Green Tracing Dye - Highly Visible Concentrated Fluorescent Leak Detection Dye - 1 Gallon

Easy to see in daylight. Used it to confirm patency of positive crawl space drain.

Very visible on the ground when I am doing septic inspections.

This worked as we thought a a little bit goes a long way be sure to wear gloves when pouring.

Used this product for tracing sewers in a network-product performs great. Ordered 1 gallon through Amazon previously, this time I ordered 2 and unfortunately 1 of the caps slightly loosened and began leaking. Each of the gallons were in sealed plastic bags but the one bag was not sealed 100% tight. Caught this before it turned into a disaster as this is basically the stuff they dye the Chicago River with on St Patricks day so potential for huge mess. Suggest redundant bags for preventing leaks and bubble wrap when multiple containers sent in same box.

Worked exactly as expected. Was able to find the water seeping into my yard was from the septic system. Did take a little longer to show them thought, but when it did it was very noticeable.

This product was easy to use.

It works!

this looked cool in my fountain under black lights

A little goes a long way, and this stuff does show with UV light as advertised.

used it for halloween / a little goes a long way