COVID-19 Update 26th November 2020:  Artistic ReTreats are in a Tier 2 area & we are planning to restart workshops from 3rd December.  Please help us keep Covid-secure by only booking if you are in a Tier 1 or Tier 2 area. If you develop Covid symptoms, please contact us to rearrange your workshop for a later date. Our online shop remains open for mail order or click & collect by arrangement.  

Login to your account

Username *
Password *
Remember Me
The cart is empty

COVID-19 Update 26th November 2020:  Artistic ReTreats are in a Tier 2 area & we are planning to restart workshops from 3rd December.  Please help us keep Covid-secure by only booking if you are in a Tier 1 or Tier 2 area. If you develop Covid symptoms, please contact us to rearrange your workshop for a later date. Our online shop remains open for mail order or click & collect by arrangement.  

Bister Granules Blue 25g

£ 4.99 each

Bister is a granulated tint that can be used in different ways with Powertex products. Bister can be mixed with Powertex transparent to make coloured Powertex of your choice, it can be added to water and sprayed onto a project or it can be sprinkled into wet powertex for great effect. Bister can also be used in combination with Easy Varnish to paint and dry-brush your artwork.