Dosing agent

JH 4, consisting of a mixture of phosphates.

Field of application: Steam boiler plants.

Effect: Reduction of alkalinity and residual hardness precipitation in boiler feed water.

Preparation: As 10% solution, with softened water.

Dosage: Approx. 100 – 200 ml/m³ make-up water.

Proof: Approx. 5 – 10 mg/l phosphate (PO₄³-), observe boiler guidelines.

Scope of delivery:

Available in the container sizes 10 and 25 kg.

Order number


8838164JH 4, 10 kg container
8838165JH 4, 25 kg container


JUDO Phosphate measuring set
Colour comparison set for the concentration range 0 – 10 P₂O₅/l.
Order number 8742136

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