white pouch with blue and red label showing pool water illustration with swimmer and pool toys and product information text
white pouch with detailed blue and red text instructions and warnings on back side of granular chlorine product
Large bag of GLB Granular Stabilized Chlorinating Concentrate with blue and white packaging and text detailing its chlorine content and usage

GLB Di-Chlor Granular Chlorine, 1 lb Pouch | 71001A

Regular price$13.99
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SKU:
71001A
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About This Item

Size: 1 lb

GLB® Granular dichlor dissolves quickly and completely for easy pool sanitization and daily chlorination.

Features and Benefits:

  • Contains 56% available chlorine
  • Add directly to pool water as needed to maintain 1-4 ppm free-chlorine level
  • May be used to shock treat pool water

Instructions for Use:

1. Adjust the pool water's pH value to between 7.2 and 7.8, and the total alkalinity to between 80 and 150 ppm determined by a suitable test kit.
2. Stabilize the pool water with the 30 ppm of GLB Stabilizer as directed on the container label.  Regular use of this product will provide and needed makeup conditioner.
3. Shock treat the pool water by using 1 bag (16 oz) of this product per 10,000 gallons of water.  Before using the pool, be certain the chlorine level returns to 1.0 and 1.5 ppm by using beforementioned test kit.
4. Shock treat your pool at least twice monthly (more often in warmer climates) according to Step 3 above.  During hot weather and peak bather loads, shock treat your pool weekly to prevent water cloudiness and algae growth.

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More about Chlorine Products for Pool Water Care

Complete Your Pool Care Routine

Essential Pairing
Pool Water Balancers for Proper Chemical Balance

Chlorine is significantly less effective if pH is above 7.6. You must balance the water first.

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Highly Recommended
Pool Water Testing Supplies

You cannot manage what you do not measure. Weekly testing ensures your Free Chlorine is adequate.

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Pro Tip: Don't Forget
Pool Shock Treatments for Water Clarity

Shocking is required to oxidize waste and "recharge" your daily chlorine to keep it working efficiently.

Shop Pool Shock Treatments for Water Clarity

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