Our unique formulation means that we are fully compliant with all UK laws and require no special registration or licences to use. (Most non-UK suppliers sell liquid reagent tests which are not compliant with the Offensive Weapons Act 2019.)
This is selected by you when you pay. Our fastest shipping is one working day. For shipping & delivery information check out our shipping page.
Definitely! We love helping people interpret their results.
It will produce a mixture of the colours – a lot like mixing two colours of paint. If you have a powder or crystalline substance with two different looking types of crystal, try to separate them and test them individually.
Use aspirin, paracetamol or ibuprofen to see if you get a colour change. Different tests go off at different speeds.
About 12 months if the lid is properly secured and they are kept in the fridge. They last about half as long if stored at room temperature. Temperature, moisture and oxygen all affect shelf life.
Wear gloves. Submerge the bottle in cold water and open the lid. Empty the bottle and leave for 5 minutes. Pour the water down the drain, put the granules in the bin.
faqpage at reagent-tests.uk