
Spectrum
Spectrum Sherwood Green Underglaze
Spectrum Underglazes offer a full palette of rich, vibrant colours, which fire from 1000-1280°C. Spectrum underglazes are;
• Opaque with 3 coats,
• Semi-opaque with 2 coats,
• Semi-transparent with 1 coat.
They are compatible for use under most of our clear glazes. Unlike many other brands of underglaze Spectrum use a frit base. The advantages to the user are that they...
£9.00 inc VAT
Spectrum Sky Blue Underglaze
Spectrum Underglazes offer a full palette of rich, vibrant colours, which fire from 1000-1280°C. Spectrum underglazes are;
• Opaque with 3 coats,
• Semi-opaque with 2 coats,
• Semi-transparent with 1 coat.
They are compatible for use under most of our clear glazes. Unlike many other brands of underglaze Spectrum use a frit base. The advantages to the user are that they...
from £9.00 inc VAT
Spectrum Spring Green Underglaze
Spectrum Underglazes offer a full palette of rich, vibrant colours, which fire from 1000-1280°C. Spectrum underglazes are;
• Opaque with 3 coats,
• Semi-opaque with 2 coats,
• Semi-transparent with 1 coat.
They are compatible for use under most of our clear glazes. Unlike many other brands of underglaze Spectrum use a frit base. The advantages to the user are that they...
from £9.00 inc VAT
Spectrum Tan Underglaze
Spectrum Underglazes offer a full palette of rich, vibrant colours, which fire from 1000-1280°C. Spectrum underglazes are;
• Opaque with 3 coats,
• Semi-opaque with 2 coats,
• Semi-transparent with 1 coat.
They are compatible for use under most of our clear glazes. Unlike many other brands of underglaze Spectrum use a frit base. The advantages to the user are that they...
£9.00 inc VAT
Spectrum Tea Underglaze
Spectrum Underglazes offer a full palette of rich, vibrant colours, which fire from 1000-1280°C. Spectrum underglazes are;
• Opaque with 3 coats,
• Semi-opaque with 2 coats,
• Semi-transparent with 1 coat.
They are compatible for use under most of our clear glazes. Unlike many other brands of underglaze Spectrum use a frit base. The advantages to the user are that they...
£9.00 inc VAT
Spectrum Teal Blue Underglaze
Spectrum Underglazes offer a full palette of rich, vibrant colours, which fire from 1000-1280°C. Spectrum underglazes are;
• Opaque with 3 coats,
• Semi-opaque with 2 coats,
• Semi-transparent with 1 coat.
They are compatible for use under most of our clear glazes. Unlike many other brands of underglaze Spectrum use a frit base. The advantages to the user are that they...

£9.00 inc VAT
Spectrum Terracotta Underglaze
Spectrum Underglazes offer a full palette of rich, vibrant colours, which fire from 1000-1280°C. Spectrum underglazes are;
• Opaque with 3 coats,
• Semi-opaque with 2 coats,
• Semi-transparent with 1 coat.
They are compatible for use under most of our clear glazes. Unlike many other brands of underglaze Spectrum use a frit base. The advantages to the user are that they...
£9.00 inc VAT
Spectrum Turquoise Underglaze
Spectrum Underglazes offer a full palette of rich, vibrant colours, which fire from 1000-1280°C. Spectrum underglazes are;
• Opaque with 3 coats,
• Semi-opaque with 2 coats,
• Semi-transparent with 1 coat.
They are compatible for use under most of our clear glazes. Unlike many other brands of underglaze Spectrum use a frit base. The advantages to the user are that they...
from £9.00 inc VAT
Spectrum Walnut Brown Underglaze
Spectrum Underglazes offer a full palette of rich, vibrant colours, which fire from 1000-1280°C. Spectrum underglazes are;
• Opaque with 3 coats,
• Semi-opaque with 2 coats,
• Semi-transparent with 1 coat.
They are compatible for use under most of our clear glazes. Unlike many other brands of underglaze Spectrum use a frit base. The advantages to the user are that they...
£9.00 inc VAT
Spectrum White Underglaze
Spectrum Underglazes offer a full palette of rich, vibrant colours, which fire from 1000-1280°C. Spectrum underglazes are;
• Opaque with 3 coats,
• Semi-opaque with 2 coats,
• Semi-transparent with 1 coat.
They are compatible for use under most of our clear glazes. Unlike many other brands of underglaze Spectrum use a frit base. The advantages to the user are that they...

from £9.00 inc VAT
Clear Spectrum Dry Crystals
CR01 - CR12 - Our Glaze Crystals are all lead-free and dinnerware safe when fired to a minimum cone 06. These crystals are very versatile and can be used successfully from cone 06 to cone 6. They can be used with any glaze in this firing range to produce a great variety of different appearances. They can also be intermixed. Many beautiful combinations of two or more colored crystals on your choice...
£14.40 inc VAT
Dark Brown Spectrum Dry Crystals
CR01 - CR12 - Our Glaze Crystals are all lead-free and dinnerware safe when fired to a minimum cone 06. These crystals are very versatile and can be used successfully from cone 06 to cone 6. They can be used with any glaze in this firing range to produce a great variety of different appearances. They can also be intermixed. Many beautiful combinations of two or more colored crystals on your choice...
£14.40 inc VAT
Gold Spectrum Dry Crystals
CR01 - CR12 - Our Glaze Crystals are all lead-free and dinnerware safe when fired to a minimum cone 06. These crystals are very versatile and can be used successfully from cone 06 to cone 6. They can be used with any glaze in this firing range to produce a great variety of different appearances. They can also be intermixed. Many beautiful combinations of two or more colored crystals on your choice...
£14.40 inc VAT
Maroon Spectrum Dry Crystals
CR01 - CR12 - Our Glaze Crystals are all lead-free and dinnerware safe when fired to a minimum cone 06. These crystals are very versatile and can be used successfully from cone 06 to cone 6. They can be used with any glaze in this firing range to produce a great variety of different appearances. They can also be intermixed. Many beautiful combinations of two or more colored crystals on your choice...
£14.40 inc VAT
Reactive Blue Spectrum Dry Crystals
CR01 - CR12 - Our Glaze Crystals are all lead-free and dinnerware safe when fired to a minimum cone 06. These crystals are very versatile and can be used successfully from cone 06 to cone 6. They can be used with any glaze in this firing range to produce a great variety of different appearances. They can also be intermixed. Many beautiful combinations of two or more colored crystals on your choice...
£14.40 inc VAT
Reactive Brown Spectrum Dry Crystals
CR01 - CR12 - Our Glaze Crystals are all lead-free and dinnerware safe when fired to a minimum cone 06. These crystals are very versatile and can be used successfully from cone 06 to cone 6. They can be used with any glaze in this firing range to produce a great variety of different appearances. They can also be intermixed. Many beautiful combinations of two or more colored crystals on your choice...
£14.40 inc VAT
Reactive Green Spectrum Dry Crystals
CR01 - CR12 - Our Glaze Crystals are all lead-free and dinnerware safe when fired to a minimum cone 06. These crystals are very versatile and can be used successfully from cone 06 to cone 6. They can be used with any glaze in this firing range to produce a great variety of different appearances. They can also be intermixed. Many beautiful combinations of two or more colored crystals on your choice...
£14.40 inc VAT
White Spectrum Dry Crystals
CR01 - CR12 - Our Glaze Crystals are all lead-free and dinnerware safe when fired to a minimum cone 06. These crystals are very versatile and can be used successfully from cone 06 to cone 6. They can be used with any glaze in this firing range to produce a great variety of different appearances. They can also be intermixed. Many beautiful combinations of two or more colored crystals on your choice...
£14.40 inc VAT
Yellow Spectrum Dry Crystals
CR01 - CR12 - Our Glaze Crystals are all lead-free and dinnerware safe when fired to a minimum cone 06. These crystals are very versatile and can be used successfully from cone 06 to cone 6. They can be used with any glaze in this firing range to produce a great variety of different appearances. They can also be intermixed. Many beautiful combinations of two or more colored crystals on your choice...
£14.40 inc VAT
Spectrum Brushed Bronze Metallica Earthenware Brush On Glaze 155
Spectrum is delighted to introduce our new low fire Metallic glazes. Unlike lustres or overglazes, these are regular low-fire glazes and will fire in your kiln with any other low fire glaze. However, while the new Glazes are lead free, they are not non toxic and they are not dinnerware safe. Please do not use them on functional ware.
* These glazes are sensitive to thickness of application. A heavier...
from £12.00 inc VAT
Spectrum Gold Halo Metallica Earthenware Brush On Glaze 151
Spectrum is delighted to introduce our new low fire Metallic glazes. Unlike lustres or overglazes, these are regular low-fire glazes and will fire in your kiln with any other low fire glaze. However, while the new Glazes are lead free, they are not non toxic and they are not dinnerware safe. Please do not use them on functional ware.
* These glazes are sensitive to thickness of application. A heavier...
from £8.00 inc VAT
Spectrum Green Mirror Metallica Earthenware Brush On Glaze 153
Spectrum is delighted to introduce our new low fire Metallic glazes. Unlike lustres or overglazes, these are regular low-fire glazes and will fire in your kiln with any other low fire glaze. However, while the new Glazes are lead free, they are not non toxic and they are not dinnerware safe. Please do not use them on functional ware.
* These glazes are sensitive to thickness of application. A heavier...

from £12.00 inc VAT
Spectrum Green Patina Metallica Earthenware Brush On Glaze 156
Spectrum is delighted to introduce our new low fire Metallic glazes. Unlike lustres or overglazes, these are regular low-fire glazes and will fire in your kiln with any other low fire glaze. However, while the new Glazes are lead free, they are not non toxic and they are not dinnerware safe. Please do not use them on functional ware.
* These glazes are sensitive to thickness of application. A heavier...
from £12.00 inc VAT
Spectrum Moonlight Metallica Earthenware Brush On Glaze 152
Spectrum is delighted to introduce our new low fire Metallic glazes. Unlike lustres or overglazes, these are regular low-fire glazes and will fire in your kiln with any other low fire glaze. However, while the new Glazes are lead free, they are not non toxic and they are not dinnerware safe. Please do not use them on functional ware.
* These glazes are sensitive to thickness of application. A heavier...
from £8.00 inc VAT
Spectrum Wrought Iron Metallica Earthenware Brush On Glaze 154
Spectrum is delighted to introduce our new low fire Metallic glazes. Unlike lustres or overglazes, these are regular low-fire glazes and will fire in your kiln with any other low fire glaze. However, while the new Glazes are lead free, they are not non toxic and they are not dinnerware safe. Please do not use them on functional ware.
* These glazes are sensitive to thickness of application. A heavier...
from £12.00 inc VAT
Clear Blue Spectrum 808 Semi Transparent Glaze
800-828 These glazes are lead-free, dinnerware safe, A/P non-toxic with the exception of 818, 822 & 823. They can be used to produce a multi-tone appearance since the color gets darker where they are thicker, such as in places where they flow into the details on pieces. Generally, it is best to apply them thinly (i.e. 2 coats by brushing).
COMES IN 454ml / 16fl.oz POTS
£26.40 inc VAT
Denim Blue Spectrum 813 Semi Transparent Glaze
800-828 These glazes are lead-free, dinnerware safe, A/P non-toxic with the exception of 818, 822 & 823. They can be used to produce a multi-tone appearance since the color gets darker where they are thicker, such as in places where they flow into the details on pieces. Generally, it is best to apply them thinly (i.e. 2 coats by brushing).
COMES IN 454ml / 16fl.oz POTS
£26.40 inc VAT
Holly Green Spectrum 818 Semi Transparent Glaze
800-828 These glazes are lead-free, dinnerware safe, A/P non-toxic with the exception of 818, 822 & 823. They can be used to produce a multi-tone appearance since the color gets darker where they are thicker, such as in places where they flow into the details on pieces. Generally, it is best to apply them thinly (i.e. 2 coats by brushing).
COMES IN 454ml / 16fl.oz POTS
£38.40 inc VAT
Lime Green Spectrum 816 Semi Transparent Glaze
800-828 These glazes are lead-free, dinnerware safe, A/P non-toxic with the exception of 818, 822 & 823. They can be used to produce a multi-tone appearance since the color gets darker where they are thicker, such as in places where they flow into the details on pieces. Generally, it is best to apply them thinly (i.e. 2 coats by brushing).
COMES IN 454ml / 16fl.oz POTS
£27.60 inc VAT
Spiced Honey 805 Spectrum Semi Transparent Glaze
800-828 These glazes are lead-free, dinnerware safe, A/P non-toxic with the exception of 818, 822 & 823. They can be used to produce a multi-tone appearance since the color gets darker where they are thicker, such as in places where they flow into the details on pieces. Generally, it is best to apply them thinly (i.e. 2 coats by brushing). The exception in this group is 800 Clear, which is a clear...
£30.00 inc VAT
Umber Spectrum 825 Semi Transparent Glaze
800-828 These glazes are lead-free, dinnerware safe, A/P non-toxic with the exception of 818, 822 & 823. They can be used to produce a multi-tone appearance since the color gets darker where they are thicker, such as in places where they flow into the details on pieces. Generally, it is best to apply them thinly (i.e. 2 coats by brushing).
COMES IN 454ml / 16fl.oz POTS
£22.80 inc VAT
Winter Green Spectrum 821 Semi Transparent Glaze
800-828 These glazes are lead-free, dinnerware safe, A/P non-toxic with the exception of 818, 822 & 823. They can be used to produce a multi-tone appearance since the color gets darker where they are thicker, such as in places where they flow into the details on pieces. Generally, it is best to apply them thinly (i.e. 2 coats by brushing).
COMES IN 454ml / 16fl.oz POTS
...
£31.20 inc VAT


































































