Efflorescence Removing Solution

Efflorescence Remover


Efflorescence Removing Solution is a cleaning solution that removes white efflorescence buildup from tiles, concrete, bricks, pavers, etc.

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Code: ERS

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Efflorescence Removing Solution is a cleaning solution that removes white efflorescence build-up from hard surfaces and returns them to their pre-stained appearance.
This efflorescence remover is effective on tiles, concrete, bricks, pavers and other hard surfaces.
Remove Efflorescence

What is efflorescence?

‘Efflorescence’ is a term frequently used to describe a whitish mineral salt build-up often seen on, or around, brickwork and cast concrete. 

Why does efflorescence occur?

Efflorescence is mainly calcium carbonate that is formed as a result of the interaction of the lime in the concrete and the atmosphere. This calcium carbonate is then brought to the surface via water. 
A source of water is required for efflorescence to continue to appear after repeatedly being cleaned away.  Calcium carbonate is dissolved into the water and then carried to the surface. The water then evaporates leaving the mineral salt residue behind – similar to the process that forms stalactites and stalagmites. 
It is important to note that newly laid concrete can show signs of efflorescence as a result of the curing process as it gradually drys out. This can be viewed as a natural part of the process and not a sign of an ongoing problem.  This should slow and stop within a few months. 
More information on efflorescence can be found on Wikipedia – here’s the link.

How can efflorescence be removed?

In most normal cases the application of Efflorescence Removing Solution is sufficient to clean away these unsightly deposits.
However, in extreme cases where efflorescence build-up is thick, the bulk of it can be removed with a handheld grinder (angle grinder), although this is usually something only a specialist should attempt. There is the risk that the underlying surface could be damaged.
In the case of heavy deposits on hardy surfaces, you may like to consider Tile Clean.

How can I stop efflorescence from happening?

If the efflorescence is associated with recently poured concrete or brickwork there may not be a problem to be remedied. However, if you have concerns, you should discuss them with your contractor or the attending engineer.
Older building works with persistent efflorescence problems may require physical remediation. Water is passing through the substrate and carrying the calcium carbonate with it. The source of this water should be identified, this could be rain, the natural flow of other groundwater, a plumbing problem, or a combination of all three. 
If the affected area is large, or structural, a suitably qualified and experienced engineer should be consulted. 
Stopping or diverting the water flow is key to the solution.
Other mitigating measures such as adding weep-holes near the affected area can also be helpful. These weep-holes can provide an easier path for the water to follow, leading the water away from the affected area. 
The solution may also be as simple as applying a suitable penetrating sealer to the area and adjacent areas to reduce the amount of rainwater ingress. Our penetrating sealer products area Aqua Repellow and Sheild IT.



  • Dilute 1 part to 10 parts water.
  • Where there is heavy salt residue, dilution may be decreased.
  • Do not use undiluted.
  1. If treating a large area, apply to the surface using an acid-resistant sprayer, and agitate with a stiff brush.
    If applying to a small area then dip a handheld brush into the solution and then apply to the surface and agitate.
    (You will see that the salt deposits will become noticeably whiter. This indicates that the solution is working and salts are being dissolved.)
  2. Allow the solution to dwell for five minutes, but do not allow it to dry. Reapply to keep it wet if necessary.
  3. Thoroughly rinse the surface with clean water.

Note: For heavy contamination, the above process may need to be repeated several times, or a mechanical process may be required to reduce the thickness of the salt deposits.



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