A very small sample is sufficient. In general, your sample should be about this size: (●)
Pill: Scrape off about 5% of the pill.
Powder: Use a few grains, about the size of a pinhead.
Paper: Cut off a small corner.
Liquid: Place a couple of drops on a small piece of uncoated paper.
How much testing liquid should I use on my sample?
One or two drops of the reagent is enough.
How reliable are the tests?
While reagent testing is the best method for on-the-spot testing, it is never 100% conclusive. Don’t let anyone tell you otherwise. There are many variables that can impact what the reaction looks like. Lighting, impurities, and unwanted substances in your sample may all play a role.
What’s that powdery substance inside the white container that came with my kit?
The powdery substance in the white jar is an absorbent material. In the off-chance that there’s a spill during transport, it prevents the reagent from doing any damage to its surroundings. We include it as an extra precaution. You can also conduct your tests over the jar so that if a drop misses the testing vial, the reagent will land onto the absorbent material.
How long does the testing liquid last before it goes bad?
Our reagents come in durable glass bottles that don’t react with the liquid. The testing liquid will last a long time (over 2 years) if you store it appropriately. An exception is the Ehrlich reagent (LSD test), which lasts about 6 months.
· Store reagents at a cool temperature, between 2°–10°C (36°–50°F). If that’s not possible, try storing at a consistent temperature in the range of 2°–22°C (36°–72°F). Extreme temperature fluctuations (say from a fridge to a hot car trunk), can cause reagents to deteriorate.
· Store the bottle upright.
· Keep out of prolonged direct sunlight.
· Replace caps immediately and tighten them carefully so that exposure to air and humidity is limited.
· If you have more than one reagent, avoid switching bottle caps!
Are your test kits legal?
Yes. Our test kits do not contain any controlled substances or materials.