hth® 3-in-1 chlorinating skimmer tablets, 4.3 lbs.

hth® 3-in-1 chlorinating skimmer tablets are a slow dissolving product that is easy and convenient to use. This product controls algae, kills bacteria and destroys organic contaminants. These tablets are designed to be used in the skimmer basket and dissolve slowly (up to 1 week), providing a steady source of available chlorine for complete swimming enjoyment in your pool.

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hth® 3-in-1 chlorinating skimmer tablets are a slow dissolving product that is easy and convenient to use. This product controls algae, kills bacteria and destroys organic contaminants. These tablets are designed to be used in the skimmer basket and dissolve slowly (up to 1 week), providing a steady source of available chlorine for complete swimming enjoyment in your pool.

  • Sanitizes for up to one week
  • Controls algae
  • Built-in water softener
  • Compatible with salt systems

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Sanitize Your Pool for Clean Water


ladies floating in the pool

Guard Against Bacteria

HTH Blue Sparkle Skimmer Tabs destroy bacteria and other contaminants to give you sparkling blue crystal-clear water.  

lady and little girl on edge of the pool

Acts Quickly

The sanitizing tabs provide slow dissolving, long-lasting—yet fast acting—chlorination.  

hand holding a blue sparkle skimmer tab

No Cyanuric Acid

Excessive cyanuric acid (CYA) levels in pool water can render the chlorine ineffective. Blue Sparkle Skimmer Tabs are non-stabilized (contains no CYA) and will not cause overstabilization. 


How to Use HTH Blue Sparkle Skimmer Tabs


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1. Test and Balance

Dip an HTH 6-Way Test Strip (sold separately) into the water to measure total alkalinity, pH, free available chlorine (FAC), calcium hardness, and stabilizer or cyanuric acid (CYA). Balance water and adjust alkalinity and pH levels, where necessary. 

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2. Place in Skimmer Basket

Make sure the skimmer basket is free of all other water treatment products. Add one tab per 10,000 gallons of pool water to the skimmer basket.   

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3. Wait and Test Chlorine Levels

Wait one day to allow the Blue Sparkle Skimmer Tab to work. Test the pool water. Once free available chlorine levels are between 1 and 4 parts per million, your pool is ready to use again. 


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