Rainbow Chalk Markers Limited Grout Pen Dark Grey Tile Grout Paint Marker - 2 Pack w/Extra Tips (7mL) | Water-Based, Anti-Bacterial

• LOOK BRAND NEW: 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
• ADVANCED FORMULA: Non-toxic, water-based colorant that covers grubby grout stains making it look brand new again
• CAP COLOR: Use the color chart (see images) for most accurate color depiction. Pen cap represents each pen's color but is not expected to be the exact shade, do a small test area first
• USE ON UNSEALED GROUT ONLY: GROUT PEN may not bond to sealed grout. Test grout with a few drops of water. If the grout does not absorb the water within a minute this means the grout is likely sealed.
• TIP MAY WEAR DOWN: Tip is made of cotton, pressing too hard will damage tip. Contact seller for replacement tips if needed
• SHAKE ONLY WITH CAP ON: Tip is removable and may fall out if shaken hard, only shake pen with cap on (note - Pen does not need to be shaken at all, instead gently pump tip to activate)
• DRY TIP: Pen needs to be primed before use, all new GROUT PENs come with a dry white tip. To activate rapidly pump the tip (30+ times) until fully saturated

• Prime the Pen — Pump the dry tip 30+ times with cap on until fully saturated before first use.
• Test on Small Area — Apply a small amount on unsealed grout to check color match and adhesion. Wait 1 minute to confirm bond.
• Apply to Grout — Gently press the tip on unsealed grout, moving steadily along grout lines. Re-prime if ink runs out.
• Allow to Dry — Let the ink dry for 1-2 hours. Clean tips after use. Reapply as needed for full coverage.

Typical situations where Rainbow Chalk Markers Limited Grout Pen Dark Grey Tile Grout Paint Marker - 2 Pack w/Extra Tips (7mL) | Water-Based helps — illustrative scenarios, not customer reviews.