Lesson 8 of 18

by the end you'll know how the FluoroSpec kit turns invisible lead into a green glow you can see.

  • the three-step process: apply reagent, shine the UV light, read the glow
  • why it glows: a lead-reagent crystal lights up green under UV
  • what surfaces you can test, and what the kit isn't meant for
What is Fluoro-Spec?
Watch first: What is Fluoro-Spec?

Same bowl. Drag to add the UV light.

A thrift-store Pyrex mixing bowl. In normal light it looks fine. Under the Fluoro-Spec reagent and UV, the leaded decoration lights up green. Drag the handle.

Bowl in normal light, no glow Same bowl under UV, decoration glowing green Normal light Fluoro-Spec + UV
FluoroSpec Lead Test Kit

See lead with your own eyes.

FluoroSpec uses a fluorescent chemistry that makes lead glow so you can see it without any instrument.

Get the Kit

Three steps. About 30 seconds.

01
Apply the reagent

Spray or drip the FluoroSpec reagent onto the surface. It binds to any available lead ions in the material.

02
Shine the UV lamp

Point the included 365 nm UV flashlight at the treated spot. If lead is present, that wavelength excites the chemistry and it glows.

03
Watch for the green glow

If lead is present, the surface lights up bright green. No glow means no detectable lead.

The chemistry, simply put.

When the reagent touches lead, it forms a compound called a perovskite. That crystal structure absorbs UV light and re-emits it as visible green light around 530 nanometers. That's the glow you see.

Read the full chemistry breakdown →
365 nm UV Lamp UV in perovskite crystal Pb present 530 nm GREEN GLOW No lead = no crystal = no glow reagent passes through unchanged

Test any surface.

Paint Dishware Plumbing fixtures Toys Dust (use spray) Pottery Ceramics Jewelry

What's in the kit.

Spray Kit

For dust, unknown surfaces, and wide-area screening. Covers more ground, faster.

$50
Get this kit →
Drip Kit

For paint, dishware, plumbing, and anything solid. Precise drop-by-drop application.

$50
Get this kit →

Every kit includes the 96-page Lead Framework PDF, free.

Common questions.

Do I need any special skills?

No. The reagent comes ready to use. Apply, shine the light, read the result. Takes about 30 seconds per surface.

How accurate is it?

FluoroSpec detects lead at concentrations relevant to household exposure. It can distinguish lead-free from lead-containing surfaces in field conditions.

Can I test food or soil?

No. The kit is designed for solid surfaces like paint, ceramics, plumbing, toys, and dust. It is not validated for food, spices, or soil.

What if I see a faint glow?

A faint glow can indicate trace lead. When in doubt, treat the surface as lead-present and consult the Lead Framework PDF included in your kit.

Start testing today.

Ships in 1 to 3 business days.

What you now know

The three things this lesson leaves you with.

  • testing is three steps, about 30 seconds: apply reagent, shine UV light, look for green
  • the glow is a real reaction: reagent binds lead, forms a crystal that re-emits green light
  • the kit works on paint, dishware, plumbing, toys, and dust, not food, spices, or soil

Quick check

Three questions to make it stick. Your answers carry into the final exam at the end.

1. What are the three steps to test a surface with FluoroSpec?

the page lays it out as apply, shine the UV lamp, then watch for the glow, done in about 30 seconds.

2. Why does a lead-containing surface glow green under the UV light?

the reagent and lead form a perovskite structure that absorbs UV and re-emits it as green light around 530 nanometers.

3. What is the FluoroSpec kit NOT validated for testing?

the page is direct about this: the kit is for solid surfaces and isn't validated for food, spices, or soil.