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🖤 Black grout, bold impact—restore your tiles like a pro!
The Twin Pack (BLACK) Grout Pen by Rainbow Chalk Markers Ltd offers a quick, durable solution to restore and refresh tile grout in kitchens and bathrooms. Featuring a water-based, waterproof ink with anti-bacterial properties, each pen covers up to 60 meters of 2mm grout lines and dries in just 2 minutes. Perfect for professionals and DIY enthusiasts seeking a clean, mould-resistant finish without the hassle of re-grouting.











| ASIN | B09GG8J3JY |
| Best Sellers Rank | 7,468 in DIY & Tools ( See Top 100 in DIY & Tools ) 39 in Tile Grout |
| Brand | RAINBOW CHALK MARKERS LTD |
| Colour | Black |
| Compatible Material | Tile |
| Customer Reviews | 4.2 out of 5 stars 1,345 Reviews |
| Included Components | Grout Pens |
| Item Dimensions | 9.5 x 1.4 x 19 centimetres |
| Item Form | Pen |
| Item Weight | 25 Grams |
| Item dimensions L x W x H | 9.5 x 1.4 x 19 centimetres |
| Item weight | 25 Grams |
| Manufacturer | Rainbow Chalk Markers Ltd |
| Manufacturer Part Number | GP81107/2 |
| Material | Water Based Ink |
| Model Number | GP81107/2 |
| Number of Items | 1 |
| Number of Packs | 2 |
| Product Warranty | 30 days |
| Style | Cover Up |
| Style Name | Cover Up |
| Surface Recommendation | Tile |
| Unit Count | 14 millilitre |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |
L**Y
Best grout pens around!
Best grout pens around! I moved into my apartment and it was all white, I thought I would have a go at a grout pen and seeing if I could make it look better. These are so worth the money as the transformation of my bathroom is amazing! The coverage is great and they are very easy to use. I used these in January and it still looks the same so the pen liquid is very durable. It takes around 2 minutes to dry. The pens are the size shown on the advert, however one pen lasts a long time!
J**.
Easy application, instant impact!
These grout pens are the best way to transform your tiles! I have used in both bathroom and kitchen on white grout and they’re fantastic. Two pens were more than enough for the kitchen. For my shower tiles, approx 6 Sam I used 4. Not because the ink ran out, but because the nib starts to blunt and the drawing line becomes thicker. To keep the lines consistent I switch pens more regularly. Long lasting as well. The colour is black, as for it being waterproof it is to an extent. The kitchen area hasn’t required a touch up in 18 months. The bathroom, as it has shower watering hitting and more abrasive cleaner used does start to come off but a quick touch up every 6 months works well. Brilliant value for money and so much easier than re grouting. Dries quicker. Great coverage. Highly recommend.
S**S
Grout pen
Works good on flat surfaces but find when your working down the wall tiles you have to stop and shake it every 30 seconds otherwise it runs dry so it’s abit difficult to use in that sense. But would recommend as once it’s on it looks great and lasts years
W**Y
Good product.
Done all the black tiles on one pen. Just pump the nib if it feels dry.Was impressed.
P**Y
Works a treat
I bought the black grout pens to cover over the white grout on my kitchen tiles. The pens are so easy to use with excellent coverage and they've transformed the look of my kitchen. Very happy.
H**N
A quick win
Works well and long lasting but pen finishes quickly. Dries quickly. Colour lasts.
D**E
Great product
Great product, easy to use, but will be interesting how it stands up to shower use
N**I
Just awful!
What a waste of money and time and energy. It’s awful to use and you cannot get a steady line. Then as soon as tiles get wet (obvious they will in a kitchen or bathroom) it comes off. In the end we had to scrub all the black pen off the grout and re do it on white! Wasted 3 hours and £7, not happy!
J**T
Hard to use
These were crap and extremely hard to use on grout lines, I ended up repainting them as it did not look good
T**N
Works/looks great, but be prepared for the physical work required
I’m on track to use 6 pens to cover a large area (kitchen, dining & living room) Eventually they will dry up obviously but useful volume of each pen is satisfactory. Easy application, but if you want a good result be prepared to lay on the floor and go slow. It’s looking great imo and am having fun doing it little by little. We clean these floors without much water and cleanser, so am not afraid of washing it off, they seem pretty permanent. For me it’s a 5 star product.
L**.
Top
Kann ich nur empfehlen, Fugen aufgewertet und hält jetzt seit 2 Jahren
F**L
Gerne wieder
So wie beschrieben
A**R
Works great 👍
Works great! Except for operated error.... when the tip gets worn out, they provide another tip to replace it within the package. The first package the tips fell out and I had no idea what they were, so I threw them out. On the 2nd package, I figured it out. Remove the worn out tip and install the new one and it works great again. Oh well, it was my first time.
Trustpilot
1 month ago
2 weeks ago