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Erva Copper Bird Bath Purification Disk
$15.00
The Erva Copper Purification Disk is a 4" disk of 99.9% pure copper that sits in your bird bath to help keep the water cleaner without chemicals. Three small feet hold it up so its whole surface stays in the water.
Key Features
- 99.9% pure copper: American-made copper from Revere Copper in Rome, New York.
- Raised on three feet: the full surface stays in contact with the water.
- No chemicals: safe for birds that drink and bathe.
- Tarnish is fine: tarnishing does not reduce its effect.
- Fits most baths: a 4" disk sits in nearly any basin.
- Made in the USA: by Erva.
Specifications
| Diameter | 4 in |
| Material | 99.9% pure copper |
| Weight | 0.1 lb |
| Model / SKU | Erva 129601 |
| Brand / Made in | Erva; Made in the USA by Erva in Chicago, Illinois |
Setup & Care Tips
- Set it flat in the deepest part of the basin.
- Keep refreshing the water every few days; the disk helps but doesn't replace cleaning.
- Scrub the basin when you see buildup.
- In winter, pair it with a bird bath de-icer.
FAQ
Does it replace cleaning?
No. It helps keep water cleaner between cleanings; still refresh the water often.
Is it safe for birds?
Yes. It's plain copper with no chemicals.
Should I polish it?
No need. Tarnishing doesn't reduce its effect.
Will it fit my bath?
At 4" across, it fits nearly any bird bath basin.
Tip: Want open water all winter? See our Erva Heated Bird Bath Base.
