatief-coldstream/"
  },
  {
   "question": "My British Berkefeld needs new elements. Is that still possible?",
   "answer": "British Berkefeld no longer sells through shops. The ceramic Coldstream FTO PLUS fits the same housing and filters more substances, including fluoride.",
   "questions": {
    "en": "My British Berkefeld needs new elements. Is that still possible?",
    "de": "Mein British Berkefeld braucht neue Elemente. Ist das noch möglich?",
    "nl": "Mijn British Berkefeld is aan nieuwe elementen toe. Kan dat nog?"
   },
   "link": "/uitleg/british-berkefeld-alternatief/"
  },
  {
   "question": "Do I need to prime Coldstream FTO PLUS filters?",
   "answer": "No. Unlike the black carbon elements, you don't need to prime ceramic Coldstream filters, and separate fluoride add-on filters aren't necessary either.",
   "questions": {
    "en": "Do I need to prime Coldstream FTO PLUS filters?",
    "de": "Muss ich Coldstream-FTO-PLUS-Filter primen?",
    "nl": "Moet ik Coldstream FTO PLUS filters primen?"
   },
   "link": "/uitleg/filterelement-vervangen/"
  },
  {
   "question": "Does a water filter remove PFAS from tap water?",
   "answer": "Yes, certain water filters can reduce PFAS in tap water. Activated carbon, ion exchange and reverse osmosis are among the methods used for this. How well a specific filter works has to be shown by independent test results.",
   "questions": {
    "en": "Does a water filter remove PFAS from tap water?",
    "de": "Entfernt ein Wasserfilter PFAS aus Leitungswasser?",
    "nl": "Haalt een waterfilter PFAS uit kraanwater?"
   },
   "link": "/uitleg/pfas-uit-kraanwater-filteren/"
  },
  {
   "question": "Is filtering tap water actually necessary?",
   "answer": "No. Dutch tap water meets the legal standards. Filtering is an extra step on top of a high basic quality, or a matter of taste.",
   "questions": {
    "en": "Is filtering tap water actually necessary?",
    "de": "Ist das Filtern von Leitungswasser eigentlich notwendig?",
    "nl": "Is kraanwater filteren eigenlijk nodig?"
   },
   "link": "/uitleg/kraanwater-filteren-nodig/"
  },
  {
   "question": "How often do I need to replace my filter element?",
   "answer": "From six months (Coldstream) to about three years (BOROUX Foundation), depending on brand and use. The lifespan of each element is given in the guide.",
   "questions": {
    "en": "How often do I need to replace my filter element?",
    "de": "Wie oft muss ich mein Filterelement austauschen?",
    "nl": "Hoe vaak moet ik mijn filterelement vervangen?"
   },
   "link": "/uitleg/filterelement-vervangen/"
  },
  {
   "question": "What does a good gravity filter cost?",
   "answer": "Complete systems start at around 315 euros and go up to just over 400 euros for the largest sizes. The elements determine the cost per year.",
   "questions": {
    "en": "What does a good gravity filter cost?",
    "de": "Was kostet ein guter Schwerkraftfilter?",
    "nl": "Wat kost een goed zwaartekrachtfilter?"
   },
   "link": "/uitleg/welk-waterfilter-kopen/"
  },
  {
   "question": "What does a shower filter do?",
   "answer": "It reduces, among other things, chlorine and chlorine by-products in shower water. A shower filter does little against limescale; that is a job for a water softener.",
   "questions": {
    "en": "What does a shower filter do?",
    "de": "Was macht ein Duschfilter?",
    "nl": "Wat doet een douchefilter?"
   },
   "link": "/uitleg/douchefilter-zinvol/"
  },
  {
   "question": "How do I clean my Berkey or BOROUX?",
   "answer": "The chambers with mild soapy water, the elements as instructed, and a thorough clean once a season. Six steps, a quarter of an hour's work.",
   "questions": {
    "en": "How do I clean my Berkey or BOROUX?",
    "de": "Wie reinige ich mein Berkey oder BOROUX?",
    "nl": "Hoe maak ik mijn Berkey of BOROUX schoon?"
   },
   "link": "/uitleg/waterfilter-onderhoud/"
  },
  {
   "question": "Can I take a water filter with me when travelling?",
   "answer": "Yes. There are drinking bottles with a filter element and compact travel systems that fit in a rucksack.",
   "questions": {
    "en": "Can I take a water filter with me when travelling?",
    "de": "Kann ich einen Wasserfilter auf Reisen mitnehmen?",
    "nl": "Kan ik een waterfilter meenemen op reis?"
   },
   "link": "/uitleg/waterfilter-op-reis/"
  }
 ]
}