SAFE STORAGE - Store cool and upright for longevity!
BLEACHING POWER - Brightens surfaces while cleaning!
QUICK EASY USE - Targeted spray action for minimal mess!
SAY GOODBYE TO MOULD - Effortlessly eliminates stubborn stains!
VERSATILE APPLICATION - Perfect for walls, tiles, and more!
HG Mould Spray is a powerful 500ml cleaner designed to effectively remove mould and mildew from various surfaces, including walls, tiles, and seals. Its easy-to-use spray mechanism ensures targeted application, making it ideal for both indoor and outdoor use. With a bleaching effect, it not only cleans but also brightens surfaces, ensuring a fresh and clean environment.
Specifications
Product Name
HG Mould Spray
Weight
500 g
Volume
0.5 litres
Units
500.0 millilitre
Storage Instructions
Transport and store cool, dark and in an upright position.
Manufacturer contact
Unit 2 Lanswood Park Colchester Co7 7Fd
Brand
HG
Format
Liquid
Have a Question? See What Others Asked
A corner of my bedroom is covered with mould. Can I use it on painted wall?
I have some mould behind some boxed in pipes, so it would be difficult to wash area after application
If I use this on my bedroom ceiling will I have to paint the ceiling afterwards. i.e. will it discolour or attack the paint ?
I used this on several areas of mould - I didn't clean off again as I don't want the mould to return - should I clean it off or will it be ok ??
Reviews
4.6
All from verified purchases
C**R
Seriously works wonders
HG mould spray seriously works wonders. I used it on some stubborn spots around the shower and within minutes, the mould just started to fade away. No crazy scrubbing needed. It’s super easy to use: just spray, wait for 30mins and a gentle scrub. I’ve tried a few different products before, but this one actually delivers without much effort. Makes the bathroom look fresh and clean again with minimal hassle!CONS: The smell is a bit harsh though.
A**.
Great product
A Game-Changer for Tackling Mould—Highly Effective!Having tried countless mould sprays over the years, this is the only one that has truly delivered exceptional results. It’s incredibly effective and has saved me time, money, and effort in both my home and work life.I’ve used this spray on silicone sealant that I thought would require expensive replacement due to dark black mould spots. To my surprise, just a couple of applications completely eradicated the mould! For very deep, dark, or large areas of mould that have penetrated the sealant, multiple applications may be necessary, but even then, the mould fades significantly.This product works wonders not just on bathroom and kitchen sealants but also on discoloured grout, window frames and seals, skirting boards, backs of furniture (with care—always test a small area first and avoid soaking expensive or varnished items), and bathroom/shower walls and ceilings. While it’s not officially recommended for painted surfaces, I’ve successfully used it on white emulsion-painted areas without any issues—no scrubbing required! I typically spray generously and leave it overnight for best results. For tougher mould spots, a second or third application might be needed.The spray does have a strong chemical odour similar to bleach, so proper precautions are essential. I recommend wearing a mask and goggles (especially if spraying higher areas like ceilings) and ensuring the room is well-ventilated by opening windows. With common-sense safety measures in place, it’s easy to use effectively.As someone who works in property management and deals with over 20 properties annually that have condensation-related mould issues, this product has been a lifesaver. It allows me to resolve mould problems quickly and efficiently. We also use it routinely between tenancies to clean bathrooms—grout, sealant, and ceilings—saving significant time compared to scrubbing grout with bleach or replacing sealant altogether.In my own home, I used to replace the shower sealant every 12–18 months due to mould buildup. Since using this spray, the sealant looks like new and stays fresh for years! Regularly spraying as soon as mould spots appear prevents the need for multiple applications and makes one bottle last an impressively long time.I’ve only deducted one star for minor reasons: the product takes several hours to work its magic (so patience is required), multiple applications may be needed for severe mould cases, and the odour can be quite strong when working with large areas. Additionally, while the safety catch above the trigger is a bit fiddly, it’s an essential feature for child safety. The internal tube now needs inserting before first use—it’s slightly inconvenient but helps prevent damage from long-term chemical exposure if stored unused for extended periods.Overall, this product is nothing short of amazing. It’s transformed how I deal with mould at home and in my work. If you’re looking for an effective solution to tackle stubborn mould problems without breaking the bank or spending hours scrubbing, I highly recommend giving this a try!
G**E
Great product but smells
Great product. Had small amounts of mould around the window. Sprayed on the item and left for 30 mins removed all of the mould. Downside is that the product stinks. Make sure you air the room.
H**R
Fast-acting mould cleaner
I'm absolutely thrilled with HG Mould Spray! It's honestly one of the best mould and mildew cleaners I've ever used.I had a particularly stubborn mould problem in my bathroom, especially on the silicone sealant around the bath and in the corners of the shower. I tried a few other products, but they didn't really do the trick. Then I decided to give HG Mould Spray a go, and I'm so glad I did.Here's what I loved about it:Highly Effective: It worked like magic! The mould started to disappear within minutes of spraying. I left it on for the recommended time, and when I came back, the surfaces looked brand new.Easy to Use: The spray is very easy to apply, and it gets into all those awkward corners and edges. No scrubbing or hard work is required!Versatile: I've used it on various surfaces, including tiles, silicone, and grout, and it has worked wonders on all of them.Fast-Acting: It works much faster than other mould cleaners I've used.Overall, I'm extremely impressed with HG Mould Spray. It's a powerful and effective solution for removing mould and mildew, and it has made my bathroom look clean and fresh again. I would highly recommend it to anyone struggling with stubborn mould problems.
J**E
Powerful
I don’t know what mould removal was before this great piece of art. I no longer have to waste time scrubbing after spraying mould spray and enduring the smell. Don’t get me wrong it is very strong but I can spray leave. Come back to complete removal of mould. I would buy this 10 times over super functional. It’s obviously clear in colour and great value for money. Mould slobs right off honestly don’t waste any time on using anything else. Just buy this.
X**K
Great stuff as usual from HG
This HG mould spray is like all the other products, absolutely amazing a nd does as stated.We are soon to move out of our Military house as we have a bit of mould appearing on some of the silicone services and this has got rid of it with no issues and cleans it up with no issues bringing back that priginal shine on the silicone.Great stuff and always great value for money as it lasts so long.
M**A
Great item
Vary good on wall, wood and other material. It does remove the mould in less than few minutes.Strong odour, so keep the room ventilated
A**N
The product works well but chips paint and has a strong smell
The product does the job well, but it damaged the wall and the paint has now cracked and chipped from the ceiling. The bleach smell was so strong that even after opening all the windows and doors in the room/house took hours to get rid off.
Common Questions
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Anita G.
Good experience, but the tracking updates could be better.
2 months ago
Imran F.
Very reliable shop with genuine products. Will definitely buy again!
Attention: we recommend you to ventilate well during use and to wear rubber/plastics gloves. Prevent splashing on clothing, (high) gloss paint and laminated blinds. Rinse with water immediately in case of contact with skin, clothing and sensitive surfaces. Avoid contact with metals such as prints on ornamental strips, aluminium and stainless steel. Do no treat coloured surfaces. We do not recommend using this product on artexed ceilings. In elastic grouting (for instance silicone paste) sometimes some permanent brown discolouration may occur after use. In badly glazed tiles and old tiles with hairline cracks brown discolouration may occur. This brown colour can possibly be removed with hypo (sodium thiosulfate), which can be obtained from your customer service department. Do not reuse the bottle. Medical personnel can request the data sheet via +31 (0)36 54 94 777 the consumer's information sheet can be obtained via www.HG.eu warning h315- causes skin irritation. H319- causes serious eye irritation. H400- very toxic to aquatic life. Euh206- warning! Do not use together with other products. May release dangerous gases (chlorine). P101- if medical advice is needed, have product container or label at hand. P102- keep out of reach of children. P264- wash hands thoroughly after handling. P273- avoid release to the environment. P305+p351+p338- if in eyes: rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P337+p313- if eye irritation persists: get medical advice/attention.
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I used it on some stubborn spots around the shower and within minutes, the mould just started to fade away. No crazy scrubbing needed. It’s super easy to use: just spray, wait for 30mins and a gentle scrub. I’ve tried a few different products before, but this one actually delivers without much effort. Makes the bathroom look fresh and clean again with minimal hassle!CONS: The smell is a bit harsh though."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"A***."},"datePublished":"7 April 2025","name":"Great product","reviewBody":"A Game-Changer for Tackling Mould—Highly Effective!Having tried countless mould sprays over the years, this is the only one that has truly delivered exceptional results. It’s incredibly effective and has saved me time, money, and effort in both my home and work life.I’ve used this spray on silicone sealant that I thought would require expensive replacement due to dark black mould spots. To my surprise, just a couple of applications completely eradicated the mould! For very deep, dark, or large areas of mould that have penetrated the sealant, multiple applications may be necessary, but even then, the mould fades significantly.This product works wonders not just on bathroom and kitchen sealants but also on discoloured grout, window frames and seals, skirting boards, backs of furniture (with care—always test a small area first and avoid soaking expensive or varnished items), and bathroom/shower walls and ceilings. While it’s not officially recommended for painted surfaces, I’ve successfully used it on white emulsion-painted areas without any issues—no scrubbing required! I typically spray generously and leave it overnight for best results. For tougher mould spots, a second or third application might be needed.The spray does have a strong chemical odour similar to bleach, so proper precautions are essential. I recommend wearing a mask and goggles (especially if spraying higher areas like ceilings) and ensuring the room is well-ventilated by opening windows. With common-sense safety measures in place, it’s easy to use effectively.As someone who works in property management and deals with over 20 properties annually that have condensation-related mould issues, this product has been a lifesaver. It allows me to resolve mould problems quickly and efficiently. We also use it routinely between tenancies to clean bathrooms—grout, sealant, and ceilings—saving significant time compared to scrubbing grout with bleach or replacing sealant altogether.In my own home, I used to replace the shower sealant every 12–18 months due to mould buildup. Since using this spray, the sealant looks like new and stays fresh for years! Regularly spraying as soon as mould spots appear prevents the need for multiple applications and makes one bottle last an impressively long time.I’ve only deducted one star for minor reasons: the product takes several hours to work its magic (so patience is required), multiple applications may be needed for severe mould cases, and the odour can be quite strong when working with large areas. Additionally, while the safety catch above the trigger is a bit fiddly, it’s an essential feature for child safety. The internal tube now needs inserting before first use—it’s slightly inconvenient but helps prevent damage from long-term chemical exposure if stored unused for extended periods.Overall, this product is nothing short of amazing. It’s transformed how I deal with mould at home and in my work. If you’re looking for an effective solution to tackle stubborn mould problems without breaking the bank or spending hours scrubbing, I highly recommend giving this a try!"},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"4.0"},"author":{"@type":"Person","name":"G***E"},"datePublished":"15 February 2025","name":"Great product but smells","reviewBody":"Great product. Had small amounts of mould around the window. Sprayed on the item and left for 30 mins removed all of the mould. Downside is that the product stinks. Make sure you air the room."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"H***R"},"datePublished":"13 April 2025","name":"Fast-acting mould cleaner","reviewBody":"I'm absolutely thrilled with HG Mould Spray! It's honestly one of the best mould and mildew cleaners I've ever used.I had a particularly stubborn mould problem in my bathroom, especially on the silicone sealant around the bath and in the corners of the shower. I tried a few other products, but they didn't really do the trick. Then I decided to give HG Mould Spray a go, and I'm so glad I did.Here's what I loved about it:Highly Effective: It worked like magic! The mould started to disappear within minutes of spraying. I left it on for the recommended time, and when I came back, the surfaces looked brand new.Easy to Use: The spray is very easy to apply, and it gets into all those awkward corners and edges. No scrubbing or hard work is required!Versatile: I've used it on various surfaces, including tiles, silicone, and grout, and it has worked wonders on all of them.Fast-Acting: It works much faster than other mould cleaners I've used.Overall, I'm extremely impressed with HG Mould Spray. It's a powerful and effective solution for removing mould and mildew, and it has made my bathroom look clean and fresh again. I would highly recommend it to anyone struggling with stubborn mould problems."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"J***E"},"datePublished":"22 March 2025","name":"Powerful","reviewBody":"I don’t know what mould removal was before this great piece of art. I no longer have to waste time scrubbing after spraying mould spray and enduring the smell. Don’t get me wrong it is very strong but I can spray leave. Come back to complete removal of mould. I would buy this 10 times over super functional. It’s obviously clear in colour and great value for money. Mould slobs right off honestly don’t waste any time on using anything else. Just buy this."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"X***K"},"datePublished":"18 May 2025","name":"Great stuff as usual from HG","reviewBody":"This HG mould spray is like all the other products, absolutely amazing a nd does as stated.We are soon to move out of our Military house as we have a bit of mould appearing on some of the silicone services and this has got rid of it with no issues and cleans it up with no issues bringing back that priginal shine on the silicone.Great stuff and always great value for money as it lasts so long."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"M***A"},"datePublished":"30 April 2025","name":"Great item","reviewBody":"Vary good on wall, wood and other material. It does remove the mould in less than few minutes.Strong odour, so keep the room ventilated"},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"3.0"},"author":{"@type":"Person","name":"A***N"},"datePublished":"30 April 2025","name":"The product works well but chips paint and has a strong smell","reviewBody":"The product does the job well, but it damaged the wall and the paint has now cracked and chipped from the ceiling. The bleach smell was so strong that even after opening all the windows and doors in the room/house took hours to get rid off."}],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.625,"bestRating":5,"ratingCount":8}},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"A corner of my bedroom is covered with mould. Can I use it on painted wall?","acceptedAnswer":{"@type":"Answer","text":"Hello, yes you can use it on a painted wall, i also had the same problem, i sprayed the area and left it for about 15 mins, i used some warm water and a cloth, and it wiped away, i have not had any mold return since, depending on the mold you might want to leave the spray on for longer, its great stuff and works a treat, good luck with your mold problem."}},{"@type":"Question","name":"I have some mould behind some boxed in pipes, so it would be difficult to wash area after application","acceptedAnswer":{"@type":"Answer","text":"I would still squirt some down there and mop up any seepage, if you do it at regular intervals I guess in time you'll get it all!. It's really good stuff. R"}},{"@type":"Question","name":"If I use this on my bedroom ceiling will I have to paint the ceiling afterwards. i.e. will it discolour or attack the paint ?","acceptedAnswer":{"@type":"Answer","text":"You can use it on the ceiling. Once you have sprayed leave it fir 15-20 min but try not To use the room for 24 hours. \nI used mine but no paint came off. Within minutes mould was gone"}},{"@type":"Question","name":"I used this on several areas of mould - I didn't clean off again as I don't want the mould to return - should I clean it off or will it be ok ??","acceptedAnswer":{"@type":"Answer","text":"Mould got so bad around my bathroom window I sprayed all around it including the paintwork and left it on. After about 40 mins I took a look and the mould had completely disappeared leaving paintwork and window sealant clean and mould free. Might add I sprayed it on gloss painted toilet seat a few weeks ago (didn't read the instructions not to spray it on high gloss) and the white toilet seat turned bright yellow despite rinsing with clean water. I left it thinking I'd have to replace the seat but after a few hours it turned back to white again.!! great product despite the strong bleach smell."}}]}]}
