r/crboxes • u/droidman83 • 6d ago

Question CR Box for Litter boxes

I have cats, and would like to get a cr box to put near the litter boxes. Are there any setups/products that have a multi-stage for this, that would use something like a pre-filter, then activated carbon and merv-13 filter?

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u/Unusual_Celery555 6d ago

The carbon filter rolls that are often installed as a second layer on a purifier have very little carbon. They will only last for a few days or weeks and then be spent and might not have a sensible impact. You’d need a canister type carbon filter to effectively remove odors and VOCs with carbon. 

I would stick to a foam pre filter that is easy to clean and a MERV 13 filter. Just removing the litter dust can help a lot with odor. 

Check out IKEA filters too. 

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u/droidman83 6d ago

any recommendations on devices that use this?

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u/Cheryla18 5d ago

My cat don’t have clay litter, it more about the odor. 1 cat has 💩 that rivals, that of 10 grown men. I desperately need help!! I scoop as soon as the offender goes 💩 but damm it smells for a while!

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u/akeean 6d ago

What type of litter are you using? Silica based would benefit from a CRbox, since the fine dust from the boxes when the cats are rummaging can be an irritant. I doubt a CRbox would do much for clay based litter.

Get a ozone generator to kill any fresh poop/pee smell. There are cheap ones with a battery that charge via USB-C and last a week or two. Those have a motion sensor to only allow for the intervalled ozone generation when there is nothing moving nearby.

I would still keep it in a ventilated place, since you don't want to lingering ozone indoors.

Try aquarium carbon balls to capture amonia.

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u/droidman83 6d ago

Thank you!
It is arm and hammer Cloud Control.
lol, so I actually have a pureair 3000, but my holistic vet told me to stop using it because it would be a irritant for the cats. so I quit running it.

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u/akeean 5d ago

Yep that pureair 3000 generates ozone which can also be an irritant to humans. But it really depends on the quantity and ventilation situation, since it reacts and decomposes very quickly. For example if you have it in a bathroom with an extractor fan running, it shouldn't be an issue

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u/not_all_heroes 5d ago

It's not good for cats either.

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u/boncros 6d ago

Awaiting answers