January 6, 2023 – Friday
There’s not much more to say about this. Don’t buy these: https://amzn.to/3Zh0Dbc or these: https://amzn.to/3ZczUwJ They are a total waste of money. They give false positives on many many substrates (including most metal), to the point that they have zero reliability. The only test kits that work well and consistently are LeadCheck swabs and they are only good in certain applications. Please read this for context if you want to know when it might be appropriate to use LeadCheck swabs.