Green Water Tracing & Leak Detection Flourescent Dye - 1 Gallon

I was very impressed with this fluorescent dye. The green color was easy to see throughout my inground pool, and I was able to locate the leak almost immediately after adding it. The dye spreads well, and a little goes a long way, so the gallon size should last for multiple uses. If you're trying to track down a pool leak, this product makes the process much easier and more effective.

Worked perfect just like it said it wouldn’t do unfortunately I was happy to use it on a new build. They didn’t seal one end of the septic tank. They couldn’t deny now although they tried but the bright green on the ground just proved.

I bought this dye to literally trace water flow. I have an older house that has a concreted-in drain tile under the basement floor dating from the house's construction. I wanted to determine if water pumped into the drain would make its way into a newer drain and sump system that now carries water. I poured 1 pint (probably WAY overkill) of green dye into a hole drilled into the drain through the floor; and then shot a garden hose stream down the hole. After about 15 minutes we saw green swirls of dye in the sump pit, so HURRAY we had a connection. I saw green dyed water in the yard at the sump outlet for several days afterward. We found the dye does glow under UV when extremely dilute in water well before white light reveals the dye. This stuff is very strong/concentrated and I can believe that it works well in Halloween vomit projects. :) It seems strong enough to trace small streams and sewer leaks. A crude but effective tool.

Got this for a puking skeleton Halloween decoration, and it worked amazing! Brighter and longer-lasting than the expensive dye I used before, and I still have half left for next year. Highly recommend!

I am not a plumber and I didnt know what options existed to help me find out where my sump pump discharged to, but this product did exactly what I needed it to. I was a bit confused when the product arrived and was a dark red liquid in the bottle, but as soon as it touches water it turned green. I did buy a UV flashlight at the same time as buying this because I assumed it was needed, but for my use case the green color was enough for me to see in a storm drain outside my house without using the flashlight. This was a great low cost solution and saved me from having to rent plumbing hardware or higher a professional. Awesome solution!

Worked great !

I bought this product for a Halloween project. Although not the intended use. It’s perfect! And I only needed less than a cup to turn the entire pond water bright green. Glows great under Uv light too. Bonus - it did help me locate a leak in my pond I didn’t know I had!

Didn't have to use a lot. I poured maybe a cup in the drain. We were trying to determine where a basement drain came out at. This stuff worked like a charm. It did flow onto concrete and didn't stain or leave any color.