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USES FOR IRON SULPHATE
It is used as a lawn conditioner,and is the active substance in many commercial moss killers. 1 Kg of Iron sulphate will treat 500 sq metres using a solution of between 1% (10g/L of water) and 3% (20g/L of water) - (apply at a rate of 5 sq m per litre). This will lead to greening up of grass and hardening of lawn against disease.
Use of the product at dilution rates higher than 30g/L could result in undesired blackening of moss.
Application of ferrous sulphate to hard surfaces such as concrete should be avoided as rust-like staining will occur.
No more than 3 applications per year should be carried out on the lawn.
Industrially, ferrous sulfate is mainly used as a precursor to other iron compounds.
It is a reducing agent, mostly for the reduction of chromate in cement.
Used in the manufacture of inks.
It is used a mordant for wool dyeing.
Ferrous sulphate can also be used to stain concrete and some limestones and sandstones a yellowish rust color.
Woodworkers use ferrous sulfate solutions to color maple wood a silvery hue.
In horticulture it is used for treating iron chlorosis (yellowing of folliage caused by iron deficiency). Although not as rapid-acting as iron chelate, its effects are longer-lasting. It can be mixed with compost and dug into to the soil to create a store which can last for years.
N.B. This product is not for human or animal consumption. This is a pure chemical and is not HSE approved for herbicidal applications. It is not sold for this purpose.
