VEOL Humidifier Cleaner, Universal, Compatible with GENIANI, LEVOIT, Everlasting, Demineralization Cartridge for Humidifier, Fish Tank & Humidifier Treatment (Pack of 5)

Unique way to keep the humidifier clean.I like that this product. Was very easy to use. I literally filled my humidifier and dropped it inside.

I originally ordered these to use in the fish tank until I read that they can be used in the humidifier.  I have a 1-gallon humidifier that I run in my 10-year-old grandson's bedroom during the cold months as he gets serious nosebleeds from the dryness of the air due to our heating system.  I had been using the ball type with the little handle on top which cleans but I always found residue and cleaned the humidifier every few days because I was paranoid that mold would form.  You get 5 of these cartridges for $11.97 which is an excellent cost as a 2-pack of the ball type at Home Depot was roughly $10. I have been using the VEOL cleaner beads for a month and a half and just discarded the first one, cleaned the humidifier tank, and dropped in the second one.  So far the first one kept the humidifier very clean.  Instead of cleaning it every few days, I am only cleaning it once a week and when I do clean it I am not finding any serious residue. I have a high-end entire house water system that helps but if left to long the humidifier tank will still grow mold and accumulate debris.  I will continue to use these as the five cartridges will last 240 days which is roughly just about how many days I need until warm weather comes and the humidity increases.  I feel confident that these really work as described and will continue to use these as having them on hand is a stress release on my end.  I will update my review if anything changes.

Only giving one star because I can’t give zero I’ve had these in my humidifier numerous times, and each time they literally do nothing .. there’s little calcium deposit build ip, sludge build up - literally did nothing

When running my humidifier, I was getting a white powder all over everything from it. It needs to run 24/7 though. Once I received these, I did a thorough cleaning of the room to see the difference.These are supposed to just sit in the bottom of the humidifier tank. I used two for the size tank I have. After placing them in the tank, I continued to use the humidifier for a few weeks to see if there's any difference. It seems like there's less white powder on things, but it's hard to tell. It definitely didn't cut out ALL the minerals from the water if anything.It's hard to make a recommendation for these. It seems like they MAY have worked, but we also got a new water filter installed, so it may be that as well. Even so, I guess I expected no other minerals from the humidifier, but maybe I expected too much.

I live in the country and have very mineral rich water. I also have to run humidifiers constantly throughout the winter. I was constantly battling the white powder residue covering all surfaces in my house requiring constant dusting! These have SIGNIFICANTLY cut down on the residue. Highly recommend if you have this issue!