The Best Climbing Chalk

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Chalk is the cheapest performance gear in climbing, and the differences between brands are real. All of it is magnesium carbonate at heart, but texture ranges from silky fine powder to chunky blends you crush yourself, purity varies, and some formulas add drying agents for hands that sweat through everything. The right chalk keeps friction consistent through long sessions; the wrong one cakes, glazes holds, or vanishes after two moves. We weighed drying power, how long a single chalking lasts on the wall, texture preference across fine and chunky styles, dust levels, and price per hundred grams, since consumption adds up for frequent climbers. Sweaty-handed climbers should look at the blends with added drying agents, climbers with dry or splitting skin should avoid them, and anyone chalking through a bag a month should consider blocks or bulk options where the value picks genuinely shine.