Sika Efflorescence Remover | Remove Salt Stains from Bricks and Concrete - 5 Litre

I have read quite a few negative reviews, but thought I would try it - I paid £13 odd for 5 litres, so not expensive.I tried it on the smallest bit of slate first, to make sure it wouldn’t damage it as some people have said their paving got stained. The results speak for themselves- look at my before and after pics - years of calcified water deposits were removed from a second hand water feature - it was a bit of a labour of love and the build up needed a few goes, but I did it with one 5 litre container. This is my method: I painted it on the first time, then pressure washed off after a few hours- removed some but not all of the salts, so repeated a few times over the week Smaller bits of slate were submerged in a bucket. Finally, with the awkward bits, I soaked kitchen roll in salt away, and packed it around and into the awkward areas - covered it in plastic bags to keep it moist over night, and again pressure washed off, and that worked a treat - I maybe should have done that earlier. This product is made of Citric acid and water according to the packaging - NOT ammonia as stated in the listing. Whatever its made from, I recommend it, but you do need to put in a bit of time and effort.

Used the entire container, did not make any difference at all. Followed instructions, not even a large area, no difference from before at all.

Bought due to patio having salt deposits all over it, apparently the extreme weather conditions this year have effected a lot of paving during manufacture, this is £10 cheaper than the local builders Merchant, given 4 stars as have used but waiting for final result, pavers have lightened and a lot of salt came out but after the heavy rains it's just watch and see, hopefully it's worked- Hint - easier to brush on as a spray leaves spot mark's, and it leaves a stick residue so be careful to remove any plant pots etc, wear protective gloves and ensure arms and legs are covered and wear wellies.

It worked really well to remove efflorescence Salts. If you use it the right way, you will be very satisfied with the product. You can check my pictures to believe.

Wasn't expecting this to draw more effervescent to the surface but the blocks were starting to clear, so i decided a shot with this would polish of the few remaining deposits , oops not exactly so drew more to the surface than was there before will exhaust the process faster and does effect salt bloom for sure but you may not have the desired effect in all situations so you may not get the type of removal you want you may release more to the surface, i am happy to speed up the process you but may want to remove completely so this may not be the case.

I had high hopes but unfortunately there is zero difference. I followed the instructions and treated the area four times over two days but no change. Waste of money

Does the job.

Rubbish! Not fit for purpose - I followed the instruction to the letter on some lightly salted 3 year old brick flower beds, but it removed little if any of the salt marks, even after 3 attempts. Save your money & buy a wire brush just add gallons of water. Very disappointed.