Chalk Etiquette: Tick Marks, Over-Chalking and Not Being That Person

Short answer: Brush your tick marks off before you leave. Use less chalk than feels natural. Don't clap clouds of it into the air indoors. Keep your bag off other people's gear. None of this is precious — chalk build-up genuinely makes holds worse, and visible chalk at outdoor crags has become a real access issue.

Tick marks: use them, then remove them

Tick marks are legitimate. Marking a hidden foothold on a hard project is normal practice and nobody serious objects.

What people object to is leaving them. A boulder covered in someone else's arrows spoils the problem for the next person, who now has your beta whether they wanted it or not — and from a distance it looks like graffiti. Brush them off before you walk away. Every time, including the ones you added on your warm-up. A boar's hair brush clipped to your bag makes this a ten-second job.

Over-chalking helps nobody, including you

Caking your hands doesn't improve grip — a thin, even layer on dry skin outperforms a thick one, and excess powder ends up on the holds where it actively reduces friction. The climber who dunks both hands to the wrist every thirty seconds is making the problem greasier for everyone behind them.

Indoors: keep the dust down

• Don't clap your hands out. That cloud is what gets loose chalk banned.
• Rub excess in rather than shaking it off.
• Respect the gym's format rules — most that restrict loose chalk still allow liquid and chalk balls. Why the rules exist.
• Brush the holds you use, especially on a busy circuit.
• Don't leave your chalk bag in the fall zone. Basic, but it happens constantly.

Outdoors: this one is about access

Visible white streaks on rock are one of the most common complaints from land managers, other user groups, and residents near popular crags — and chalk has been part of the argument in real access restrictions. Climbers who leave a boulder looking spray-painted are borrowing against everyone's future access.

• Brush the problem down when you're done, not just your tick marks. How to brush properly.
• Use soft bristles only. Wire brushes permanently damage rock.
• Go easy on fragile stone, especially sandstone, and never climb it wet.
• Consider your volume of chalk at heavily photographed or sensitive areas. A compact 70g pouch is often all a crag day needs.
• Pack out what you bring — including the wrapper from your chalk bag.

The shared-project rules

If several people are working the same boulder, brushing between burns is a group courtesy. Ask before removing someone else's tick marks while they're still trying — those might be load-bearing for their sequence. Once they've moved on, clean it up.

None of this is gatekeeping

The point isn't to make anyone feel judged for how they chalk up. It's that chalk is the one thing climbers leave behind, and the difference between a crag that stays open and one that doesn't is often just whether people brushed. Two minutes with a brush is a low price.

If that's your kind of climbing, join the Chalk Crew — our community of climbers who leave it better than they found it.

Frequently asked questions

Should you remove tick marks?

Yes. Using them is fine; leaving them isn't. Brush them off before you leave so the next climber gets the problem unspoiled.

Is chalk bad for the rock?

Chalk itself doesn't structurally damage most rock, but build-up reduces friction and visible white marks are a genuine access concern at many crags. Aggressive wire-brushing does cause permanent damage.

How much chalk is too much?

If you're leaving handprints on holds or shedding a visible cloud, it's too much. A thin even layer grips better anyway.

Don't fear the fall — fear slipping off. Climb clean: shop Grippa.