



Private Reserve Premium Ink Bottle - Cosmic Cobalt - 30ml
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Private Reserve Ink Bottle | Cosmic Cobalt (30ml)
Elevate your writing experience with the stellar brilliance of Private Reserve 30ml Bottled Ink in Cosmic Cobalt. Renowned for crafting richly pigmented, high-performance fountain pen inks, Private Reserve delivers exceptional flow and color intensity across its Premium Ink series. Cosmic Cobalt is a vibrant, electric blue shade that combines deep celestial saturation with striking visual pop. Housed in an ergonomic 30ml glass bottle with a wide-mouth opening for easy filling, this ink is formulated to resist clogging, ensuring smooth, reliable performance across all fountain pen nib sizes and paper types.
Product Features:
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Brand Name: Private Reserve Ink
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Series: Private Reserve Premium Ink Bottles
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Product Type: Bottled Ink / Fountain Pen Ink
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Signature Feature: Cosmic Cobalt shade (vibrant, rich cobalt blue with dynamic depth)
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Volume: 30ml
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Ink Type: Water-based dye ink
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Bottle Style: Clear 30ml glass bottle with wide-mouth opening for easy filling
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Compatibility: Suitable for all fountain pens, dip pens, and calligraphic instruments
Why Choose Private Reserve Bottled Ink - Cosmic Cobalt (30ml)?
Choosing Private Reserve Cosmic Cobalt Ink means bringing a captivating, expressive blue to your daily writing and correspondence. Private Reserve inks are celebrated around the world for their generous lubrication, high saturation, and clean maintenance. Cosmic Cobalt glides effortlessly across paper without feathering or skipping, making it a reliable and versatile choice for daily journaling, professional signatures, and artistic calligraphy alike.
"Private Reserve Cosmic Cobalt is a standout blue for fountain pen lovers who want both vibrancy and character. On paper, it lays down with an energetic, glowing intensity that retains clear line definition even in wetter nibs. It flows smoothly, dries reliably on fountain pen–friendly paper, and cleans out of pens with ease—making it a perfect everyday blue with an extra dash of celestial flair."
| Brand | Private Reserve Inks |
| Colors | Cosmic Cobalt |
| Series | Private Reserve Premium Ink Bottles |
| Type | Bottled Ink |
















