{"id":3679,"date":"2025-09-25T15:12:15","date_gmt":"2025-09-25T05:12:15","guid":{"rendered":"https:\/\/www.nqpetro.com.au\/shop\/?p=3679"},"modified":"2025-10-22T06:38:42","modified_gmt":"2025-10-21T20:38:42","slug":"how-to-detect-water-in-fuel-using-water-finding-paste","status":"publish","type":"post","link":"https:\/\/www.nqpetro.com.au\/shop\/how-to-detect-water-in-fuel-using-water-finding-paste\/","title":{"rendered":"How to Detect Water in Fuel Using Water Finding Paste"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Why Detect Water in Fuel?<\/h2>\n\n\n\n<p>Detecting the presence of water early is essential to protect your equipment and maintain fuel quality.<br>Water in fuel tanks is a serious issue. Even small amounts of water can lead to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Engine damage<\/strong> and reduced performance<\/li>\n\n\n\n<li><strong>Corrosion<\/strong> of tanks and components<\/li>\n\n\n\n<li><strong>Microbial growth<\/strong> (commonly known as diesel bug)<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What is Water Finding Paste?<\/h2>\n\n\n\n<p>Water finding paste is a specialised compound containing dyes and chemical indicators.<br>When applied to a dipstick or gauging tape and lowered into a tank, the paste reacts with <strong>water<\/strong> \u2014<br>not fuel \u2014 changing colour instantly to show if water is present at the bottom of the tank.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sar-gel-water-finding-paste-demo.jpg\" alt=\"How to detect water in fuel\" class=\"wp-image-3682\" style=\"width:235px;height:auto\" srcset=\"https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sar-gel-water-finding-paste-demo.jpg 600w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sar-gel-water-finding-paste-demo-300x300.jpg 300w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sar-gel-water-finding-paste-demo-150x150.jpg 150w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sar-gel-water-finding-paste-demo-100x100.jpg 100w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Water Finding Pastes<\/h2>\n\n\n\n<p>At <strong>Nqpetro<\/strong>, we recommend three proven products for reliable detection:<\/p>\n\n\n\n<div class=\"wp-block-group alignfull is-content-justification-center\" style=\"margin-top:0;margin-bottom:0;padding-top:calc( 0.5 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)));padding-right:var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal));padding-bottom:calc( 0.5 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)));padding-left:var(--wp--style--root--padding-left, var(--wp--custom--gap--horizontal))\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-b073b61b wp-block-group-is-layout-constrained\">\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:calc( 0.25 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)))\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kolor Kut Water Finding Paste<\/strong><\/li>\n\n\n\n<li><strong>Gasoila Water Finding Paste<\/strong><\/li>\n\n\n\n<li><strong>SAR-GEL Water Finding Paste<\/strong><\/li>\n<\/ul>\n\n\n\n<p>All three pastes change colour when they come into contact with water. While the exact colour results differ, they all achieve the same purpose \u2014 accurate detection of the presence of water in fuel tanks.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" data-id=\"2326\" src=\"https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2024\/08\/Gasoila-water-finding-paste-box___62892-300x300-1.webp\" alt=\"Gasoila Water Finding Paste\" class=\"wp-image-2326\" srcset=\"https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2024\/08\/Gasoila-water-finding-paste-box___62892-300x300-1.webp 600w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2024\/08\/Gasoila-water-finding-paste-box___62892-300x300-1-300x300.webp 300w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2024\/08\/Gasoila-water-finding-paste-box___62892-300x300-1-100x100.webp 100w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2024\/08\/Gasoila-water-finding-paste-box___62892-300x300-1-150x150.webp 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\"><strong>Gasoila<\/strong><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" data-id=\"2328\" src=\"https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2024\/08\/KKWFP-1.webp\" alt=\"Kolor Kut Water Finding Paste\" class=\"wp-image-2328\" srcset=\"https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2024\/08\/KKWFP-1.webp 600w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2024\/08\/KKWFP-1-300x300.webp 300w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2024\/08\/KKWFP-1-100x100.webp 100w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2024\/08\/KKWFP-1-150x150.webp 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\"><strong>Kolor Kut<\/strong><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"3684\" src=\"https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sargel-water-finding-paste-1024x1024.jpg\" alt=\"Sargel water finding paste\" class=\"wp-image-3684\" srcset=\"https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sargel-water-finding-paste-1024x1024.jpg 1024w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sargel-water-finding-paste-300x300.jpg 300w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sargel-water-finding-paste-150x150.jpg 150w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sargel-water-finding-paste-768x768.jpg 768w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sargel-water-finding-paste-1536x1536.jpg 1536w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sargel-water-finding-paste-600x600.jpg 600w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sargel-water-finding-paste-100x100.jpg 100w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/09\/Sargel-water-finding-paste.jpg 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><strong>SAR-GEL<\/strong><\/figcaption><\/figure>\n<\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Who Should Use Water Finding Paste?<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/01\/Untitled-design-20.png\" alt=\"Self Bunded Tank\" class=\"wp-image-3109\" style=\"width:369px;height:auto\" srcset=\"https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/01\/Untitled-design-20.png 600w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/01\/Untitled-design-20-300x300.png 300w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/01\/Untitled-design-20-100x100.png 100w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/01\/Untitled-design-20-150x150.png 150w, https:\/\/www.nqpetro.com.au\/shop\/wp-content\/uploads\/2025\/01\/Untitled-design-20-400x400.png 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<p>Water finding paste is a must-have tool for anyone storing or dispensing fuel. It is widely used in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.nqpetro.com.au\/shop\/product-category\/tanks\/self-bunded-tanks\/\"><strong>Self-bunded tanks<\/strong><\/a><\/li>\n\n\n\n<li><strong>Underground storage tanks<\/strong><\/li>\n\n\n\n<li><strong>Retail fuel sites and service stations<\/strong><\/li>\n\n\n\n<li><strong>Commercial and industrial fuel tanks<\/strong><\/li>\n\n\n\n<li><strong>Backup generator tanks<\/strong><\/li>\n\n\n\n<li><strong>Transport, marine, and aviation applications<\/strong><\/li>\n<\/ul>\n\n\n\n<p>If you rely on clean fuel to keep your operation running, water finding paste provides a fast, low-cost way to monitor tank conditions.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">How to Use Water Finding Paste<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Apply a thin, even film of paste to a <strong>clean, dry dipstick or gauging tape<\/strong>, covering the section where water is expected.<\/li>\n\n\n\n<li>Lower the dipstick into the tank until it touches the bottom.<\/li>\n\n\n\n<li>Leave in place for <strong>5\u201310 seconds<\/strong>.<\/li>\n\n\n\n<li>Remove and check for a <strong>clear colour change<\/strong>, which reveals the water level.<\/li>\n<\/ol>\n\n\n\n<div style=\"max-width:800px; margin:0 auto;\">\n    <div style=\"position:relative; padding-bottom:56.25%; height:0; overflow:hidden;\">\n        <iframe \n            src=\"https:\/\/www.youtube.com\/embed\/89oNfefb2yc\" \n            style=\"position:absolute; top:0; left:0; width:100%; height:100%; border:0;\" \n            allowfullscreen>\n        <\/iframe>\n    <\/div>\n<\/div>\n\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Best Practices for Reliable Results<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Always use fresh paste \u2014 dried-out paste may not respond accurately.<\/li>\n\n\n\n<li>Clean and dry your dipstick before each test.<\/li>\n\n\n\n<li>Record readings to track tank conditions over time.<\/li>\n\n\n\n<li>Perform checks regularly, especially after <strong>fuel deliveries or heavy rainfall<\/strong>.<\/li>\n\n\n\n<li>If the dipstick is removed <strong>too quickly<\/strong>, the paste may not fully react, leading to a false negative.<\/li>\n\n\n\n<li>If left in the tank <strong>too long<\/strong>, colour bleeding can obscure the water line.<\/li>\n\n\n\n<li>For best accuracy, follow manufacturer instructions and read the results promptly.<br><br><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Detecting Water in Ethanol Blends (E10)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In <strong>straight gasoline or diesel<\/strong>, water does not mix with fuel and usually settles at the bottom of the tank.<\/li>\n\n\n\n<li>In <strong>E10 ethanol-blended fuels<\/strong>, even small amounts of water can cause <strong>phase separation<\/strong>. This happens when ethanol and water drop out of the blend, forming a separate ethanol-water layer at the bottom of the tank.<\/li>\n\n\n\n<li>If this layer reaches the pump suction, it can be dispensed into vehicles, leading to <strong>stalling, knocking, and poor performance<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p><strong>BP laboratory tests<\/strong> have shown that Gasoila Water Finding Paste is more reliable under varying humidity and temperature conditions, making it a trusted option for ethanol-blended fuels.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Buy Water Finding Paste in Australia<\/h2>\n\n\n\n<p>Nqpetro is an Australian distributor for Gasoila Water Finding Paste and also supplies Kolor Kut and SAR-GEL.<\/p>\n\n\n\n<div style=\"height:58px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\">Shop Online<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Why Detect Water in Fuel? Detecting the presence of water early is essential to protect your equipment and maintain fuel quality.Water in fuel tanks is&#8230;<\/p>\n","protected":false},"author":7,"featured_media":3691,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[122],"class_list":["post-3679","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorised","tag-water-finding-paste"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Detect Water in Fuel | Water Finding Paste<\/title>\n<meta name=\"description\" content=\"Learn how to detect the presence of water in fuel tanks with Kolor Kut, Gasoila, and SAR-GEL water finding paste.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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