Eco Ball Chalk Alternative – Mountain High Outfitters
TIL climbing chalk absorbs water at the molecular level, going from magnesium carbonate MgCO₃ to what chemists call "hydrated", but still dry-to-the-touch, hydromagnesite Mg₅(CO₃)₄(OH)₂·4H₂O. : r/bouldering
Bouldering: an exciting alternative to exercise – Upstream News
Climbing Chalk Bag, goldhik Bouldering Chalk Bags with Quick-Clip Belt and 3 Pockets, Great Equipment for Rock Climbing, Gym Training, Gymnastics, Weightlifting
Amazon.com: Pure-Grip Liquid Chalk for Weight Lifting, Rock Climbing, Cross Training, & Powerlifting, Gym Approved Workout Chalk for Hands & Calluses (50ml) : Sports & Outdoors
The Nonobvious Ways Climbing Chalk Harms the Environment