Choose Your Testing Method
Three types of kits for different levels of analysis — from quick spot checks to advanced separation testing.
How It Works
Simple, fast, and accurate — results in under 60 seconds.
Place a Small Sample
Use the included test tube or a ceramic testing surface. Only a tiny amount is needed for an accurate reaction.
Apply the Reagent
Add 1–2 drops from the bottle and observe the color change reaction that begins immediately.
Match the Color
Compare the reaction to the included HD color guide booklet or use our free app with 1,300+ verified reaction videos.
Popular Reagent Kits
Each reagent reacts differently — use 2–3 kits together for the most thorough analysis.
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Spot Test Kits
MARQUIS SPOT TEST KIT
$20.00Select options This product has multiple variants. The options may be chosen on the product page -
Spot Test Kits
EHRLICH SPOT TEST KIT
$20.00Select options This product has multiple variants. The options may be chosen on the product page -
Spot Test Kits
SIMON’S SPOT TEST KIT
$20.00Select options This product has multiple variants. The options may be chosen on the product page -
Spot Test Kits
MECKE SPOT TEST KIT
$20.00Select options This product has multiple variants. The options may be chosen on the product page
What Our Community Says
Thousands of verified reviews across all products
"Shipped fast, product works exactly as described. I contacted support with a question and heard back in under an hour. You don't get that kind of service many places."
— Verified Buyer"The kit is great — the bottle of reagent and the little booklet were perfect. The laminated pages and ring-wire binding were great quality."
— Trevor R."Great reagents, work great after getting used to colors. Essential for all your harm reduction needs!"
— Verified Buyer"Affordable, very detailed and clear instructions. Super easy to set up and test. Worked like a charm!"
— Carl Z.



