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Author Comment Last activity Moderation
Bronwen "@warren I do, but she's a little off the grid at the moment. She said she'd be able to get back into this in the fall! " | Read more » over 5 years ago
warren "@bronwen do you have a contact with Franciska from the Barnraising who might be able to chime in on this thread? " | Read more » over 5 years ago
Ag8n "The problem is the dilute vinegar they provide won't penetrate all materials ( i.e. Not all kinds of paint, not all kinds of plastic, etc.). So yo..." | Read more » over 5 years ago
read_holman "Sources / links. It all feels a bit insufficiently conclusive to me. Store-Bought Lead Tests: Are They Worth It? Analysis of the top three home-te..." | Read more » over 5 years ago
read_holman "Howdy --- This thread is a bit old but it's left unresolved. I have a little experience in this space, both in my playing with these lead testing s..." | Read more » over 5 years ago
warren "Hi Don - why would they be unreliable; false positives? Poor calibration? Any links I could read up on? " | Read more » almost 9 years ago
mrericsully "The sodium rhodizonat isn't toxic according to the SDS I just looked at. The cost of the chemical itself might be a little prohibitive, but search..." | Read more » almost 10 years ago
warren "Wow, mrericsully - interesting. Is sodium rhodizonate toxic itself? Could any be obtained easily and safely to make such strips ourselves? I also ..." | Read more » almost 10 years ago
donblair "I wonder how reliable these test strips are for lead; I've heard that some of the less expensive colorimetric techniques like this are pretty unrel..." | Read more » almost 10 years ago
mrericsully "It is possible to recreate. This particular kit looks like it uses sodium rhodizonate. However all that is necessary is something that reacts wit..." | Read more » about 10 years ago