Anchor ads are not supported on this page.

4S Ranch Allied Gardens Alpine Baja Balboa Park Bankers Hill Barrio Logan Bay Ho Bay Park Black Mountain Ranch Blossom Valley Bonita Bonsall Borrego Springs Boulevard Campo Cardiff-by-the-Sea Carlsbad Carmel Mountain Carmel Valley Chollas View Chula Vista City College City Heights Clairemont College Area Coronado CSU San Marcos Cuyamaca College Del Cerro Del Mar Descanso Downtown San Diego Eastlake East Village El Cajon Emerald Hills Encanto Encinitas Escondido Fallbrook Fletcher Hills Golden Hill Grant Hill Grantville Grossmont College Guatay Harbor Island Hillcrest Imperial Beach Imperial Valley Jacumba Jamacha-Lomita Jamul Julian Kearny Mesa Kensington La Jolla Lakeside La Mesa Lemon Grove Leucadia Liberty Station Lincoln Acres Lincoln Park Linda Vista Little Italy Logan Heights Mesa College Midway District MiraCosta College Miramar Miramar College Mira Mesa Mission Beach Mission Hills Mission Valley Mountain View Mount Hope Mount Laguna National City Nestor Normal Heights North Park Oak Park Ocean Beach Oceanside Old Town Otay Mesa Pacific Beach Pala Palomar College Palomar Mountain Paradise Hills Pauma Valley Pine Valley Point Loma Point Loma Nazarene Potrero Poway Rainbow Ramona Rancho Bernardo Rancho Penasquitos Rancho San Diego Rancho Santa Fe Rolando San Carlos San Marcos San Onofre Santa Ysabel Santee San Ysidro Scripps Ranch SDSU Serra Mesa Shelltown Shelter Island Sherman Heights Skyline Solana Beach Sorrento Valley Southcrest South Park Southwestern College Spring Valley Stockton Talmadge Temecula Tierrasanta Tijuana UCSD University City University Heights USD Valencia Park Valley Center Vista Warner Springs

Highly acidic bird poop

Whale wash at Birch Aquarium

A lifelike paint job for Legacy was scrapped not long after installation in 1996.
A lifelike paint job for Legacy was scrapped not long after installation in 1996.

The 39-foot-tall whale statue that greets visitors at Birch Aquarium just got a mini-makeover. Sea air, sun, chlorine, and “especially bird poop” have taken a toll on the bronze Legacy, a life-size breaching gray whale, calf, and tail.

When the statue was installed in 1996, it was the only life-sized statue of a large whale in the world, and the second largest cast bronze sculpture in the United States. At first the artist began to apply life-like paint colors to the surface, but that idea was scrapped.

So artist Randy Puckett and his assistants created a green patina for the statue, accelerating a natural process that would normally take 30 years to change the outer color of the bronze.

Sponsored
Sponsored
Sculpture Conservation Studio of Los Angeles recently completed maintenance of the Legacy whale statue at Birch Aquarium.

“Bird poop is highly acidic — it can etch into the patina [the outer layer of the metal] and discolor it,” explained Elizabeth Patt of Sculpture Conservation Studio, also responsible for maintaining public art for the Port of San Diego. Mineral deposits from hard water in the fountain cause a white residue over the surface.

“The bright red patches you see on the whale are cuprite, a copper oxide that forms when bronze is exposed to moist air,” Patt said. “It can grow under the patina and make it pop right off.”

To remove the guano and red patches, the crew used several gentle methods. Scrubbing with Ph-balanced, biodegradable soap and distilled water broke up the acid. They used dull wooden sticks — metal tools would scratch the bronze — to flake off the cuprite. Mineral spirits helped dissolve grime and build up. A lift took two crew members to the top.

Elizabeth and the crew used a propane torch to heat the metal before applying the finishing touch: a fresh layer of hard carnauba paste wax, the same used in bowling alleys.

“An industry secret,” Elizabeth smiled.

The latest copy of the Reader

Please enjoy this clickable Reader flipbook. Linked text and ads are flash-highlighted in blue for your convenience. To enhance your viewing, please open full screen mode by clicking the icon on the far right of the black flipbook toolbar.

Here's something you might be interested in.
Submit a free classified
or view all
Previous article

Poway’s schools, faced with money squeeze, fined for voter mailing

$105 million bond required payback of nearly 10 times that amount
A lifelike paint job for Legacy was scrapped not long after installation in 1996.
A lifelike paint job for Legacy was scrapped not long after installation in 1996.

The 39-foot-tall whale statue that greets visitors at Birch Aquarium just got a mini-makeover. Sea air, sun, chlorine, and “especially bird poop” have taken a toll on the bronze Legacy, a life-size breaching gray whale, calf, and tail.

When the statue was installed in 1996, it was the only life-sized statue of a large whale in the world, and the second largest cast bronze sculpture in the United States. At first the artist began to apply life-like paint colors to the surface, but that idea was scrapped.

So artist Randy Puckett and his assistants created a green patina for the statue, accelerating a natural process that would normally take 30 years to change the outer color of the bronze.

Sponsored
Sponsored
Sculpture Conservation Studio of Los Angeles recently completed maintenance of the Legacy whale statue at Birch Aquarium.

“Bird poop is highly acidic — it can etch into the patina [the outer layer of the metal] and discolor it,” explained Elizabeth Patt of Sculpture Conservation Studio, also responsible for maintaining public art for the Port of San Diego. Mineral deposits from hard water in the fountain cause a white residue over the surface.

“The bright red patches you see on the whale are cuprite, a copper oxide that forms when bronze is exposed to moist air,” Patt said. “It can grow under the patina and make it pop right off.”

To remove the guano and red patches, the crew used several gentle methods. Scrubbing with Ph-balanced, biodegradable soap and distilled water broke up the acid. They used dull wooden sticks — metal tools would scratch the bronze — to flake off the cuprite. Mineral spirits helped dissolve grime and build up. A lift took two crew members to the top.

Elizabeth and the crew used a propane torch to heat the metal before applying the finishing touch: a fresh layer of hard carnauba paste wax, the same used in bowling alleys.

“An industry secret,” Elizabeth smiled.

Comments
Sponsored

The latest copy of the Reader

Please enjoy this clickable Reader flipbook. Linked text and ads are flash-highlighted in blue for your convenience. To enhance your viewing, please open full screen mode by clicking the icon on the far right of the black flipbook toolbar.

Here's something you might be interested in.
Submit a free classified
or view all
Previous article

Live Five: Sitting On Stacy, Matte Blvck, Think X, Hendrix Celebration, Coriander

Alt-ska, dark electro-pop, tributes, and coastal rock in Solana Beach, Little Italy, Pacific Beach
Next Article

Tigers In Cairo owes its existence to Craigslist

But it owes its name to a Cure tune and a tattoo
Comments
Ask a Hipster — Advice you didn't know you needed Big Screen — Movie commentary Blurt — Music's inside track Booze News — San Diego spirits Classical Music — Immortal beauty Classifieds — Free and easy Cover Stories — Front-page features Drinks All Around — Bartenders' drink recipes Excerpts — Literary and spiritual excerpts Feast! — Food & drink reviews Feature Stories — Local news & stories Fishing Report — What’s getting hooked from ship and shore From the Archives — Spotlight on the past Golden Dreams — Talk of the town The Gonzo Report — Making the musical scene, or at least reporting from it Letters — Our inbox Movies@Home — Local movie buffs share favorites Movie Reviews — Our critics' picks and pans Musician Interviews — Up close with local artists Neighborhood News from Stringers — Hyperlocal news News Ticker — News & politics Obermeyer — San Diego politics illustrated Outdoors — Weekly changes in flora and fauna Overheard in San Diego — Eavesdropping illustrated Poetry — The old and the new Reader Travel — Travel section built by travelers Reading — The hunt for intellectuals Roam-O-Rama — SoCal's best hiking/biking trails San Diego Beer — Inside San Diego suds SD on the QT — Almost factual news Sheep and Goats — Places of worship Special Issues — The best of Street Style — San Diego streets have style Surf Diego — Real stories from those braving the waves Theater — On stage in San Diego this week Tin Fork — Silver spoon alternative Under the Radar — Matt Potter's undercover work Unforgettable — Long-ago San Diego Unreal Estate — San Diego's priciest pads Your Week — Daily event picks
4S Ranch Allied Gardens Alpine Baja Balboa Park Bankers Hill Barrio Logan Bay Ho Bay Park Black Mountain Ranch Blossom Valley Bonita Bonsall Borrego Springs Boulevard Campo Cardiff-by-the-Sea Carlsbad Carmel Mountain Carmel Valley Chollas View Chula Vista City College City Heights Clairemont College Area Coronado CSU San Marcos Cuyamaca College Del Cerro Del Mar Descanso Downtown San Diego Eastlake East Village El Cajon Emerald Hills Encanto Encinitas Escondido Fallbrook Fletcher Hills Golden Hill Grant Hill Grantville Grossmont College Guatay Harbor Island Hillcrest Imperial Beach Imperial Valley Jacumba Jamacha-Lomita Jamul Julian Kearny Mesa Kensington La Jolla Lakeside La Mesa Lemon Grove Leucadia Liberty Station Lincoln Acres Lincoln Park Linda Vista Little Italy Logan Heights Mesa College Midway District MiraCosta College Miramar Miramar College Mira Mesa Mission Beach Mission Hills Mission Valley Mountain View Mount Hope Mount Laguna National City Nestor Normal Heights North Park Oak Park Ocean Beach Oceanside Old Town Otay Mesa Pacific Beach Pala Palomar College Palomar Mountain Paradise Hills Pauma Valley Pine Valley Point Loma Point Loma Nazarene Potrero Poway Rainbow Ramona Rancho Bernardo Rancho Penasquitos Rancho San Diego Rancho Santa Fe Rolando San Carlos San Marcos San Onofre Santa Ysabel Santee San Ysidro Scripps Ranch SDSU Serra Mesa Shelltown Shelter Island Sherman Heights Skyline Solana Beach Sorrento Valley Southcrest South Park Southwestern College Spring Valley Stockton Talmadge Temecula Tierrasanta Tijuana UCSD University City University Heights USD Valencia Park Valley Center Vista Warner Springs
Close

Anchor ads are not supported on this page.

This Week’s Reader This Week’s Reader