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Qingdao Re-green Biological Technology Co.,Ltd

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KH2PO3 Potassium Phosphite Liquid Fertilizer for Hydroponics Nutrients Foliar Spray

KH2PO3 Potassium Phosphite Liquid Fertilizer for Hydroponics Nutrients Foliar Spray

QDREGREEN is the manufacturer and supplier of KH2PO3 Potassium Phosphite Liquid Fertilizer For Hydroponics Nutrients And Foliar Spray, in short potassium phosphite, also known as potassium dihydrogen phosphite, which is one of antifungal fertilizers for plant defense at discount or wholesale price from factory.

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Product Details

KH2PO3 Potassium Phosphite Liquid Fertilizer For Hydroponics Nutrients Foliar Spray

Introduction of Potassium Phosphite
The potassium phosphite, in form of potassium phosphite liquid, can release the secondary and trace nutrients fixed in soil such as Calcium Zinc and Iron, and also, can loose the harden soil, increase the ventilation of the soil, and improve the environment among the root system for root growth, which are helpful to crop health and growth.
The phosphite products can be used as hydroponics nutrients as well as phosphite foliar spray.


Specification of Potassium Phosphite








Colorless Transparent Liquid

Molecular Formula


Release Type


Brand Name



By Sea or Air Within 15 Working Days After Order Confirmed


25kgs/Barrel 250kgs/Barrel 1000L/IBC Tank or OEM

P (P2O5)

33% w/w

K (K2O)

22% w/w

Physical Property

pH:6.5(1:250), Specific Gravity:1.52


Application and Dosage of Potassium Phosphite
The dosages and application stages are subject to soil and climatic conditions, influence of previous crops and other specific conditions.
· Apply to fruit trees and citrus, vegetables, flowers and ornamental plants, tropical fruit trees, olive trees and vines, grain and oil crop
· Fertigation: 45 Liters each time per hectare.
· Drip Irrigation, spray irrigation: 15 - 30 Liters each time per hectare.
· Foliar spray: diluted 600-1000 times.


Benefit of Potassium Phosphite
· Compatible with most water-soluble fertilizers and pesticides, such as calcium nitrate and sugar alcohol calcium.
· High concentrated liquid PK fertilizer with purity 55%.
· For foliar spray and fertigation in open fields as well as hydroponics nutrients.
· To improve the plant’s immune system with plant defense.


Q: Are you factory or trading company?
A: The high concentrated and chelated liquid fertilizers are produced and supplied by ourselves. The crystal water soluble fertilizers for powder are produced and supplied by our partner factory, but the price is lower and the quality is excellent.

Q: Can I get some samples?
A: Yes, we are glad to offer you samples to test. The sample is free, but the shipping cost will be paid by customers, after place order, we will deduct the shipping cost from the total amount of commercial invoice.

Q: How does your factory manage quality control?
A: We have the strict quality control before delivery by our Quality Center, also we can supply the quality certification from the third party such as SGS, CCIC, BV etc.



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