1.0UltraSonic Antifouling Ltdhttps://www.ultrasonic-antifouling.com/leisureNickhttps://www.ultrasonic-antifouling.com/leisure/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="it5DTshjOd"><a href="https://www.ultrasonic-antifouling.com/leisure/testimonials/colvic-watson-29/">Colvic Watson 29</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.ultrasonic-antifouling.com/leisure/testimonials/colvic-watson-29/embed/#?secret=it5DTshjOd" width="600" height="338" title="“Colvic Watson 29” — UltraSonic Antifouling Ltd" data-secret="it5DTshjOd" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> https://www.ultrasonic-antifouling.com/leisure/wp-content/uploads/2013/03/colvic_20watson_2029.jpg220283"The Ultra system has considerably reduced the infestation of barnacles and that the performance of the boat did not deteriorate significantly during the season. The system has proved to be effective in discouraging barnacles and other animal marine fouling" Dr. Eshelby-Burnham