{"product_id":"caligo-cranfield-safe-wash-relief-ink-75ml-prussian-blue-oil-based-quick-drying-soap-cleanup","title":"Caligo Cranfield Safe Wash Relief Ink — 75ml Prussian Blue, oil-based, quick-drying, soap-cleanup","description":"\u003cp\u003e\u003cstrong\u003eCaligo Cranfield Safe Wash Relief Ink 75ml in Prussian Blue is an artist-grade, oil-based relief ink that dries quickly, prints transparently, and rinses away with soap and water for safer studio cleanup.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 75ml tube of Prussian Blue from Caligo Cranfield is formulated for relief and block printing techniques such as linocut, woodcut, wood engraving and letterpress. Made in the UK with lightfast pigments and under 1% driers, the ink balances traditional oil-based handling with a safer clean-up routine that uses liquid soap and water instead of harsh solvents. The pigment-rich formula yields clear, transparent colour and consistent viscosity for both detailed impressions and subtle tonal layering.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this ink perform for detailed block printing?\u003c\/h3\u003e\n\u003cp\u003eThe Prussian Blue formulation is designed to give crisp, precise impressions on a variety of relief surfaces. Its moderate viscosity allows for excellent pickup on rollers and even transfer from hard and soft blocks, making it suitable for fine line work and textured crisply-edged prints alike.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTransparent Prussian Blue pigment for clean overlays and glazing\u003c\/li\u003e\n  \u003cli\u003eStable consistency for predictable inking and even coverage\u003c\/li\u003e\n  \u003cli\u003eQuick drying compared to heavier oils—faster turnarounds between pulls\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I clean up with soap and water instead of solvents?\u003c\/h3\u003e\n\u003cp\u003eYes — despite being oil-based, Caligo’s Safe Wash inks are formulated to emulsify with liquid soap and water for cleanup, reducing the need for odoriferous solvents in the studio. This makes them a practical choice for classrooms, shared studios, and home setups where ventilation or solvent disposal is a concern.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWipe excess ink with paper towel then wash tools with liquid soap\u003c\/li\u003e\n  \u003cli\u003eSuitable for brayers, palettes and basic equipment without solvents\u003c\/li\u003e\n  \u003cli\u003eLowers airborne solvent exposure and simplifies studio maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this ink lightfast and suitable for archival work?\u003c\/h3\u003e\n\u003cp\u003eCaligo Cranfield uses lightfast pigments to give dependable colour stability for prints meant to last. While archival permanence also depends on paper, printing method and storage, this Prussian Blue offers strong pigment quality for artworks intended to retain tone and hue over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLightfast pigment selection for long-term colour retention\u003c\/li\u003e\n  \u003cli\u003eTransparent quality allows layered printing and glazing techniques\u003c\/li\u003e\n  \u003cli\u003eLess than 1% driers to preserve pigment integrity and tone\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow much ink does a 75ml tube cover and how should I store it?\u003c\/h3\u003e\n\u003cp\u003eA 75ml tube is a handy size for small to medium print runs, experiments, and mixed-media uses. Store it capped in a cool, dry place away from direct heat and sunlight; squeeze out only what you need onto a palette to keep the remaining ink fresh between sessions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e75ml ideal for practice editions, students, or limited runs\u003c\/li\u003e\n  \u003cli\u003eRe-seal tube tightly to slow drying and skin formation\u003c\/li\u003e\n  \u003cli\u003eKeep in moderate temperatures; avoid freezing or high heat\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Caligo Cranfield Safe Wash Relief Ink in Prussian Blue suits printmakers who want the handling and finish of an oil-based relief ink while minimizing solvent use. It’s a strong fit for art students, classroom programs, independent printmakers, and studio artists who prioritize lightfast pigments, cleanable materials, and consistent performance across linocut, woodcut, engraving and letterpress projects.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Caligo Safe Wash ink completely solvent-free?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — it is oil-based but formulated to clean up with liquid soap and water, reducing the need for solvents.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this ink for letterpress?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the ink suits letterpress as well as linocut, woodcut and wood engraving applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Caligo","offers":[{"title":"Default Title","offer_id":55254457975121,"sku":"B003XMMA2S","price":32.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/caligo-prussian-blue-tube-front_jpg.jpg?v=1791676732","url":"https:\/\/craftiche.co.uk\/products\/caligo-cranfield-safe-wash-relief-ink-75ml-prussian-blue-oil-based-quick-drying-soap-cleanup","provider":"Craftiche","version":"1.0","type":"link"}