The Art of Making Natural Pottery Glaze

A natural look to everything should be considered, especially when it comes to glazing and firing

Posted  30 Views updated 12 days ago

A natural look to everything should be considered, especially when it comes to glazing and firing. The question is, why should you go natural? What makes them better than modern glazes that are readily available? What’s so great about them? Here are some of their benefits:

  • Not as many toxic chemicals are used in your wares
  • Make your glazes look cool
  • Add a unique finish to your pottery
  • The material can be picked up from right outside your home
  • Could save you money in the long run

Natural pottery glazing takes a lot of time to put it all together, but if you’re serious about it, here you can check more hand crafted ceramics

1. Nuka Glaze

This is a very old type of glaze and it involves burning ash. This works because of the ash, the glaze would have a lot of silica in it. Also, it is free and easily available. Now, if you want to make your own modern Nuka glaze, here are the ingredients:

  • 33 parts of dry sifted wood ash
  • 50 parts 325 mesh flint silica
  • 50 parts Custer feldspar 
  • 15 parts Frit 3134
  • 20 parts whiting
  • 10 parts bone ash
  • 10 parts bentonite
  • 10 parts talc

All of these can be mixed together to form the perfect Nuka Glaze

2. Wood Ash Glaze

Wood Ash is also readily available and it is great for pottery pieces. It is a simple process and involves just a fraction of Nuka glaze materials.

  • 38 parts wood ash
  • 20 parts china clay
  • 30 parts feldspar
  • 12 parts flint
  • 5 parts iron oxide

Once you get these ingredients, you can put them in a bucket of water and mix them thoroughly. 

3. Punching Pumice Celadon Glaze

If you want to create a wonderful white glaze with blue hues, then this is the perfect glaze. This involves you to first find a lot of pumice rock and then remove all impurities from it. After that is done, you need to do the following:

  • Add 80% Hess punish, 325 mesh
  • 20% Wollastonite
  • Mix it with water
  • Put it onto your glaze and let it dry
  • Fire it at a 10 cone reduction atmosphere

4. Salt Glazing

Feeling salty? This one’s for you then. People like this because it is unique, unpredictable and beautiful. For this, you’ll need:

  • 30 percent wood ash glaze
  • 30 percent silica
  • 20 percent sodium silicate
  • 10 percent feldspar
  • 5 percent red iron oxide
  • 5 percent talc

This glaze is the best for those who want something unique.

5. Pig Skin Temmoku

This type of glaze is very cool because it has an interesting matte texture and it involves temmoku firing, which is again very interesting. To make this, you need the following:

  • 54.05 percent shale
  • 7.14 percent Vulcan granite
  • 6/12 percent whiting
  • 9.2 percent wood ash
  • 23.49 percent silica

Mix all of these together and then fire it to cone 10. 

Some safety tips should be considered if you ever decide to make these glazes:

  • Wear gloves
  • Wear safety goggles and masks
  • Keep hair and jewelry back


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