1.0AlpHa Measurehttps://alpha-measure.com/zhrich600338<blockquote class="wp-embedded-content" data-secret="xOew9THBgR"><a href="https://alpha-measure.com/zh/ph/ph-and-swimming-pool-spa/">pH in Pool & Spa</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://alpha-measure.com/zh/ph/ph-and-swimming-pool-spa/embed/#?secret=xOew9THBgR" width="600" height="338" title="《 pH in Pool & Spa 》—AlpHa Measure" data-secret="xOew9THBgR" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! 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); //# sourceURL=https://alpha-measure.com/wp-includes/js/wp-embed.min.js </script>https://alpha-measure.com/wp-content/uploads/2023/07/Pool_Spa-1.jpg500500AlpHa Measurement Solutions |pH in Pool & Spa pH in Pool & Spa The measurement and control of pH is critical to the safety and comfort of the occupants. For example, if the pH is too low, pool and spa occupants may experience skin and eye irritation or even respiratory issues. If the pH is […]