{"id":21125,"date":"2026-02-25T08:00:07","date_gmt":"2026-02-25T07:00:07","guid":{"rendered":"https:\/\/hycleaner.de\/?p=21125"},"modified":"2026-07-13T15:56:06","modified_gmt":"2026-07-13T13:56:06","slug":"water-pressure-and-water-volume-for-cleaning-large-pv-systems","status":"publish","type":"post","link":"https:\/\/hycleaner.de\/en\/expert-knowledge\/water-pressure-and-water-volume-for-cleaning-large-pv-systems\/","title":{"rendered":"Water pressure and water volume for cleaning large PV systems"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21125\" class=\"elementor elementor-21125 elementor-21124\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-72c12fd7 e-con-full e-flex e-con e-parent\" data-id=\"72c12fd7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-667292ca e-con-full e-flex e-con e-child\" data-id=\"667292ca\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1bdd7d85 elementor-widget elementor-widget-image\" data-id=\"1bdd7d85\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2560\" height=\"867\" src=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/02\/header-naesse-3840x1300-01-scaled.webp\" class=\"attachment-full size-full wp-image-21891\" alt=\"\" srcset=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/02\/header-naesse-3840x1300-01-scaled.webp 2560w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/02\/header-naesse-3840x1300-01-300x102.webp 300w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/02\/header-naesse-3840x1300-01-1024x347.webp 1024w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/02\/header-naesse-3840x1300-01-768x260.webp 768w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/02\/header-naesse-3840x1300-01-1536x520.webp 1536w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/02\/header-naesse-3840x1300-01-2048x693.webp 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-587ec6b7 e-flex e-con-boxed e-con e-child\" data-id=\"587ec6b7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c6c2ba8 e-flex e-con-boxed e-con e-child\" data-id=\"c6c2ba8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-68dfa522 category-tag elementor-widget elementor-widget-post-info\" data-id=\"68dfa522\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-d4e9e0c elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/hycleaner.de\/en\/tag\/practical-knowledge\/\" class=\"elementor-post-info__terms-list-item\">Practical Knowledge<\/a>, <a href=\"https:\/\/hycleaner.de\/en\/tag\/pv-cleaning\/\" class=\"elementor-post-info__terms-list-item\">PV Cleaning<\/a>, <a href=\"https:\/\/hycleaner.de\/en\/tag\/water\/\" class=\"elementor-post-info__terms-list-item\">Water<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ca8d136 category-tag ausblenden elementor-widget elementor-widget-post-info\" data-id=\"7ca8d136\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-d4e9e0c elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<span class=\"elementor-post-info__terms-list-item\">Expert Knowledge<\/span>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c8a491c elementor-widget elementor-widget-post-info\" data-id=\"3c8a491c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-ac88f4a elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>Wed 25.02.2026<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-9b65b57 elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\t3 Minuten\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-77d7b994 e-flex e-con-boxed e-con e-child\" data-id=\"77d7b994\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-344e00e6 elementor-author-box--avatar-yes elementor-author-box--name-yes elementor-widget elementor-widget-author-box\" data-id=\"344e00e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div  class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/294cf9ef1e45e8184b8ff2a1fb711c8b4c7b84cac705dc8e634d0e83fd16b994?s=300&#038;d=mm&#038;r=g\" alt=\"Picture of Josha Kneiber, Gesch\u00e4ftsf\u00fchrer hyCLEANER\" loading=\"lazy\">\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<h4 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tJosha Kneiber, Gesch\u00e4ftsf\u00fchrer hyCLEANER\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3fe3fc09 e-flex e-con-boxed e-con e-child\" data-id=\"3fe3fc09\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-317e5f2c elementor-widget elementor-widget-breadcrumbs\" data-id=\"317e5f2c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/hycleaner.de\/en\/\">Startseite<\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-437d9c86 elementor-widget__width-initial elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"437d9c86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Water pressure and water volume for cleaning large PV systems<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0a8ffb1 e-flex e-con-boxed e-con e-parent\" data-id=\"0a8ffb1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-031f898 elementor-widget elementor-widget-heading\" data-id=\"031f898\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Problem: Poor cleaning due to incorrect water usage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-910a012 elementor-widget elementor-widget-text-editor\" data-id=\"910a012\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Operators of large photovoltaic systems face a recurring technical problem:<\/p><ul><li>Many cleaning methods use too little water or utilize high-pressure cleaners \u2013 which may seem powerful for solar modules, but can damage the sensitive glass surface.<\/li><li>Pure low pressure on smooth PV surfaces can cause abrasion from dirt particles without a sufficient water volume, instead of dissolving them.<\/li><li>Furthermore, height differences and long hose distances lead to water pressure losses that reduce the cleaning effect.<\/li><li>Incorrectly sized hoses further reduce water throughput and thus the cleaning performance.<\/li><\/ul><p>\u2192 Studies on PV cleaning techniques recommend adjusted water volumes and suitable pressure to optimize cleaning efficiency and module protection.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-401bd84 elementor-widget elementor-widget-heading\" data-id=\"401bd84\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Solution: Low pressure + sufficient water volume + correct hose technology<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8107d2 elementor-widget elementor-widget-text-editor\" data-id=\"f8107d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>lore<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a2cbaa elementor-widget elementor-widget-heading\" data-id=\"2a2cbaa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Pre-cleaning and main cleaning with water<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1ea091 elementor-widget elementor-widget-text-editor\" data-id=\"e1ea091\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For optimal results, pre-cleaning and main cleaning with water is recommended, ideally with osmosis water:<\/p><p>Osmosis water is free of salts, minerals, and residues, offering a gentle yet effective cleaning without additives.<\/p><p>The filtered water creates a flushing effect that gently dissolves dirt without rubbing.<\/p><p>Benefit: Gentle removal of dirt, lower risk of scratching, and less post-cleaning required.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0546511 elementor-widget elementor-widget-heading\" data-id=\"0546511\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Low-pressure range instead of high pressure<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d75cec elementor-widget elementor-widget-text-editor\" data-id=\"3d75cec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tSolar cleaning robots work effectively in the low-pressure range (approx. 2\u20134 bar) \u2013 this is roughly the same as a standard tap connection. Low-pressure cleaning ensures the surface of the modules is not damaged. \n\nBenefit: Gentle cleaning without risk to module glass or seals.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b7a7b9 elementor-widget elementor-widget-heading\" data-id=\"7b7a7b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. Consider water pressure losses and hose diameter<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-886e2cc elementor-widget elementor-widget-text-editor\" data-id=\"886e2cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tPressure losses are caused by:\n\nHeight differences: Rule of thumb: ~1 bar pressure loss per 10 m height\n\nLong hose lengths and small internal diameters: reduce water throughput\n\nhyCLEANER recommends supply hoses with an internal diameter of at least 10 mm for the solarROBOT series to ensure sufficient water flow.\n\nBenefit: Constant water pressure and higher cleaning effect across the entire system.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3fef765 faq elementor-widget elementor-widget-heading\" data-id=\"3fef765\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Advantages of the correct water strategy<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-648f688 elementor-widget elementor-widget-html\" data-id=\"648f688\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<!-- Elementor: in ein HTML-Widget einf\u00fcgen -->\n<div class=\"hv-tablewrap\">\n\n  <!-- Desktop\/Tablet: Tabelle -->\n  <table class=\"hv-table\">\n    <thead>\n      <tr>\n        <th>Challenge<\/th>\n        <th>Solution<\/th>\n        <th>Result<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td>Dirt rubs instead of dissolving<\/td>\n        <td>Osmosis water + sufficient water volume<\/td>\n        <td>Less abrasion & cleanliness<\/td>\n      <\/tr>\n      <tr>\n        <td>Pressure losses<\/td>\n        <td>Correct hose + pressure planning<\/td>\n        <td>Uniform cleaning<\/td>\n      <\/tr>\n      <tr>\n        <td>Module risks<\/td>\n        <td>Low pressure instead of high pressure<\/td>\n        <td>No surface damage<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n\n  <!-- Mobile: Accordion (ohne JS) -->\n  <div class=\"hv-accordion\" aria-label=\"Herausforderung \/ L\u00f6sung \/ Ergebnis\">\n    <details class=\"hv-item\">\n      <summary class=\"hv-summary\">Dirt rubs instead of dissolving<\/summary>\n      <div class=\"hv-content\">\n        <div class=\"hv-row\">\n          <div class=\"hv-label\">Solution<\/div>\n          <div class=\"hv-value\">Osmosis water + sufficient water volume<\/div>\n        <\/div>\n        <div class=\"hv-row\">\n          <div class=\"hv-label\">Result<\/div>\n          <div class=\"hv-value\">Less abrasion & cleanliness<\/div>\n        <\/div>\n      <\/div>\n    <\/details>\n\n    <details class=\"hv-item\">\n      <summary class=\"hv-summary\">Pressure losses<\/summary>\n      <div class=\"hv-content\">\n        <div class=\"hv-row\">\n          <div class=\"hv-label\">Solution<\/div>\n          <div class=\"hv-value\">Correct hose + pressure planning<\/div>\n        <\/div>\n        <div class=\"hv-row\">\n          <div class=\"hv-label\">Result<\/div>\n          <div class=\"hv-value\">Uniform cleaning<\/div>\n        <\/div>\n      <\/div>\n    <\/details>\n\n    <details class=\"hv-item\">\n      <summary class=\"hv-summary\">Module risks<\/summary>\n      <div class=\"hv-content\">\n        <div class=\"hv-row\">\n          <div class=\"hv-label\">Solution<\/div>\n          <div class=\"hv-value\">Low pressure instead of high pressure<\/div>\n        <\/div>\n        <div class=\"hv-row\">\n          <div class=\"hv-label\">Result<\/div>\n          <div class=\"hv-value\">No surface damage<\/div>\n        <\/div>\n      <\/div>\n    <\/details>\n  <\/div>\n\n<\/div>\n\n<style>\n\/* Wrapper *\/\n.hv-tablewrap { width: 100%; }\n\n\/* Tabelle (Desktop\/Tablet) *\/\n.hv-table{\n  width: 100%;\n  border-collapse: collapse;\n  table-layout: fixed;\n  border: 1px solid #e8e8e8;\n  border-radius: 12px;\n  overflow: hidden; \/* wirkt je nach Browser nur mit wrapper; ist ok *\/\n}\n.hv-table th, .hv-table td{\n  padding: 18px 16px;\n  border-bottom: 1px solid #efefef;\n  vertical-align: top;\n  word-wrap: break-word;\n}\n.hv-table thead th{\n  font-weight: 700;\n  text-align: left;\n  background: #fafafa;\n}\n.hv-table tbody tr:last-child td{ border-bottom: 0; }\n\n\/* Accordion (Mobile) *\/\n.hv-accordion{ display: none; }\n.hv-item{\n  border: 1px solid #e8e8e8;\n  border-radius: 12px;\n  overflow: hidden;\n  background: #fff;\n  margin: 0 0 12px 0;\n}\n.hv-summary{\n  list-style: none;\n  cursor: pointer;\n  padding: 16px;\n  font-weight: 700;\n  background: #fafafa;\n  position: relative;\n}\n.hv-summary::-webkit-details-marker{ display: none; }\n.hv-summary:after{\n  content: \"\u25be\";\n  position: absolute;\n  right: 16px;\n  top: 50%;\n  transform: translateY(-50%);\n  font-size: 14px;\n}\ndetails[open] .hv-summary:after{ content: \"\u25b4\"; }\n\n.hv-content{ padding: 12px 16px 16px; }\n.hv-row{ margin-top: 10px; }\n.hv-label{ font-size: 12px; text-transform: uppercase; letter-spacing: .04em; opacity: .7; }\n.hv-value{ margin-top: 4px; font-size: 14px; line-height: 1.45; }\n\n\/* Breakpoint: Mobile -> Accordion, Tablet\/Desktop -> Tabelle *\/\n@media (max-width: 767px){\n  .hv-table{ display: none; }\n  .hv-accordion{ display: block; }\n}\n\n\/* Optional: Wenn du Accordion auch auf Tablet willst, nimm stattdessen:\n@media (max-width: 1024px){ ... }\n*\/\n<\/style>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0cd5072 elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"0cd5072\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/expert-knowledge\/cleaning-solar-panels-5-practical-tips\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Back to article<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5ff38d40 e-flex e-con-boxed e-con e-parent\" data-id=\"5ff38d40\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ca45eff faq elementor-widget elementor-widget-heading\" data-id=\"4ca45eff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ABOUT THE hyCLEANER EDITORIAL TEAM<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34363481 elementor-author-box--avatar-yes elementor-author-box--name-yes elementor-widget elementor-widget-author-box\" data-id=\"34363481\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div  class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/294cf9ef1e45e8184b8ff2a1fb711c8b4c7b84cac705dc8e634d0e83fd16b994?s=300&#038;d=mm&#038;r=g\" alt=\"Picture of Josha Kneiber, Gesch\u00e4ftsf\u00fchrer hyCLEANER\" loading=\"lazy\">\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<h4 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tJosha Kneiber, Gesch\u00e4ftsf\u00fchrer hyCLEANER\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ee0668 elementor-widget elementor-widget-text-editor\" data-id=\"3ee0668\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>The hyCLEANER editorial team<\/strong> brings together internal subject matter experts from various company departments \u2013 from practical application and technical development to sales and customer consulting. Together, they pursue the goal of presenting complex topics related to the cleaning of photovoltaic systems, glass surfaces, and facades in an understandable, practical, and compact way. The content is based on many years of industry experience, technical expertise, and insights from daily use in the field.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c04a79f faq elementor-widget elementor-widget-heading\" data-id=\"7c04a79f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Areas of expertise:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38a12635 elementor-widget elementor-widget-text-editor\" data-id=\"38a12635\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/hycleaner.de\/en\/solar-cleaning\/\">PV cleaning<\/a> | <a href=\"https:\/\/hycleaner.de\/en\/glass-roof-cleaning\/\">Glass and facade cleaning<\/a> | <a href=\"https:\/\/hycleaner.de\/en\/cleaning-robots\/\">Cleaning robotics<\/a> | Industrial cleaning<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28fe6acc elementor-widget elementor-widget-text-editor\" data-id=\"28fe6acc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Last technically reviewed: 2026-06-17<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Efficient, safe, and sustainable \u2013 but how do professionals really clean their PV systems correctly? Find out which methods deliver optimal results and what matters. <\/p>\n","protected":false},"author":11,"featured_media":28151,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[116],"tags":[351,240,352],"class_list":["post-21125","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-expert-knowledge","tag-practical-knowledge","tag-pv-cleaning","tag-water"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Water pressure &amp; water volume for solar cleaning<\/title>\n<meta name=\"description\" content=\"Learn how the correct water volume, low pressure &amp; suitable hose technology make solar cleaning efficient &amp; gentle.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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