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Penguin Pottery’s glazes offer a huge range of effects to choose from: vivid, bright, smooth, glossy, textured, satin, matte; opaque, semi-opaque, semi-translucent, translucent, flowing, non-flowing.
Our low fire glazes are perfect for school projects, classrooms, studios, and potters who do not fire at high temperature. These low fire glazes are the potter’s choice when looking for a wide palette of colors, like celadon, lively reds, deep greens, bright blues.
Our mid fire glazes offer similar ranges but also introduce interesting effects and tonality not available in low fire glazes.
How to Get Great Results with Our Glazes
Mix Well Before Using
Sometimes glaze contents will settle. That's normal! Just like house paints, ceramic glazes need to be fully mixed to ensure smooth consistency. We recommend mixing well for at least 1-2 minutes.
Choose How to Apply
You can apply glazes either by (a) dipping your bisqued piece into the glaze or (b) brushing it on. Our glazes are ready to apply with a brush. If you're looking to dip, we recommend applying a dispersing agent like Darvan.
Remove Dust from Bisque
Removing all dust from your bisque-fired piece is critical to ensure a good outcome. Clean moist sponges are best. Make sure your piece is completely dry before glazing!
Fire Glaze to Correct Cone
Ceramic glazes are classified according to a temperature range ("cone") in three general groups: "low-fire," "mid-fire," and "high-fire." Over-firing will damage the piece/possibly the kiln, and under-firing will just give you ugly results.
A Note on the Art of Glazing Ceramics
One of the fascinating aspects of ceramics is the slight variations we can achieve by using different clay bodies, glaze types and firing methods. It's like vintage film photography - you don't know what it'll look like until you get it out of the kiln! Glazes will react differently (and look different) depending on several factors, including:
- The temperature at which they're fired: even small changes in temperature can lead to different outcomes.
- The clay body on which the glaze is applied: the same glaze will look different if applied to a darker vs. lighter clay.
- The speed at which your kiln reaches the target temperature.
- How much oxygen is in the kiln's atmosphere while firing.
That is why ceramics is an art! We recommend you experiment with different approaches and, most importantly, embrace the uncertainty. You will have a lot of fun seeing different results!
About Penguin Pottery
- Employee Owned and US-Based: our company was founded by and run by potters. We conscientiously manufacture our products in New Hampshire, USA. We love getting our hands dirty while we share our love for the ceramic arts!
- Our Mission & Impact: we founded Penguin Pottery in 2020 with a simple mission: to increase access to the ceramic arts, while doing so in an ecologically-responsible manner. To that end, we donate 1% of our sales to environmental groups working hard to protect our planet for future generations.
We Support Our Pottery Community
We Support Artists
CERF+ is the leading US non-profit organization providing emergency relief funds, educational programs, advocacy, and networking opportunities to safeguard artists' livelihoods nationwide.
Stephen C. Garrepy
August 29, 2025
Very bold red!!! I used a dark brown clay so the candy look was less but i loved it!!!
Melissa Moffitt
August 16, 2025
Just bought this color and I’m liking it. Definitely need to fire at Cone 5 or 6 but seems to do better at 6. Use 3 coats. Lovely green, gold, and blues, especially on texture.
Shan. s
June 22, 2025
Loved how my pottery turned out
carodox
May 26, 2025
I thought I was buying a matte glaze. My bad. It’s glossy. Wish it were more Intense
Ashley Dean
May 2, 2025
I got this primarily to use on a gift for a friend and it came out a gorgeous, vibrant orange like the photo. The glaze is quite stable as well, even with thicker application.
Meagan E. Cross
April 14, 2025
I loved the color, but this glaze is not glossy
scox
March 21, 2025
I used 4 coats of this in a cone 6 fire on brown speckled clay. It broke denim blue on the texture, which was beautiful and unexpected based on the seller's photos.
Ronald Pippitt
January 20, 2025
I tried Penguin celadon glazes for the first time - the Blue was outstanding. The Crayon Red had a problem; it was partially dried and difficult to use. I contacted them and got an amazingly prompt and generous resolution. They are a really first class organization with fine products and top of the line customer service.
Customer
January 11, 2025
Amazing glazes and the colour is so bright!!!
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