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Whether you manage a commercial facility or maintain your backyard pool, shocking is one of the most essential parts of keeping water clean, clear, and safe. But there are tons of myths out there: "Only shock at night," "You only need to shock once a season," "More chlorine is always better." So what's fact and what's fiction? In this guide, we break down the most common pool shock myths and reveal the real science and best practices behind effective pool shocking. If you want to protect swimmers, preserve equipment, and avoid cloudy water or algae blooms, this post is for you.

As the weather warms and pool season approaches, one of the most important steps in preparing your pool for swimmers is shocking the water. Whether your pool sat untouched over the winter or was minimally maintained, contaminants, algae, and built-up chloramines need to be eliminated to restore water clarity and sanitation. Shocking isn’t just about throwing in chemicals — it’s about knowing when, what, and how to do it effectively and safely.