Is this product waterproof or will it wash away if I apply it to the shower floor tiles? tia

Yes Grout Pen is waterproof. Grout Pen is specifically design for wet areas including showers, bathroom floors, around sinks, kitchen counter and backslash. LOOK BRAND NEW AGAIN: Skip scrubbing tiles and use Grout Pen to paint and recolor your grout for a bright clean appearance USE ANYWHERE: Ideal for the bathroom, kitchen, and any other room that has floor or ceiling tiles LONG LASTING INK: Tackle small or large DIY projects with a pen that covers up to 150 feet of thin 2mm grout RICH PIGMENTS: Grout paint markers available in 11 different colors with reversible 5mm Narrow or 15mm Wide nibs ADVANCED FORMULA: Non-toxic, water-based ink that covers grubby grout stains making it look brand new again

Can you put sealer over it?

Nope. It looked beautiful until I put a sealer over it. (I should have searched for "sealer" before I even bought it. :-( ) Don't waste your money.

Does it work on silicone caulk?

Silicone caulk is not paintable so this product would likely not work on it.

does it work on marble tiles grout?

Yes, it works on grout, but it does not last long. I would guess a white sharpie would work just as well.

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Grout Pen White Tile Grout Paint Marker Restorer - Wide 15mm Tip (20ml) | Waterproof Grout Line Refresher for Kitchen & Bathroom, Colorant and Sealer Pens for Cleaner Looking Grout Lines - White

Grout Pen White Tile Grout Paint Marker Restorer - Wide 15mm Tip (20ml) | Waterproof Grout Line Refresher for Kitchen & Bathroom, Colorant and Sealer Pens for Cleaner Looking Grout Lines - White

Product ID: 10800392

Details

Brand
Rainbow Chalk
Item Weight
79 Grams
Item dimensions L x W x H
1.25 x 1.25 x
Material
Grout Paint
Style
Modern

💧Waterproof, long-lasting ink

♻️Non-toxic, water-based formula

🖊️15mm wide tip for fast coverage

$27.10

Duties & taxes included

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

✨ Brighten your space, one grout line at a time! 🖊️

SAFE SUSTAINABLE - Non-toxic, water-based ink ensures a safe, eco-friendly upgrade for your home.
WATERPROOF DURABLE - Seals and protects grout lines against moisture for a lasting clean look.
PRECISION MEETS POWER - Wide 15mm tip covers up to 100 feet of grout lines for efficient DIY refreshes.
VERSATILE APPLICATION - Perfect for kitchens, bathrooms, floors, walls, and more—anywhere grout needs a glow-up.
REVIVE YOUR GROUT INSTANTLY - Skip the scrubbing—paint on a fresh, bright white finish that looks brand new.

The Grout Pen White Tile Grout Paint Marker features a wide 15mm tip and 20ml of waterproof, non-toxic, water-based ink designed to restore and recolor grout lines up to 100 feet. Ideal for unsealed grout in kitchens, bathrooms, and other tiled areas, it offers a quick, durable, and eco-friendly solution to refresh grout without scrubbing.

Specifications

ASIN	B006MDF3ZQ
Best Sellers Rank	#1,008 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Tile Grout #114 in Paint & Primer
Brand Name	Rainbow Chalk Markers Limited
Color	White
Compatible Material	Grout
Customer Reviews	4.1 4.1 out of 5 stars (8,123)
Global Trade Identification Number	05899406109500
Included Components	(1) GROUT PEN - White - Wide 15mm Tip (20mL)
Item Dimensions	1.25 x 1.25 x 6.25 inches
Item Form	GROUT PEN
Item Weight	79 Grams
Manufacturer	Rainbow Chalk Markers
Material Type	Grout Paint
Model	GP81208
Number of Items	1
Part Number	GP81208
Style Name	Modern
Supported Standards	ASTM-D4236
Surface Recommendation	Tile Grout , Floor, Tub, Shower, Countertop, Backsplash, Sink, Wall, Patio
UPC	722480212086
Unit Count	1 Count
Water Resistance Level	Waterproof

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$27.10

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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