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Multi-K pHast

Multi-K pHast by Haifa — is an acid-stabilised potassium nitrate designed for hard and alkaline irrigation water, delivering potassium and nitrate-nitrogen while helping keep drip systems clean. Buy from Agrifirst, exclusive Haifa partner for North I

Trusted by 500+ farmers
Expert support
Quality assured

Multi-K pHast is an acid-stabilised potassium nitrate designed for hard and alkaline irrigation water, delivering potassium and nitrate-nitrogen while helping keep drip systems clean. As part of Haifa's globally trusted specialty range, it is manufactured to consistent, high-purity standards and is fully water-soluble for clog-free fertigation.

Key benefits

  • Lowers the pH of the nutrient solution, reducing scaling and emitter clogging
  • Delivers the proven benefits of Multi-K potassium nitrate in problem water
  • Free of chloride and sodium; fully water-soluble
  • Improves fertigation reliability and system life

Composition & how to use

acid-stabilised potassium nitrate Applied through drip fertigation where water is hard or alkaline; particularly useful in bore-well water with high bicarbonates. For best results, Agrifirst agronomists will build a crop-specific feeding schedule based on your crop, soil, water quality and growth stage.

Best-suited crops

All fertigated vegetables, fruit and flower crops, especially where water quality causes drip clogging.

Why buy Multi-K pHast from Agrifirst?

Agrifirst is the exclusive Haifa partner for North India. You get 100% genuine Haifa product, expert crop-nutrition guidance and reliable doorstep supply — plus a tailored program that gets the most out of every application.

Price on request — talk to an Agrifirst crop-nutrition specialist for current pricing, pack sizes and a Haifa program built for your crop.

Get Expert Advice

Our team will reach out within 24 hours

Common Questions

Frequently Asked Questions

Why use Multi-K pHast instead of Multi-K GG?
Choose Multi-K pHast when your irrigation water is hard or alkaline (high pH/bicarbonates). It acidifies the solution to keep drip lines clean while still supplying potassium and nitrate-nitrogen.
Does Multi-K pHast reduce drip clogging?
Yes. By lowering solution pH it reduces scale and precipitate formation, a common cause of emitter clogging in hard-water areas.
Is Multi-K pHast chloride-free?
Yes, it is free of chloride and sodium and fully water-soluble.

Ready to transform your farming?

Connect with our agricultural experts and discover how Multi-K pHast can boost your crop yield and profitability.

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Related Guides & Articles

Haifa specialty fertilizers range available in India from Agrifirst
Haifa Fertilizers in India: The Complete Guide to Multi-K, Poly-Feed &...

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