Best Algaecide For Black Algae

HTH 42052W Swimming Pool Care 3" Chlorine Tabs Advanced, Individually Wrapped Tablets, 5lb

  • BENEFIT: Sanitizer, clarifier, and algaecide to protect your swimming pool and swimmers with one easy, convenient, and individually wrapped 3-inch tablet.
  • CLEAR BLUE WATER: This advanced formula sanitizes, clarifies, and kills algae for beautiful, clean, and clear water all season.
  • SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH 3” Individually Wrapped Chlorine Tabs Advanced dissolve slowly and last up to one week.
  • COMPATIBLE WITH ALL POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.
  • Use in floater, feeder, or skimmer basket.
  • YOU’RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm.
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HTH 42053W Swimming Pool Care 3" Chlorine Tabs Advanced, Individually Wrapped Tablets, 8lb

  • BENEFIT: Sanitizer, clarifier, and algaecide to protect your swimming pool and swimmers with one easy, convenient, and individually wrapped 3-inch tablet.
  • CLEAR BLUE WATER: This advanced formula sanitizes, clarifies, and kills algae for beautiful, clean, and clear water all season.
  • SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH 3” Individually Wrapped Chlorine Tabs Advanced dissolve slowly and last up to one week.
  • COMPATIBLE WITH ALL POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.
  • Use in floater, feeder, or skimmer basket.
  • YOU’RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm.
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HTH Pool Care 3' Chlorine Tabs Advanced, Swimming Pool Chlorinating Sanitizer & Algaecide, Kills Algae and Bacteria, 5 lbs

  • BENEFIT: Sanitizer, clarifier, and algaecide to protect your swimming pool and swimmers with one easy and convenient tab.
  • CLEAR BLUE WATER: This advanced formula sanitizes, clarifies, and kills algae for beautiful, clean, and clear water all season.
  • SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH 3” Chlorine Tabs Advanced dissolve slowly and last up to one week.
  • COMPATIBLE WITH ALL POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.
  • Use in floater, feeder, or skimmer basket.
  • YOU’RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm.
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HTH Pool Care 3 Chlorine Tabs Advanced Swimming Pool Chlorinating Sanitizer & Algaecide Kills Algae and Bacteria 25 lbs

  • BENEFIT: Sanitizer, clarifier, and algaecide to protect your swimming pool and swimmers with one easy and convenient tab.
  • CLEAR BLUE WATER: This advanced formula sanitizes, clarifies, and kills algae for beautiful, clean, and clear water all season.
  • SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH 3” Chlorine Tabs Advanced dissolve slowly and last up to one week.
  • COMPATIBLE WITH ALL POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems.
  • Use in floater, feeder, or skimmer basket.
  • YOU’RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm.
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In The Swim Pool Basic Opening Chemical Start Up Kit - Above Ground and In-Ground Swimming Pools - Up to 7,500

  • Save time and take the guesswork out of measuring chemicals when opening your pool with our pre-measured pool opening kits..
  • The chlorine pool shock contains 68% calcium hypochlorite, which will get your pool water clean, clear, and safe to swim in..
  • Our clarifier keeps your water crystal clear by coagulating dirt, a process that helps your filter be more efficient..
  • The algaecide works in conjunction with the pool shock to defend against multiple types of algae from invading your swimming pool..
  • The sun sorb oil and scum absorber will soak up suntan oils, body oils, grime, and scum, keeping your water clear..
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In The Swim Pool Super Opening Chemical Start Up Kit - Above Ground and In-Ground Swimming Pools - Up to 30,000 Gallons

  • Save time and take the guesswork out of measuring chemicals when opening your pool with our pre-measured pool opening kits..
  • The chlorine pool shock contains 68% calcium hypochlorite, which will get your pool water clean, clear, and safe to swim in..
  • Our clarifier keeps your water crystal clear by coagulating dirt, a process that helps your filter be more efficient..
  • The algaecide works in conjunction with the pool shock to defend against multiple types of algae from invading your swimming pool..
  • The sun sorb oil and scum absorber will soak up suntan oils, body oils, grime, and scum, keeping your water clear..
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Quart Black Algaecide Poly 60 for Swimming Pools Non-Metallic & Non-Foaming - 29,090 Gallons Per Bottle by Nu-Clo 2015

  • Quart black liquid algaecide poly 60 for swimming pools.
  • If pool is green use 11-17 oz per 10,000 gallons (29,090 - 18,823 gallons per bottle) & should be used with chlorine shock combined.
  • Maintenance 2-4 oz per 10,000 gallons (160,000 - 80,000 gallons per bottle) every 5-7 days.
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BioGuard Algicide 28-40 (1 qt) (1)

  • BioGuard Algicide 28-40 is an economical and effective algaecide designed for pools without an attached spa or water feature..
  • This algaecide can foam under turbulent conditions..
  • Works with either chlorinated or brominated systems.
  • Excellent mid-priced algaecide for commercial applications.
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Champion Pool Shock - Ready to Use Liquid Chlorine - Commercial Grade 12.5% Concentrated Strength - 8 Gallon

  • MULTI-PURPOSE - This swimming pool shock works as a strong sanitizer, clarifier, and algicide for clear blue water..
  • EXTRA POWER - Due to its high percentage of chlorine, Mega Shock is a very effective treatment for a quick chlorine boost. The Rx Clear Mega shock packets are chlorinating essentials..
  • MIX BEFORE YOU FIX - Add this granular powder to a bucket of water before you begin dissolving it in your pool. Add a 1 lb bag per 10,000 gallons of pool water for smart maintenance..
  • BEAT THE GREEN - Keep in your swimming pool algae free by adding 2 bags (2 lbs) of shock per 14,000 gallons of pool water. These granules work as an algaecide if your pool needs cleaning, or if you're opening for the season..
  • WORKS BEST AT NIGHT - Maximize performance by adding this shock to your pool at night. Wait to swim 8 to 10 hours after you start the application. Trust Rx Clear to supply reliable chemicals, supplies, and equipment for your above or in ground pool, spa or hot tub..
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Rx Clear Super Shock for Swimming Pools | Chlorinator and Algaecide | 68% Calcium Hypochlorite | Kill Pool Algae for a Crystal Clear Pool | One Pound Bags | 24 Pack

  • POOL SHOCK TREATMENT - Rx Clear’s Super Shock contains 68% calcium hypochlorite, yielding 65% available chlorine making this similar to Mega Shock,....
  • MIX BEFORE YOU FIX - It is best to dilute Super Shock in a bucket of water before dispensing it around the pool which can prevent liner staining and....
  • POOL SHOCK WITH ALGAECIDE - Kill the algae in your swimming pool by adding 3 bags of shock per 10,000 gallons of pool water. Rx Clear strives to....
  • WORKS BEST AT NIGHT - For the best results use Super Shock at night in order to prevent the sun from eating up the shock since it is not stabilized.
  • POOL CHLORINE SHOCK - Maintain your swimming pool or spa with reliable pool chemicals and treatment supplies that you can depend on from Rx Clear. The....
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