



🛡️ Lead Safe, Stress Free: Protect your space with science-backed speed and precision!
The Scitus Know Understand Lead Test Kit offers 90 vinegar-activated swabs designed for fast, accurate detection of lead on painted surfaces. Made in the USA with rigorous batch traceability, this kit provides a reliable, easy-to-use solution for homeowners, renters, and professionals seeking peace of mind against lead hazards.










| Customer Reviews | 4.4 out of 5 stars 4,680 Reviews |
J**S
Quick, cheap, easy, my positive and negative controls worked.
Refinishing kitchen cabinets on my own and I was reasonable confident that there's no lead, but my house is old, and I can't be sure. (I think the kitchen rebuilt in the 90s, and there's not a lot of paint layers, but i really don't know.) 16$ seemed like a reasonable price for some extra piece of mind. I've read the home kits aren't always accurate, and the only downside would be what to do with a potential false positive, or difficult to interpret color change. The test is easy to use, dip the Q-tip like swab in vinegar, and rub it on the surface for 30 seconds. Then compare to the color chart. (It fades from yellow to a dark pink red) I tested several areas, and the swab stayed an unambiguous yellow. So far so good. My negative control was the clean floor. Next - I tested some solder wire with lead, and it turned a definitive pinkish red. I only gave 4 stars for accuracy, because i don't know for sure. Overall, if you are looking for a cheap, quick, and easy confirmation that your project is probably safe, this is a great kit. I'd probably go with a professional for a major renovation if you had serious concerns that there was lead.
S**E
Works nicely & easy too use!!
Tried the other brand that you only get a couple in the package for nearly $20, and have to break glass tubes inside the cardboard etc etc. Half came dried up, and hurt my hands breaking glass tubes, and the only way to get your money worth was squeezing liquid into a bowl and using your own qtips to get multi uses out of one tube. This other product..... Love them!!!! Come with the dried solution on them bundled in like a pair twisted...... Similar to Snap Pops on the fourth of July. Do in tiny bit of vinegar and rub on your item. I used multiple sides on different items to get even more out of them when no lead was present on the first item. Great price, less mess, less hassle and easy to use!!! It is not easy sometimes to determine the colors difference, but can tell you from experience, when it finds lead, it gets dark. Definitely know when you find lead. Will buy these from now on!!! Highly recommend!!
S**E
Seems to work, but no internal standard and no documented positive or negative predictive values.
Bought a house from the early 70s, unknown if any lead-based paint. Have a baby - got these to check out the paint before removing wallpaper and repainting what will be her nursery. All these test swabs were negative (turned yellow when dipped in white vinegar and stayed yellow after rubbing in chopped areas of paint) BUT my mom-paranoia had me concerned that the tests could be falsely negative since there is no internal test to verify the swabs were working (understandable that you might not want to put a lead something in a kit, I get it). So I bought a lead fishing sinker and the tests swabs turned very obviously purple! I was happy with this but my mom-paranoia would not let me rest before I sanded the dickens out of the nursery before repainting, since I still could not find data on the false negative rate on the product packaging, or much info about the validity of the company on their website. Of note this test is not EPA certified as of my check on their website. So my mom-paranoia made me then get the EPA certified D-Lead tests. The D-Lead test was also negative. So in summary, these tests agreed with the EPA certified tests, but unclear how sensitive they are relative to the certified tests.
N**S
These are the ones to get
I used another generic test kit several years ago after we moved into our historical 1920's house and found no positive lead traces at the time which was cause for relief. I ordered this kit in preparation for stripping and reglazing some of our historical wood windows that need it as I could not recall if I'd tested those on the first round since the paint is outdoors. I got an immediate positive result for lead (to my disappointment!) and proceeded to re-test many other areas of our home we previously believed were safe. Many places were, in fact, totally fine, but I with the SCITUS kit I was able to identify a few additional places where lead was present. I now unfortunately need to deal with lead abatement before I can fix these windows, but I am glad to know and have it removed so it doesn't contaminate our house further. The kit is simple to use - the instructions are clear, and the kit really will be a very easy to identify dark red if lead is present (and will smudge red on the test surface, too). I appreciate the amount of test swabs in the kit as I didn't feel the need to be stingy with my re-testing of many different surfaces around our house.
A**R
Fast, easy to use, and accurate
I just did a test of my outdoor house paint in a house we just purchased that it over 100 years old. Was able to ascertain that there had been lead paint but it had been painted over thickly, to "solve" the issue with non-lead paint. Only it's all flaking off in large square flakes. So the parts that are still solidly painted came up with no lead in them, and only occasionally a slight tinge of the pink color on the surface itself that I was rubbing. The back of the flakes showed dark purple immediately. The result and color change was very quick and clear and the color change on the swab happened instantly. These are really good for this purpose and I would recommend them. I only now need to figure out what to do with the fact that I've got exposed lead paint on the outside of my house!
M**E
Accurate Lead Testing Kit, Quick and Reliable Results...
Tested this kit on multiple surfaces, including some I suspected had traces of lead, and it worked as advertised. Results showed within 30 seconds, and I could easily confirm the presence of lead. The instructions were clear, and with 30 swabs included, I had more than enough to test all the areas I was concerned about. This kit is a "must-have" for anyone looking to identify lead hazards quickly and accurately. Note that lead is NOT only on walls and paint.. A lot of products coming from overseas are testing positive for traces of lead, and inside homes, there may be lead on plumbing, paint, ceramic tiles and glazes in some homes or pottery especially with decorative glazes may contain lead... Plastics/Rubber/Silicone/Electronics etc.. Furniture and antique toys, and get this > Bathtubs, it turns out that older porcelain-coated bathtubs can have lead in the glaze and leak lead over time... In addition: Electronics and Cables: Some older electronics and cables (like power cords) contain lead in their coatings. If in doubt, CHECK IT.. This kit will do that... Good luck.
W**S
Easy-to-Use Lead Tests with One HUGE Limitation
When it comes to ensuring the safety of your home environment, lead testing becomes a top priority. As a registered nurse, I work with many children who have high blood lead levels and thought these would be a great option to recommend to parents to test their home environments and commonly- sourced lead items such as pottery and painted ceramic. These at-home lead tests offer a simple and straightforward testing process. By wetting the provided swab with vinegar and rubbing it against the surface in question, you can determine if lead is present. A color change to pink indicates the presence of lead, while the swab retaining its original color signifies its absence. This straightforward method makes it easy for anyone to perform a quick lead test without requiring specialized knowledge or equipment. The Limitation: Does NOT Work on Ceramic Surfaces!!! One significant drawback worth mentioning is that these lead tests do not work effectively on ceramic surfaces. If your intention is to test ceramic mugs, pottery, or other ceramic items, these tests may not provide accurate results. It's essential to note that the tests are primarily designed for non-ceramic surfaces, such as testing for lead paint on walls or other non-porous materials. Recommendation: Ideal for Non-Ceramic Surfaces While these lead tests may not be suitable for ceramic items, they are still highly recommended for testing non-ceramic surfaces, especially when checking for lead paint or other potential lead-containing materials. The ease of use and relatively accurate results make them a valuable tool for homeowners concerned about lead exposure.
J**.
Great product
Great products the color is amazing. It’s very effective. It seems very quality. It’s easy to use. The size is good. the packaging is very durable. Very easy to test if you have lead paint see my video for more information.
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