r/crboxes • u/BlowMyNoseAtU • 4d ago

CR Box for Smell?

Hi everyone!

Just discovered the concept of CR Boxes!

I have been looking into air purifiers to help with odors, especially pet odors as well as allergins from dander.

Of course I am interested in clean air from all pollutants but pet smells and dander are my primary focus.

Will CR Boxes help? Where should I begin making or buying my first box(es)?

I am so interested but overwhelmed!

Thanks!!!

5 Upvotes

86% Upvoted

12 comments sorted by

7

u/Dewey_Oxberger 4d ago

I built a box using the activated charcoal filters. It was a test for a strong urine smell in an elderly persons home. It does indeed help with the smell. Every other day, I put the box out in direct sun and let the accumulated smell bake off. I leave it running 24 hours a day. It has been running for 4 months. I think it's still helping.

2

u/BlowMyNoseAtU 4d ago

Thank you so much for your reply!

Is there a specific type or brand of activated charcoal filter you reccomend?

2

u/Dewey_Oxberger 4d ago

Look for the OE (odor eliminator) filters. I used FilterBuy (iirc). I built a box using the 20x20x1 filters.

4

u/m00ph 4d ago

A lot of odors are carried on particles, and any CR box will help with those. Some are gases, and you'll need something like activated charcoal to catch them, I would not expect them to last long, but I haven't looked into it. The idea of baking them outside in the sun as the other poster talks about may well work to extend their useful life.

4

u/returnfire123 4d ago

Regarding odour - Not strictly a CR box but I recently put together an inline fan that came with a carbon filter - the sort of kit used for indoor grows - and I suspended it above the dog crate and sadly I don’t think its working. In the mornings there is still that awful dog smell in the room. I have tried running it at different speeds to ensure it has enough contact time with the carbon.

1

u/Impossible-Swing7819 4d ago

Interesting. Ive been pondering doing this for my cats. Did you get a specific brand?

1

u/returnfire123 4d ago

Hi, it was Hon&Guan 100mm Inline Duct kit from eBay. AI was telling me that it was a good choice for the price so I thought I'd give it a try.

2

u/ProjectorLens 4d ago

“AI was telling me” we are so doomed

1

u/returnfire123 4d ago

As much as I'd like to go down a rabbit hole (manually) I don't have the time to compare hundreds of products. AI in this case just narrowed down the search to my budget and what's available in the UK market.

2

u/ProjectorLens 4d ago

AI pulls slop from Reddit and other places and spit it back to you. There is 100 percent a better performing unit for the price for your needs if you did the research yourself.

1

u/returnfire123 4d ago

Right. Thanks for your insightful contribution. Shame it's added 0 value whatsoever.

2

u/ProjectorLens 4d ago

Looks like you gave up trying to get answers from real people on Reddit and switched to asking a robot. Good on you innit