Support answer · Alkalinity
How do I add alkalinity increaser, how much should I use, and how long should I wait to swim?
Short answer: Add alkalinity increaser as directed, run the pump for at least 4 hours, and wait until the product has fully circulated before swimming.
Based on Maytronics support, updated 2026-08-11, rewritten by Poolbots' pool experts.
The answer
What to know.
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Step 1: Check your pool water Test the water to find your current alkalinity level before adding the product.
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Step 2: Use the dose on the label Follow the product manufacturer's dosing directions. As a general guide, 1.5 lbs per 10,000 gallons increases alkalinity by approximately 10 ppm. Always follow your product's instructions.
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Step 3: Distribute the increaser evenly Spread it evenly over the pool's deepest area.
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Step 4: Keep the pump running Let the pump circulate the water for at least 4 hours.
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Step 5: Check the water again Retest before making any further adjustments.
When you can swim
Swimming is generally okay once the product has circulated completely, usually after about 4 hours with the pump running. Follow the product manufacturer's instructions.
Source: Maytronics support. Same steps and facts, rewritten for clarity; the videos and illustrations are Maytronics' own.
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