Changing the chlorine level in your pool typically involves adding chlorine, not entirely "changing" it out like water. Here's how you adjust the chlorine level, depending on your chlorination method:
1. Using Chlorine Tablets (Trichlor)
If you're using chlorine tablets in a feeder (chlorinator) or skimmer, here's how to adjust the chlorine level:
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If using a Feeder/Chlorinator:
- Turn off the pool pump. This is a safety precaution.
- Open the feeder (usually by unscrewing the top or side).
- Add chlorine tablets as needed. Note: Never mix different types of chlorine tablets. Use only the type specified for your feeder.
- Adjust the feeder setting. A higher setting releases more chlorine. For example, to lower the chlorine level, turn the feeder setting down (if it's too high). To increase the chlorine level, turn the feeder setting up.
- Close the feeder securely.
- Restart the pool pump.
- Test your pool water after several hours (or the next day) to see if you achieved the desired chlorine level.
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If using a Skimmer:
- Adding tablets directly to the skimmer basket is acceptable, but not recommended as the primary means of chlorination. It can cause concentrated chlorine levels near your equipment and potentially damage it.
- Use with caution and always ensure the pump is running to properly circulate the water. Monitor chlorine levels carefully.
2. Using Liquid Chlorine (Sodium Hypochlorite)
- Turn off the pump for a short period (15-30 minutes is usually sufficient) to allow the liquid chlorine to disperse more evenly before re-engaging the system.
- Calculate the amount of liquid chlorine needed based on your pool volume and desired chlorine increase. Online pool calculators are helpful for this.
- Pour the liquid chlorine slowly around the perimeter of the pool, avoiding splashing.
- Turn the pump back on to circulate the water.
- Test your pool water after several hours to check the chlorine level.
3. Using a Salt Water Chlorine Generator (SWG)
- Increase the output percentage of the SWG to raise the chlorine level. Conversely, lower the output percentage to decrease chlorine production.
- "Super Chlorinate" or "Boost" modes: Some SWGs have a temporary super-chlorination feature to rapidly increase chlorine levels. Use with caution and according to manufacturer's instructions.
- Allow time for adjustment: SWGs take time to adjust chlorine levels, usually 24-48 hours. Don't make drastic changes all at once.
- Test and adjust: Test your pool water regularly and adjust the SWG output as needed.
Important Considerations:
- Water Testing: Regularly test your pool water using a reliable test kit or strips to maintain proper chlorine levels (typically 1-3 ppm).
- Cyanuric Acid (Stabilizer): Ensure you have the correct level of cyanuric acid (CYA) in your pool water. CYA protects chlorine from sunlight. Without enough CYA, chlorine will dissipate rapidly.
- Shocking the Pool: Periodically "shocking" the pool (adding a large dose of chlorine) is necessary to eliminate combined chlorine and algae. Follow the instructions on your chosen shock product.
- Safety: Always handle chlorine products with care. Wear gloves and eye protection. Never mix different types of chlorine products together.
