Treats 6,000+ Gallons – This concentrated neon green tracer dye is engineered for efficiency—just 1 oz treats up to 100 gallons of water. One 68 oz bottle covers over 6,000 gallons, making it ideal for everything from pool leak detection and household plumbing to large-scale testing and inspections. High Visibility UV Glow – The fluorescent green dye delivers exceptional visibility in daylight and glows under UV light for low-light or indoor leak detection. Whether you're tracing flow through murky water, underground lines, or a backyard pool, it provides clear, reliable results every time. Non-Staining, Multi-Use Formula – Once diluted, this dye won’t stain most common materials like porcelain, concrete, tile, plaster, PVC, and more! Ideal for plumbing tests, septic tanks, storm drain testing, and flow studies. Also a favorite for fountains, seasonal decor, and Halloween displays where glowing water effects are key. Safe to Use Anywhere – This biodegradable leak detection dye is formulated without phosphates, glycol, or harsh pollutants—making it safe for leak detection and water flow studies. Whether you're working in plumbing, stormwater systems, or decorative fun, it's formulated for results without the mess or worry. Trusted American-Owned Brand – From an American small business dedicated to quality, clarity, and customer service. This professional-grade green water tracer dye delivers dependable results for plumbing pros, inspectors, and DIY users—backed by support that actually shows up when you need it. When it comes to finding hard-to-spot water leaks, you need results you can see—fast. This Concentrated Green Water Tracing Dye is trusted by pros and DIY users for its high-visibility neon formula, generous yield, and non-staining performance across a wide range of applications. Formulated to treat over 6,000 gallons per 68 oz bottle, this dye offers unbeatable value and precision. Whether you're handling household plumbing, testing septic systems, or performing large-scale inspections, the fluorescent green color makes leaks easy to trace—even in low light or murky water. Under UV or black light, it glows brightly to reveal flow paths and leak points. Safe for indoor and outdoor use, this leak detection dye won’t stain most surfaces like porcelain, concrete, tile, plaster, or PVC when properly diluted. It’s ideal for storm drain testing, flow studies, septic inspections, and water feature maintenance. Also a popular choice for glowing fountain effects and seasonal decor. Looking for a pool leak detection dye kit or a refill for your pool leak detection kit? This concentrated tracer dye is the perfect high-volume solution for contractors, inspectors, or pool, spa, and hot tub owners running multiple tests. It pairs seamlessly with any swimming pool leak detector or applicator tools you already have. Whether you're topping off a kit or stocking up for the season, this pool leak dye delivers consistent, visible results at scale. This UV-reactive dye is also a go-to for Halloween displays and haunted house effects. Add glowing green water to fountains, cauldrons, or themed decor with a formula that rinses clean when diluted. It's an easy way to create dramatic seasonal visuals—without the mess or staining. Phosphate-free, glycol-free, and made by an American-owned small business, this professional-grade tracer dye is built for clean, confident results—backed by support you can trust.