{"product_id":"phoenix-systems-500-double-ended-brake-coolant-test-strips-quick-repeatable-corrosion-and-ph-glycol-readings","title":"Phoenix Systems 500 Double-Ended Brake \u0026 Coolant Test Strips — Quick, Repeatable Corrosion and pH\/Glycol Readings","description":"\u003cp\u003e\u003cstrong\u003ePhoenix Systems 500 Double-Ended Brake \u0026amp; Coolant Test Strips are a two-in-one diagnostic strip that quickly reveals brake-fluid corrosion and coolant pH\/glycol levels in about a minute.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eStop guessing when to replace brake fluid or antifreeze. These double-ended strips give visual, repeatable results for both brake fluid corrosion and coolant condition so you can make an informed maintenance decision. They are compatible with DOT 3, 4, and 5.1 brake fluids (including synthetic, low-viscosity, HOAT and OAT formulas) and with all coolant colors and formulations.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these strips show brake fluid condition?\u003c\/h3\u003e\n\n\u003cp\u003eDip the brake-fluid end into the master-cylinder reservoir after removing the cap (engine off). The test pad reacts to corrosion agents: the white pad changes toward purple in proportion to corrosion level, giving an immediate visual indication of fluid degradation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eColor shift from white to purple indicates increased corrosion.\u003c\/li\u003e\n  \u003cli\u003eResults visible in as little as 60–90 seconds.\u003c\/li\u003e\n  \u003cli\u003eWorks with DOT 3, 4, and 5.1 fluids, including synthetic blends.\u003c\/li\u003e\n  \u003cli\u003eRepeatable visual evidence you can photograph or keep for records.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the coolant end test for, and what do the colors mean?\u003c\/h3\u003e\n\n\u003cp\u003eThe coolant end has two reactive pads: one measures glycol concentration and the other measures pH. Glycol color varies from pink to red\/blue depending on percentage, while the pH pad ranges from orange through yellow\/green to indicate acidity or alkalinity.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGlycol indicator shows if antifreeze concentration is low and needs topping or replacing.\u003c\/li\u003e\n  \u003cli\u003epH indicator identifies acidic coolant (below pH 7) that promotes corrosion.\u003c\/li\u003e\n  \u003cli\u003eHelps prevent freeze-related damage and corrosion of pumps, radiators, and heater cores.\u003c\/li\u003e\n  \u003cli\u003eSafe, quick dip in the radiator or overflow tank (do not open a hot radiator).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow fast and reliable are the Phoenix Systems test strips?\u003c\/h3\u003e\n\n\u003cp\u003eThese strips deliver clear, repeatable readings in a short time—typically under 90 seconds—so you can decide whether maintenance is needed without expensive lab tests. The visual color changes are designed to correlate with known chemical markers used by mechanics and service technicians.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMost readings complete within one to one-and-a-half minutes.\u003c\/li\u003e\n  \u003cli\u003eEasy-to-interpret color shifts for common service decisions.\u003c\/li\u003e\n  \u003cli\u003ePack of 100 double-ended strips provides many tests for fleet or home use.\u003c\/li\u003e\n  \u003cli\u003eReduces the need to rely solely on shop recommendations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and store these test strips safely?\u003c\/h3\u003e\n\n\u003cp\u003eUse the brake-fluid end in the brake master cylinder and the coolant end in the radiator or coolant reservoir when the engine is cool. Keep strips dry and sealed until use, avoid contaminating pads, and follow standard safety practices when opening fluid reservoirs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDo not open the radiator cap while the engine is hot—wait for cooling.\u003c\/li\u003e\n  \u003cli\u003eStore strips in a dry, room-temperature environment away from direct sunlight.\u003c\/li\u003e\n  \u003cli\u003eHandle by the nonreactive end to avoid influencing test pads.\u003c\/li\u003e\n  \u003cli\u003eDiscard used strips; one-use only for accurate readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Phoenix Systems 500 Double-Ended Brake \u0026amp; Coolant Test Strips are ideal for DIY mechanics, professional technicians, fleet managers, and anyone who wants objective proof of fluid condition before committing to service. If you perform regular vehicle maintenance, manage multiple vehicles, or simply prefer to verify a shop’s recommendation, these strips deliver fast, visual data to guide brake-fluid and coolant care without guesswork.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e100 double-ended brake fluid + coolant test strips for diagnosing when to change brake fluid and engine coolant\u003c\/li\u003e\n  \u003cli\u003eCompatible with all coolant colors and DOT 3, 4, and 5.1 brake fluids including synthetics, low viscosity, HOAT and OAT\u003c\/li\u003e\n  \u003cli\u003eFinds worn out brake fluid and coolant fast. In as little as 90 seconds.\u003c\/li\u003e\n  \u003cli\u003eProvides visual, repeatable, scientific proof of when to change or not change brake fluid and coolant (anti-freeze)\u003c\/li\u003e\n  \u003cli\u003eThe most trusted, reliable and accurate test for the condition of brake fluid and coolant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use the strips on any coolant color?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The coolant test works with all coolant colors and measures glycol percentage and pH regardless of dye.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long until I see results?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most readings are visible in 60–90 seconds for both brake fluid corrosion and coolant indicators.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Phoenix Systems","offers":[{"title":"Default Title","offer_id":48087753785502,"sku":"B0BWBV7PR7","price":439.43,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/phoenix-systems-front-packaging_f3498d5e-96ba-4dc7-a6c0-6857ede9e422.jpg?v=1785930389","url":"https:\/\/northtrailauto.ca\/products\/phoenix-systems-500-double-ended-brake-coolant-test-strips-quick-repeatable-corrosion-and-ph-glycol-readings","provider":"North Trail Auto","version":"1.0","type":"link"}