how long does it take to ship?

About 3-6 days until shipment, then it depends on Amazon's shipping department.

I saw that one reviewer used it as a fertilizer for plants. If you use it as a fertilizer, can I ask how much you use?

No I used it to nitrate papers for making black powder cartridges for a 44 cal cap and ball revolver

No this is lab grade used mainly as oxidiser in fireworks and rocketry or as a reagent

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⚡ Ignite your creativity with ultra-pure precision!

LAB GRADE PURITY - Achieve flawless results with 99.8% pure potassium nitrate, trusted by professionals.
RESEALABLE PACKAGING - Keep your reagent fresh and contamination-free with convenient resealable bags.
VERSATILE APPLICATION - Perfect for scientific experiments, pyrotechnic displays, and advanced hobbyist use—join the elite innovators.
GENEROUS 4 POUND SUPPLY - Ample quantity to fuel your projects without constant reordering—stay ahead of the curve.
PRECISION MILLED TEXTURE - Ultra-fine powder ensures consistent reactions and superior performance in experiments and pyrotechnics.

This 4-pound pack of 99.8% pure potassium nitrate from ESKS® offers ultra-fine milled powder in a resealable bag, ideal for high-precision scientific experiments and pyrotechnic applications. Engineered for professionals and serious hobbyists seeking consistent, reliable results.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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