10,000 Gallon Pool Shock Calculator
Accurate Cal-Hypo, Liquid Chlorine, and Dichlor Dosing for 10,000 Gallon Pools
For a standard 10,000-gallon pool, routine weekly shocking requires exactly 1 lb (one bag) of 68–73% Calcium Hypochlorite or 0.8 gallons of 12.5% liquid chlorine to achieve a 10 PPM Free Chlorine boost. For green algae blooms, triple this dose to 3 lbs.
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Adjust pool volume or shock severity to re-calculate instantly.
Granular shock. Fast-dissolving, adds zero CYA stabilizer.
Leaves zero residue, zero calcium, and zero CYA. 100% dissolved instantly.
Includes UV stabilizer. Ideal if your pool has low CYA (<30 ppm).
Avoid cheap big-box shock with low available chlorine (40–50%). Use 68–73% commercial Calcium Hypochlorite or 12.5% Sodium Hypochlorite for maximum algae kill rate.
10,000 Gallon Dosage Breakdown by Severity
• Routine Weekly Shock (10 ppm): 1.0 lb Cal-Hypo OR 0.8 gal Liquid Chlorine (12.5%).
• Cloudy Water Shock (15 ppm): 1.5 lbs Cal-Hypo OR 1.2 gal Liquid Chlorine.
• Green Algae Shock (30 ppm): 3.0 lbs Cal-Hypo OR 2.4 gal Liquid Chlorine.
Best Application Method for 10k Pools
Always pre-dissolve granular shock in a clean 5-gallon bucket of pool water before pouring into vinyl pools to prevent bleaching. Broadcast liquid chlorine gently across the deep end returns after sunset.