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✨ Transform your grout game — because your tiles deserve a glow-up! 🖌️
The Large Grout Pen by Rainbow Chalk Markers is a professional-grade, waterproof, water-based polymer pen designed to restore and refresh wider grout lines on tile floors and walls. Featuring a large, reversible tip for easy application, it delivers a clean white finish that resists mold and mildew thanks to anti-bacterial agents. Ideal for kitchens and bathrooms, this pen offers a quick, durable solution to stained or discolored grout, making your surfaces look freshly grouted with minimal effort.











| ASIN | B006MDF3ZQ |
| Best Sellers Rank | 12,181 in DIY & Tools ( See Top 100 in DIY & Tools ) 10 in Kitchen & Bathroom Paint |
| Brand | RAINBOW CHALK MARKERS LTD |
| Colour | White |
| Compatible Material | Grout, Tile, Wall, Floor |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.0 out of 5 stars 7,760 Reviews |
| Global Trade Identification Number | 05899406109500 |
| Item Dimensions | 32 x 32 x 159 millimetres |
| Item Form | Pen |
| Item Weight | 79 Grams |
| Item dimensions L x W x H | 32 x 32 x 159 millimetres |
| Item weight | 79 Grams |
| Manufacturer | Rainbow Chalk Markers |
| Manufacturer Part Number | GP81208 |
| Material | Water-based Polymer |
| Model Number | GP81208 |
| Number of Items | 2 |
| Style | Compact |
| Style Name | Compact |
| Surface Recommendation | Tile |
| UPC | 722480212086 |
| Unit Count | 20.0 millilitre |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |
M**S
the best grout pen ever
I will start by saying super speedy delivery the pen it self is big and I cannot fault the product in any way it is bloody fantastic dry super quick and just wipe the excess off with a damp cloth so easy to use my I have done my full kitchen in it and still have some left in fact I am going to order another so I have one in my kitchen now looks like it has been grouted all over again I can't rate this prout any high if you are looking to get a grout pen forget the big name because this one is a must bloody fantastic
A**8
Great product
The tip of the pen gets extra paint all over the tiles which requires a bit more work to clean as you go. Other than that, it's amazing! Did the bathroom and kitchen grouting with some left over! Would definitely buy again but maybe trim the sponge to size first.
F**A
Great product.
Arrived today and I got in about the kitchen tiles which are in dire need of a refresh. I bought two on the basis of previous reviews, and given my kitchen is counter to ceiling tiles. I found the nib was a bit thick, but it’s removable, so I just took it out and cut a sharper point. Followed the instructions, by shaking and pumping the pen, and the product came out perfectly well. I was worried that it might be a bit runny but actually it was great. I used it on the old grout, and gave a light wipe over the tiles to remove any excess on the edges. The tiles looked so good that the ceiling looked grubby so i painted it! Worth the cash for sure.
C**E
Pros and cons
It has faded our black spots but not made them disappear. I have applied multiple times but maybe it's just these spots are extra stubborn as I have tried C-lit Bang too. It was easy to use I'll say that. But not sure I'd say it was good enough to rave about personally.
K**P
Brighten the place up 😊
I used this product initially and wasn't too pleased, but then that was due to user error once I pressed on the pen whilst using it I got a nice covering. I did it twice and left it to dry on the tiles (this will depend on the tile) once dried I used a piece of plastic and a sharp Stanley knife and scrapped away the excess, hoovered and mopped. Job done and everyone in the house has passed comment that it looks good. It really changes the look of tiles and freshens them up. Take your time with it and the finish is worth it. Just wish I could do the edging with it. I put a couple of photos on to show the state of the tiles before and now. Next task the bathroom.
H**E
Money well spent
Was cautious about buying this, but in the end I caved because my bathroom tiles were horrendous, I ended at the conclusion, well, what could make it worse? I ordered this and it arrived next day which was brilliant in itself. I quickly got to work and sorted out the tiles. oh my goodness the difference this makes! We live in a rented property, so redoing the bathroom isn't an option, but you still want everything to look nice on a budget. This completely revamped the tiles, which makes them as good as new. It is so easy to use, and if you do get a little lost, the instructions (for once) were incredibly helpful. The thick tip means you do miss bits, but also means you can get in between the hard to reach bits. Have already recommended to family and friends, I am that impressed! Would 100% buy again if needed.
M**S
Waste of money
Waste of money, the nib is way too big for any of my grouting, floors or walls. Shook the pen as instructed and the nib flew off and splashed my floor, marking it. I ordered a different colour too but that's going straight back. Really disappointed.
M**N
Hmm
Great on not so bad grout! If it's bad grout not so good. At the top of my tiles the grout had went a kind of grey but not black mouldy, 3 goes and still not white! Maybe it didn't help the tip kept falling out. But hey ho! You live and learn. I wont buy another.
S**K
Draw your way too happy results!
I'm so happy with this product… Took me from frustration trying all different cleaning products to literally a swipe of a pen.
J**Z
Fügenstift
Sehr gut 👍
N**O
Caca de vaca
No me gusta. Mejor el blanco España de toda la vida. Si en la rachola del baño sale deseguida ni te cuento para la borada del suelo....
M**E
White marker
Work well as described.
L**C
Grout Looks So Much Better!
Pen works well. Make sure the tile and grout are as clean as you can get them before applying.
Trustpilot
1 month ago
1 month ago