Unfortunately, this deal has expired 7 September 2023.
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Posted 6 September 2023

HG Mould Spray 500ml (£3.28 Subscribe & Save)

£3.50
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Nice offer on this HG Mould Spray, now reduced to £3.50 at the checkout at Amazon.

Price matching Tesco but with possible additional money off through Subscribe & Save.

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The HG Mould Spray cleaner quickly and effectively removes mould, mildew and fungus from almost any surface. Ideal to use on the silicon seal between the bathtub and wall, around window frames and more surfaces. This anti mould foam is also suitable for cleaning grout, swimming pool tiles and seals, as well as mouldy stains in the garage, shed and conservatory. The easy to use spray rapidly removes all brown and black marks caused by mould, fungus and algae - both indoors or outdoors.



The effective mould remover spray & mildew cleaner
Effortlessly eliminates all moulds, making filthy black stains created by mould disappear

Suitable for a wide range of surfaces
Removes mould & fungus from plastered walls, tiles, bathroom seals, windows & more

For indoor or outdoor use
Kills algae & mould marks around swimming pools, in the garage, shed, washing area, shower cubicle, sauna & conservatory

Easy to use spray
Quick & simple to use directly onto mould or mildew in damp areas, with a targeted spray action to reduce splashing

500ml size HG Mould Spray
Anti mould cleaner with a bleaching effect. Test first in an inconspicuous place before applying. Look at the label for not recommended surfaces such as wood or plastic



How to use HG Mould Spray

The mould cleaner has a bleaching effect. If in doubt, test first in an inconspicuous place.

1. Spray the surface from a distance of 3 to 5 cm with HG mould spray.

2. Leave to work for 30 minutes and then clean with water and a sponge.

  • Contains chlorine based bleaching agents
  • We recommend using gloves and ventilating well during use
  • Use biocides safely
  • Always read the label and product information before use.



Review Snapshot

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Amazon More details at

Community Updates
Edited by DealDiscloser, 6 September 2023
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55 Comments

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  1. wakkaday's avatar
    This get rid of mould black bits on silicone ?
    krishbish's avatar
    The best way to remove the black mould on silicone and works every time for me, is drench a bit of tissue paper/cotton wool in bleach and stick it to the bit that you want to clean. Leave for 24hrs and voila. If it didn't work it's because the bleach wasn't in contact with the silicone, so try again.
  2. TillyLand_'s avatar
    This is now £4.50
    50931378_1.jpg
    Although Tesco £3.50
    50931378-dNqKd.jpg (edited)
    merznoise's avatar
    If you look at your image it shows save £1.00 at checkout, bringing it down to £3.50
  3. gforce23's avatar
    Have used this over the past couple of years, my house seems to attract the worst mould there is!
    But this works really well, a couple of sprays and the vast majority of the mould goes right away. Sometimes I need to spray a second time for a particularly nasty spot that just won't go.
    As a FYI, the regular spray doesn't work as well as the foam, so if you're debating between the two, I'd recommend the latter.
    telf's avatar
    Open all the vents in windows mould is caused mainly through bad ventilation in the home around windows is more common
  4. blahblahblah1234's avatar
    Price increased to £5.25, but with a bigger £1.75 checkout voucher, so it's still £3.50
    Even better S&S savings if anyone's interested.
    Irbyz's avatar
    To clarify checkout voucher is £1.75 PER BOTTLE, not per order.

    So 2 bottles = £5.42 total at 15% S&S. : )
  5. unclem0nty's avatar
    Anyone who needs this on a S&S basis ought to consider moving.
    Flyer01's avatar
  6. Bigpaddya's avatar
    This stuff is fantastic, tried others that needed scrubbing but this just seemed to dissolve the mould, after 30 mins the mould had disappeared. Shock and awe
  7. Kankan101's avatar
    Yay £2.82 on S&S
  8. Regprentice's avatar
    great stuff but doesnt last long as the straw in the bottle snaps at the level of the bleach and stops spraying.
  9. bluesuns2's avatar
    Had this brand before and yes it works and that's a good price
  10. Dadbod's avatar
    Managed to get it for £2.71 so thanks OP
    renrahs's avatar
    Same!
  11. Lewyladz's avatar
    Nice find thankyou 🙏
    TillyLand_'s avatar
    This is now £4.50

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  12. mitsubzt's avatar
    Cheers OP. £3.27 S&S
  13. shez786's avatar
    read the negative lots of people complaining recently about faulty spray part
    JimboParrot's avatar
    That's what happened to mine, so just tip it out onto a cloth now but bottle is nearly empty.
  14. LoveDeal23's avatar
    Good price
  15. dspencer12345's avatar
    £2.82 for me too!
  16. MaxJenson's avatar
    Cilit Bang Black Mould Spray is far more effective. I found FG no better than Wilkos own spray.
  17. Henno's avatar
    £4.50 /£4.28 s&s for me
  18. CariadParadise's avatar
    Fab price
  19. gingertips's avatar
    This stuff is great on bathroom silicone that's showing mould. Only thing is don't leave it on too long otherwise it discolours the silicone
    nothingmuch's avatar
    How long would you recommend to keep it on?
  20. SSAMG98's avatar
    The elbow grease from b&m is an absolute steal for 1.99 works wonders
  21. Criptop's avatar
    Great product! Voted hot. Mainland only though
  22. jimbo23's avatar
    You can get a mould spray from ALDI for £1.19 (edited)
  23. Darkranger's avatar
    This beats every other mould spray that I have tried!
    My daughter had a small patch in the corner of her bedroom, nothing shifted it apart from this.
    Also we had mosaic tiles in our bathroom that had developed a red/brown colour on them, I put up with it for a couple of years, but decided to rip out my bathroom and start again. Thought I'd try spraying this first, as we couldn't decide on a new colour scheme. Unbelievably this rejuvenated our old tiles, bringing them back to "as new" condition. We were so impressed with the transformation that we've put our new bathroom on hold. (edited)
  24. mochalee63's avatar
    Used this in bathroom around edging and works a treat. Also sprayed on painted wall behind radiator with mold before rendering. Make sure you sponge off after 20 mins and it doesn’t leave a mark. Took all mold off and re painted
  25. blahblahblah1234's avatar
    Still available for same price with £1 voucher, should be unexpired?
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