What is Ferrous sulfate heptahydrate and How is it used ?

Ferrous sulfate heptahydrate also known as Iron (II) Sulphate is a blue green crystal with the formula FeSO4.7H2O. Originally it was known as “green vitriol” or “copperas”. It is soluble in water and melts at 64C. It is produced as a by-product of the pickling of steel. It is used as a mordant in dyeing wool, in the manufacture of ink, in water purification as a substitute for aluminum sulphate, as a fertilizer, and as a feed additive. It is also used to produce magnetic ferric oxide.

Properties of Ferrous sulfate heptahydrate:

  • Synonyms: Ferrous sulfate; Ferrous sulfate; Iron (ii) sulfate; green vitriol; iron vitriol; copperas;
  • Appearance: blue/green crystals
  • CAS No: 7782–63–0
  • EINECS No: 231–753–5
  • FeSO4.7H2O: > 99%
  • Molecular weight: 278.01
  • Fe: 20% min
  • Pb: 0.002% max
  • Solubility: Soluble in Water 486g/L
  • Insoluble in: Alcohol
  • Melting Point: 64C
  • Boiling Point: 400C decomposes

Where to buy Buy Iron sulfate / Ferrous sulfate online uk

USES FOR IRON SULFATE

  • It is used as a lawn conditioner,and moss killer. See below for full details on application.
  • 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 including iron gall ink.
  • It is used a mordant for wool dyeing.
  • Ferrous sulfate 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. Ferrous sulfate is sometimes added to the cooling water flowing through the brass tubes of a turbine condenser. It forms a corrosion-resistant, protective coating on the inside of the tube.

It has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies.

It is used as a traditional method of treating wood panel on houses, either alone dissolved in water or as a component of water-based paint.

Application Rates for Moss Killing

As regards the rates of application for the above material, this very much depends on the end use of the material and also the location where the product is to be used. What has to be stressed is that no two sets of circumstances will be the same and therefore a small area would need to be tested to satisfy yourself of suitability

For use as a Moss Killer

We would advise that initially you test a small area with a 1% Ferrous Sulphate Heptahydrate solution (ie. 10gms/1L of water). If this does not give the desired effect a stronger solution can be used up to a maximum of 5% Ferrous Sulphate Heptahydrate (50gms/1L of water ).

A typical average strength to use would be a 3% solution. To make the solution add 30g of ferrous sulfate for every litre of water (for example for a 15L sprayer you will need 450g of ferrous sulfate ).

How much ferrous sulfate is needed to treat 1 acre

An acre is approx 4050 sq m. Therefore a 3% solution applied at 5sq m per litre will require 810L of solution which equates to 24.3kg of ferrous sulfate powder.

Application of the solution should be at a rate of 5 square metres for every litre of chemical mix. Apply evenly over lawn etc avoiding overspray contact with other plants and paths, patios etc.

After 2 to 3 days you will see that the moss has turned black in colour indicating that the moss has been successsfully killed. At this point one should use a tined rake to loosen and remove dead moss. Application of a lawnmower set to low cut will help in the removal. Please note: the grass cuttings and dead moss should not be added to compost bins.

Please be aware that ferrous sulphate is only for use on grass areas and is not designed to be used on hard surfaces as it may stain. For hard surfaces like roofs, paths, patios etc Zinc Sulphate can be used or a proprietry chemical like MossKill Premium.

If ferrous sulphate comes in contact with concrete for example it will stain the surface brown which effectively is a rust stain. To remove this stain one will need to use an acid solution like Oxalic acid (used as a 5% solution).

When treating lawns etc with ferrous sulphate keep pets off the surface for at least one week. This protects their well being and prevents transfer of residues onto hard surfaces (i.e. brown staining).

For application on agricultural pasture land / paddocks etc use at the same rates as above. Animals like horses must be kept of grasslands for at least 4 weeks before being allowed back to graze.

An over usage of Ferrous Sulphate can be harmful if the land being applied to has a low pH (very Acidic) as Ferrous Sulphate is naturally very acidic with a pH of 2.5.

NOTE: We must stress that this information can only be used as a guideline and is given in good faith. We cannot be held responsible for any adverse effects that may be experienced as a result of use of the above product.

Health & Safety

R-Phrases: R22 Harmful if swallowed. R36/38 Irritating to eyes and skin.

S-Phrases: S46 If swallowed, seek medical advice immediately and show container or label.

Where to buy Buy Iron sulphate / Ferrous sulphate online uk

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What is Iron (II) Sulfate heptahydrate and what is it used for ?

What is Iron (II) sulfate Heptahydrate

Iron (II) sulfate heptahydrate also known as Ferrous (II) Sulphate is a blue green crystal with the formula FeSO4.7H2O. Originally it was known as “green vitriol” or “copperas”. It is soluble in water and melts at 64C. It is produced as a by-product of the pickling of steel. It is used as a mordant in dyeing wool, in the manufacture of ink, in water purification as a substitute for aluminum sulphate, as a fertilizer, and as a feed additive. It is also used to produce magnetic ferric oxide.

Properties of Iron Sulfate :

  • Synonyms: Ferrous sulfate;ferrous sulphate;  Iron (ii) sulfate; iron sulphate; green vitriol; iron vitriol; copperas;
  • Appearance: blue/green crystals
  • CAS No: 7782–63–0
  • EINECS No: 231–753–5
  • FeSO4.7H2O: > 99%
  • Molecular weight: 278.01
  • Fe: 20% min
  • Pb: 0.002% max
  • Solubility: Soluble in Water 486g/L
  • Insoluble in: Alcohol
  • Melting Point: 64C
  • Boiling Point: 400C decomposes

USES FOR IRON SULFATE

  • It is used as a lawn conditioner,and moss killer. See below for full details on application.
  • 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 including iron gall ink.
  • It is used a mordant for wool dyeing.
  • Ferrous sulfate 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. Ferrous sulfate is sometimes added to the cooling water flowing through the brass tubes of a turbine condenser. It forms a corrosion-resistant, protective coating on the inside of the tube.

It has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies.

It is used as a traditional method of treating wood panel on houses, either alone dissolved in water or as a component of water-based paint.

Application Rates for Moss Killing

As regards the rates of application for the above material, this very much depends on the end use of the material and also the location where the product is to be used. What has to be stressed is that no two sets of circumstances will be the same and therefore a small area would need to be tested to satisfy yourself of suitability

For use as a Moss Killer

We would advise that initially you test a small area with a 1% Ferrous Sulphate Heptahydrate solution (ie. 10gms/1L of water). If this does not give the desired effect a stronger solution can be used up to a maximum of 5% Ferrous Sulphate Heptahydrate (50gms/1L of water ).

A typical average strength to use would be a 3% solution. To make the solution add 30g of ferrous sulfate for every litre of water (for example for a 15L sprayer you will need 450g of ferrous sulfate ).

How much Iron sulfate is needed to treat 1 acre

An acre is approx 4050 sq m. Therefore a 3% solution applied at 5sq m per litre will require 810L of solution which equates to 24.3kg of ferrous sulfate powder.

Application of the solution should be at a rate of 5 square metres for every litre of chemical mix. Apply evenly over lawn etc avoiding overspray contact with other plants and paths, patios etc.

After 2 to 3 days you will see that the moss has turned black in colour indicating that the moss has been successsfully killed. At this point one should use a tined rake to loosen and remove dead moss. Application of a lawnmower set to low cut will help in the removal. Please note: the grass cuttings and dead moss should not be added to compost bins.

Please be aware that ferrous sulfate is only for use on grass areas and is not designed to be used on hard surfaces as it may stain. For hard surfaces like roofs, paths, patios etc Zinc Sulphate can be used or a proprietry chemical like MossKill Premium.

If ferrous sulfate comes in contact with concrete for example it will stain the surface brown which effectively is a rust stain. To remove this stain one will need to use an acid solution like Oxalic acid (used as a 5% solution).

When treating lawns etc with ferrous sulfate keep pets off the surface for at least one week. This protects their well being and prevents transfer of residues onto hard surfaces (i.e. brown staining).

For application on agricultural pasture land / paddocks etc use at the same rates as above. Animals like horses must be kept of grasslands for at least 4 weeks before being allowed back to graze.

An over usage of Ferrous Sulphate can be harmful if the land being applied to has a low pH (very Acidic) as Ferrous Sulphate is naturally very acidic with a pH of 2.5.

NOTE: We must stress that this information can only be used as a guideline and is given in good faith. We cannot be held responsible for any adverse effects that may be experienced as a result of use of the above product.

Health & Safety

R-Phrases: R22 Harmful if swallowed. R36/38 Irritating to eyes and skin.

S-Phrases: S46 If swallowed, seek medical advice immediately and show container or label.

For full MSDS for iron sulfate / ferrous sulfate see website – click on link below.

Where to buy Buy Iron sulfate / Ferrous sulfate online

What is Pigment yellow 42 and what is it used for ?

Pigment yellow 42

What is Pigment yellow 42

Pigment yellow 42, also known as Yellow Iron oxide is a yellow powder in the form of an alkaline oxide with comparatively stable chemical properties. It is slightly soluble in acids but completely dissolves in concentrated hydrochloric acid. Iron oxide is used in coating, printing ink and paint, and also as a coloring agent for building material, rubber and paper-making. It widely used due to its bright and pure colour, good weather proofing and high opacity. It is manufactured by the precipitation of ferric oxide hydroxide followed by purification through washing, drying and milling.

Properties & Specification of Pigment yellow 42:

  • Other Names: C.I. 77492; Iron (III) oxide monohydrate yellow; Ferric oxide hydrate; Pigment yellow 42; Bayferrox 920;
  • CAS No: 51274–00–1
  • EINECS: 257–098–5
  • Formula: Fe2O3 H2O / FeOOH
  • MOL Wt: 177.71 g/mol
  • Assay: >98%
  • Fe2O3 content: 86%
  • Physical state: yellow powder
  • Particle size: not available
  • Relative density: 4.03 g/cm3
  • Melting Point: 1538 oC
  • Solubility: insoluble
  • pH Value: 4.5

Yellow iron oxide is insoluble in water and alcohol but is soluble in concentrated mineral acids. When heated to 80C it loses water and converts to red ferric oxide.

Where to Buy Pigment yellow 42 online

Uses for Pigment yellow 42:

  • Used as yellow pigment (CI pigment 42:77492).
  • A pigment in ceramics to produce glazes.
  • Coating, paint, scagliola, tinting of the wall, floor.
  • Pigment of watercolour and grease-paint.
  • Tinting of the leather-colorant.

Pigment yellow 42 is also used in paints, enamels, Porcelain Enamels, concrete colorants, plastics, rubber, and paper where permanent yellow is required. It has excellent hiding power, absorbs ultraviolet light, is compatible with a broad range of vehicles, disperses well in aqueous and solvent systems, does not contain heavy metals. Other applications are in Primers, Wood Primers, Dry Distemper, Cement Paints, Adhesives, Cement Flooring, Vinyl Flooring, Designer Tiles, Paving blocks, Cement Colours , Mosaic Tiles, Ceramics, Plastics (Plastics Asphalt), PVC, Rubber products ,Paper, Crayons, Leather, Glazes, Dadoes, Plaster works. Elastomers , Textile, Inks, Fiber, Glass Polishing, Metal Polishing, Rouge Polishing, Optical Lens etc . . .

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What is Ferric Oxide Monohydrate and what is it used for ?

Ferric Oxide Monohydrate

What is Ferric Oxide Monohydrate

Ferric oxide monohydrate also known as Yellow Iron oxide or  Pigment yellow 42 is yellow powder in the form of an alkaline oxide with comparatively stable chemical properties. It is slightly soluble in acids but completely dissolves in concentrated hydrochloric acid. Iron oxide is used in coating, printing ink and paint, and also as a coloring agent for building material, rubber and paper-making. It widely used due to its bright and pure colour, good weather proofing and high opacity. It is manufactured by the precipitation of ferric oxide hydroxide followed by purification through washing, drying and milling.

Properties & Specification of Ferric oxide monohydrate:

  • Other Names: C.I. 77492; Iron (III) oxide monohydrate yellow; Ferric oxide hydrate; Pigment yellow 42; Bayferrox 920;
  • CAS No: 51274–00–1
  • EINECS: 257–098–5
  • Formula: Fe2O3 H2O / FeOOH
  • MOL Wt: 177.71 g/mol
  • Assay: >98%
  • Fe2O3 content: 86%
  • Physical state: yellow powder
  • Particle size: not available
  • Relative density: 4.03 g/cm3
  • Melting Point: 1538 oC
  • Solubility: insoluble
  • pH Value: 4.5

Yellow iron oxide is insoluble in water and alcohol but is soluble in concentrated mineral acids. When heated to 80C it loses water and converts to red ferric oxide.

Where to Buy Ferric oxide monohydrate online

Uses for Ferric oxide monohydrate:

  • Used as yellow pigment (CI pigment 42:77492).
  • A pigment in ceramics to produce glazes.
  • Coating, paint, scagliola, tinting of the wall, floor.
  • Pigment of watercolour and grease-paint.
  • Tinting of the leather-colorant.
  • Food Grade oxide is used as a food additive.

Ferric oxide monohydrate is also used in paints, enamels, Porcelain Enamels, concrete colorants, plastics, rubber, and paper where permanent yellow is required. It has excellent hiding power, absorbs ultraviolet light, is compatible with a broad range of vehicles, disperses well in aqueous and solvent systems, does not contain heavy metals. Other applications are in Primers, Wood Primers, Dry Distemper, Cement Paints, Adhesives, Cement Flooring, Vinyl Flooring, Designer Tiles, Paving blocks, Cement Colours , Mosaic Tiles, Ceramics, Plastics (Plastics Asphalt), PVC, Rubber products ,Paper, Crayons, Leather, Glazes, Dadoes, Plaster works. Elastomers , Textile, Inks, Fiber, Glass Polishing, Metal Polishing, Rouge Polishing, Optical Lens etc . . .

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What is Yellow Iron Oxide and what is it used for ?

iron oxide yellow

What is Yellow Iron Oxide

Yellow Iron oxide also known as Pigment yellow 42 is yellow powder in the form of an alkaline oxide with comparatively stable chemical properties. It is slightly soluble in acids but completely dissolves in concentrated hydrochloric acid. Iron oxide is used in coating, printing ink and paint, and also as a coloring agent for building material, rubber and paper-making. It widely used due to its bright and pure colour, good weather proofing and high opacity. It is manufactured by the precipitation of ferric oxide hydroxide followed by purification through washing, drying and milling.

Properties & Specification of yellow iron oxide:

  • Other Names: C.I. 77492; Iron (III) oxide monohydrate yellow; Ferric oxide hydrate; Pigment yellow 42; Bayferrox 920;
  • CAS No: 51274–00–1
  • EINECS: 257–098–5
  • Formula: Fe2O3 H2O / FeOOH
  • MOL Wt: 177.71 g/mol
  • Assay: >98%
  • Fe2O3 content: 86%
  • Physical state: yellow powder
  • Particle size: not available
  • Relative density: 4.03 g/cm3
  • Melting Point: 1538 oC
  • Solubility: insoluble
  • pH Value: 4.5

Yellow iron oxide is insoluble in water and alcohol but is soluble in concentrated mineral acids. When heated to 80C it loses water and converts to red ferric oxide.

Where to Buy Iron Oxide yellow online

Uses for Iron Oxide Yellow:

  • Used as yellow pigment (CI pigment 42:77492).
  • A pigment in ceramics to produce glazes.
  • Coating, paint, scagliola, tinting of the wall, floor.
  • Pigment of watercolour and grease-paint.
  • Tinting of the leather-colorant.

Yellow iron oxide is also used in paints, enamels, Porcelain Enamels, concrete colorants, plastics, rubber, and paper where permanent yellow is required. It has excellent hiding power, absorbs ultraviolet light, is compatible with a broad range of vehicles, disperses well in aqueous and solvent systems, does not contain heavy metals. Other applications are in Primers, Wood Primers, Dry Distemper, Cement Paints, Adhesives, Cement Flooring, Vinyl Flooring, Designer Tiles, Paving blocks, Cement Colours , Mosaic Tiles, Ceramics, Plastics (Plastics Asphalt), PVC, Rubber products ,Paper, Crayons, Leather, Glazes, Dadoes, Plaster works. Elastomers , Textile, Inks, Fiber, Glass Polishing, Metal Polishing, Rouge Polishing, Optical Lens etc . . .

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What is Iron (II) Sulphate heptahydrate and what is it used for ?

What is Iron (II) sulphate Heptahydrate

Iron (II) sulphate heptahydrate also known as Ferrous (II) Sulphate is a blue green crystal with the formula FeSO4.7H2O. Originally it was known as “green vitriol” or “copperas”. It is soluble in water and melts at 64C. It is produced as a by-product of the pickling of steel. It is used as a mordant in dyeing wool, in the manufacture of ink, in water purification as a substitute for aluminum sulphate, as a fertilizer, and as a feed additive. It is also used to produce magnetic ferric oxide.

SPECIFICATION:

  • Synonyms: Ferrous sulfate; Iron (ii) sulfate; green vitriol; iron vitriol; copperas;
  • Appearance: blue/green crystals
  • CAS No: 7782–63–0
  • EINECS No: 231–753–5
  • FeSO4.7H2O: > 99%
  • Molecular weight: 278.01
  • Fe: 20% min
  • Pb: 0.002% max
  • Solubility: Soluble in Water 486g/L
  • Insoluble in: Alcohol
  • Melting Point: 64C
  • Boiling Point: 400C decomposes

USES FOR IRON SULPHATE

  • It is used as a lawn conditioner,and moss killer. See below for full details on application.
  • 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 including iron gall ink.
  • 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. Ferrous sulfate is sometimes added to the cooling water flowing through the brass tubes of a turbine condenser. It forms a corrosion-resistant, protective coating on the inside of the tube.

It has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies.

It is used as a traditional method of treating wood panel on houses, either alone dissolved in water or as a component of water-based paint.

Application Rates for Moss Killing

As regards the rates of application for the above material, this very much depends on the end use of the material and also the location where the product is to be used. What has to be stressed is that no two sets of circumstances will be the same and therefore a small area would need to be tested to satisfy yourself of suitability

For use as a Moss Killer

We would advise that initially you test a small area with a 1% Ferrous Sulphate Heptahydrate solution (ie. 10gms/1L of water). If this does not give the desired effect a stronger solution can be used up to a maximum of 5% Ferrous Sulphate Heptahydrate (50gms/1L of water ).

A typical average strength to use would be a 3% solution. To make the solution add 30g of ferrous sulphate for every litre of water (for example for a 15L sprayer you will need 450g of ferrous sulphate).

How much Iron sulphate is needed to treat 1 acre

An acre is approx 4050 sq m. Therefore a 3% solution applied at 5sq m per litre will require 810L of solution which equates to 24.3kg of ferrous sulphate powder.

Application of the solution should be at a rate of 5 square metres for every litre of chemical mix. Apply evenly over lawn etc avoiding overspray contact with other plants and paths, patios etc.

After 2 to 3 days you will see that the moss has turned black in colour indicating that the moss has been successsfully killed. At this point one should use a tined rake to loosen and remove dead moss. Application of a lawnmower set to low cut will help in the removal. Please note: the grass cuttings and dead moss should not be added to compost bins.

Please be aware that ferrous sulphate is only for use on grass areas and is not designed to be used on hard surfaces as it may stain. For hard surfaces like roofs, paths, patios etc Zinc Sulphate can be used or a proprietry chemical like MossKill Premium.

If ferrous sulphate comes in contact with concrete for example it will stain the surface brown which effectively is a rust stain. To remove this stain one will need to use an acid solution like Oxalic acid (used as a 5% solution).

When treating lawns etc with ferrous sulphate keep pets off the surface for at least one week. This protects their well being and prevents transfer of residues onto hard surfaces (i.e. brown staining).

For application on agricultural pasture land / paddocks etc use at the same rates as above. Animals like horses must be kept of grasslands for at least 4 weeks before being allowed back to graze.

An over usage of Ferrous Sulphate can be harmful if the land being applied to has a low pH (very Acidic) as Ferrous Sulphate is naturally very acidic with a pH of 2.5.

NOTE: We must stress that this information can only be used as a guideline and is given in good faith. We cannot be held responsible for any adverse effects that may be experienced as a result of use of the above product.

Health & Safety

R-Phrases: R22 Harmful if swallowed. R36/38 Irritating to eyes and skin.

S-Phrases: S46 If swallowed, seek medical advice immediately and show container or label.

For full MSDS for iron sulphate / ferrous sulphate see website – click on link below.

Where to buy Buy Iron sulphate / Ferrous sulphate online

How to use Boric Acid powder to kill fleas on carpets

People have been fighting fleas, ants, cockroaches and other pest with boric acid for decades. Boric acid is one of the most effective flea control agents ever developed.  Fleas live off the blood they gain from their hosts, normally animals & pets like cats and dogs but they can also feast on the blood of humans.

Boric acid is a wonderful tool for controlling fleas in homes, especially on carpets where they tend to live and lay their eggs. It is effective in extremely small amounts and retains its potency almost indefinitely provided the deposit remains dry. Boric acid is deadly to fleas, but is low in toxicity to people, pets and other non target animals. It is also odourless and contains no volatile solvents. In humans, boric acid is only slightly more toxic than table salt but care must always be taken when using around pets and children.

Fleas succumb to boric acid when they crawl over treated areas. Boric acid powder kills fleas by acting as a desiccant causing severe dehydration to them and ensuring death. In order to eliminate the fleas it is important to treat all areas by sprinkling the powder over the surfaces.

Where to buy boric acid powder

***How to make an applicator for using boric acid***

Take an old Pringles container or similar which has a detachable plastic lid. It is important to place stick a label on the outside of the container and write clearly that it contains Boric Acid so as there is no chance of it being misused at a later date. Put a few pebbles into the container (these help to prevent the powder caking when it is stored away and also helps when applying). Now fill the container up to about 2/3 full with the boric acid powder. Carefully, using a knitting needle or similar pointed tool pierce the plastic lid of the container 20 or 30 times to form a series of holes through which the boric acid can pass.

Alternatively just buy a shaker as for instance used for castor sugar but make sure that you label it for the boric acid and keep it away from food stuffs and out of reach of children.

***Where to apply the boric acid***

Where the powder is applied is just as important as how it’s applied. Fleas prefer to live in carpets, fabrics, upholstery, bedding etc. All areas can be treated with boric acid powder but care should be taken with coloured fabrics to prevent possible discolouration. If unsure pre-test an inconspicuous area first. Remember to apply under furniture.

NEVER apply boric acid onto countertops or other exposed surfaces, especially those used to prepare food.

***How to apply boric acid to kill fleas***

Before applying boric acid it is advisable to vacuum the carpets, upholstery etc first. Dispose of the vacuum bag into the bin as many of the fleas will been lifted. Remove all loose objects, toys, shoes, etc from the areas to be treated.  For best results, the powder should be applied in a very thin layer barely visible to the naked eye.  To apply a fine layer, shake the container and puff a small quantity of the powder into the target area. Then work the powder into the carpet pile with a soft bristled brush so that it gets down where the fleas tend to live. If applying to upholstery use a hand brush remembering to work the boric acid down into gaps.

After 1 – 2 days vacuum all surfaces treated and vacuum carpets regularly after this as the boric acid will continue to kill both the fleas and their larvae. After a month shampoo carpets.

Where to buy boric acid powder online UK