1.0Hahnemühle Bloghttps://blog.hahnemuehle.com/enBarbara Knipperhttps://blog.hahnemuehle.com/en/author/b_knipper/rich600338<blockquote class="wp-embedded-content" data-secret="624LZfbsMt"><a href="https://blog.hahnemuehle.com/en/legionellen-gefahr-in-der-leitung/">Legionella – Invisible danger in the pipeline</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blog.hahnemuehle.com/en/legionellen-gefahr-in-der-leitung/embed/#?secret=624LZfbsMt" width="600" height="338" title="“Legionella – Invisible danger in the pipeline” — Hahnemühle Blog" data-secret="624LZfbsMt" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(d,l){"use strict";var e=!1,o=!1;if(l.querySelector)if(d.addEventListener)e=!0;if(d.wp=d.wp||{},!d.wp.receiveEmbedMessage)if(d.wp.receiveEmbedMessage=function(e){var t=e.data;if(t)if(t.secret||t.message||t.value)if(!/[^a-zA-Z0-9]/.test(t.secret)){for(var r,a,i,s=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),c=0;c<n.length;c++)n[c].style.display="none";for(c=0;c<s.length;c++)if(r=s[c],e.source===r.contentWindow){if(r.removeAttribute("style"),"height"===t.message){if(1e3<(i=parseInt(t.value,10)))i=1e3;else if(~~i<200)i=200;r.height=i}if("link"===t.message)if(a=l.createElement("a"),i=l.createElement("a"),a.href=r.getAttribute("src"),i.href=t.value,o.test(i.protocol))if(i.host===a.host)if(l.activeElement===r)d.top.location.href=t.value}}},e)d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),d.addEventListener("load",t,!1);function t(){if(!o){o=!0;for(var e,t,r,a=-1!==navigator.appVersion.indexOf("MSIE 10"),i=!!navigator.userAgent.match(/Trident.*rv:11\./),s=l.querySelectorAll("iframe.wp-embedded-content"),n=0;n<s.length;n++){if(!(r=(t=s[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(a||i)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> https://blog.hahnemuehle.com/en/wp-content/uploads/sites/12/2014/01/Filtration_Digitalstock_Bakterien-grün_7720881.jpg989742Invisible danger lurks in many domestic bathrooms. Legionella, rod-shaped bacteria colonise in hot water pipes of large houses. The long tubes, in which some water is left, provide ideal breeding grounds. With temperatures around 50 degrees, the bacteria multiply rapidly. In the steam hundreds of bacteria’s can romp around and cause dangerous diseases by inhaling,…