






✨ Refresh your space, one grout line at a time! 🖊️
The Twin Pack (LIGHT GREY) Grout Pen by Rainbow Chalk Markers Ltd offers a water-resistant, anti-bacterial solution to restore and protect tile grout in kitchens and bathrooms. Each pack includes two pens that cover up to 120 meters of 2mm grout lines, delivering a sleek light grey finish that revitalizes surfaces while preventing mold reappearance. Ideal for professionals and home renovators seeking a quick, durable grout makeover.











| ASIN | B09GG87CHC |
| Best Sellers Rank | 13,482 in DIY & Tools ( See Top 100 in DIY & Tools ) 64 in Tile Grout |
| Brand | RAINBOW CHALK MARKERS LTD |
| Colour | Light Grey |
| Compatible Material | Grout, Tile |
| Customer Reviews | 4.4 out of 5 stars 843 Reviews |
| Global Trade Identification Number | 05030105000969 |
| Included Components | Grout Pens |
| Item Dimensions | 9.5 x 1.4 x 19 centimetres |
| Item Form | Pen |
| Item Type Name | Grout Pen |
| Item Weight | 25 Grams |
| Item dimensions L x W x H | 9.5 x 1.4 x 19 centimetres |
| Item height | 19 centimetres |
| Item weight | 25 Grams |
| Manufacturer | Rainbow Chalk Markers Ltd |
| Material | Water Based Acrylic |
| Product Warranty | 30 days |
| Style | Cover Up |
| Style Name | Cover Up |
| Surface Recommendation | Tile |
| Unit Count | 50.0 gram |
| Water Resistance Level | Water Resistant |
| Water resistance level | Water Resistant |
C**S
Rainbow chalk markers grout pens
Great stuff! I was a bit dubious about grout pens, having read varying reports, but these pens more than delivered. I used the light grey, and was very impressed with how well they covered my old grout. So good, I'm gutted I haven't got any more tiling to use them on lol.
D**Y
Great results 👍
Does what it says. Easy to use and good coverage.
D**X
Easy to use although be aware it is a blue-grey colour
I like these grout pens. They do a great job of refreshing grout. Used lightly, one just draws lines along the grout. Any overspill on a tile can be wiped off. Some people think the nib is too soft, falls out etc. I found using in lightly and slowy means I have no issue with the nib. I found this grey pen to leave a blue-grey colour, not light grey. This was fine for me, but may not suit everyone.
H**T
Amazing Transformation
Product arrived quickly. Instructions were easy to follow. Colour was perfect if a little darker than my previous original grout. I had previously tried use cheaper alternatives with little success. The product was perfect. The paint/ application was smooth and steady. 1 pen did my entire bathroom. (9 ish 600x600mm tiles) with plenty of paint left over for areas I had missed.
L**.
The light grey colour has a very blue undertone
Product works well and is easy to apply on smooth clean grout. (The nib will wear quicker if you have old/ uneven grout and use too much pressure). Purchased to cover white grout lines on my grey bathroom wall tiles. My tiler put light grey grout on the floor and white grout on the walls so I was hoping to match the existing floor grout colour. I like that product has anti-mould properties. The grey was a light-medium depth in colour, leaning more towards medium when applied- it was quite a bit darker than my existing floor grout. I only needed one coat, but it showed up very blue against my tiles which ultimately clashed and would have made my bathroom look too cold/ sterile. (My tiles are more like a natural stone grey effect so they have some warmth to them). Luckily I just used it on a test patch out of sight in the corner of the room. I'm going to look for another product with a better colour match. Unfortunately I cannot comment on the longevity of the product or the anti-mould functionality. I think this is a great inexpensive option and product if the colour matches for you.
P**N
Excellent results and some elbow grease
Excellent stuff. Did the job better than I expected. Though I sent the first set back as they were dry and the ink didn't flow. The second lot worked wonders. I did need to pump the nib a few times before the paint flowed but the results are excellent. I shall see in due time how well the paint colours stays.
K**R
Restoring grout on floor tiles
Works well top product
M**S
Ok
Ok