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Full sets available in both sizes. \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBy using Bister on top of almost dry Powertex the heated with a hair dryer, surfaces can be cracked. 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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.\u003c\/p\u003e\n\u003cp\u003eAlso available: The complete collection of 7 colours in small 10g pot sizes \u003c\/p\u003e","brand":"Powertex UK","offers":[{"title":"Brown (Patina)","offer_id":54067222937933,"sku":"0286","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":54067222970701,"sku":"0287","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":54067223003469,"sku":"0288","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":54067223036237,"sku":"0289","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Yellow","offer_id":54067223069005,"sku":"0290","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Green","offer_id":54067223101773,"sku":"0291","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Mahogany","offer_id":54067223134541,"sku":"0292","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Granules Collection","offer_id":54067289456973,"sku":"0293","price":25.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/6721\/5949\/files\/Bister_Spray_1.jpg?v=1781028710"},{"product_id":"bister-liquid-ready-mixed-in-spray-bottle","title":"Bister Liquid Ready Mixed in Spray Bottle","description":"\u003cp\u003eBister in a ready to use spray bottle. 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