• Clorox Pool&Spa XtraBlue Algaecide 40 oz

    Clorox pool amp, spa algaecide xtrablue is the strong, multifunctional algaecide that kills all types of algae in 24 hours. Kills or prevents green, mustard & black pool algae.

    • ASIN: B00PZZFL9K
    • UPC: 810821028820
    • ASIN: B00PZZFL9K
    • Brand: CLOROX Pool&Spa
    • Size: 40-Ounce
    • Manufacturer: Chem Lab Products, Inc.

  • Pool Mate 1-2190 Black Algaecide for Swimming Pools, 1-Quart

    Pool Mate Black Algaecide is a 60% poly algaecide perfect for preventing algae growth and killing existing black, green and yellow/mustard algae. Pool Mate Black Algaecide also helps clear up cloudy water. It does not affect pH, won’t stain surfaces or leave residue. This product is non-foaming and non-metallic. Use weekly to prevent algae growth. This product kills algae and clears the water in your swimming pool without requiring pool closing and without foaming. Directions for use when you have visible algae growth: 16 oz. of this product per 10,000 gallons of pool water. Initial treatmen... [Read More]

    • ASIN: B00BGNLPCW
    • UPC: 676215211472
    • ASIN: B00BGNLPCW
    • Brand: Pool Mate
    • Size: 1-Pack
    • Manufacturer: Robelle Industries

  • Applied Biochemist 406303A Black Algaetrine Algaecide, 32-Ounce

    This algaecide formulation was specially designed to fight tough black algae. Contains copper and exclusive penetrating agents to kill and prevent the growth of even the most deeply-rooted algae cells. It allows for swimming without waiting, is safe for all pool types and will not discolor the water when used as directed. Attacks deeply rooted black algae. Safe for vinyl, plaster, colored and fiberglass pools. Combination of algaecides specially formulated for black algae. Contains 3.07-percent active copper. Algaecides are most effective when applied in the morning on warm, sunny days. Black ... [Read More]

    • ASIN: B00C7UCTBO
    • UPC: 788271257537
    • ASIN: B00C7UCTBO
    • Brand: Applied Biochemist
    • Size: 32-Ounce
    • Manufacturer: SCP Distributors LLC (Pool Corp)

  • In The Swim Black Pool Algaecide 1 qt.

    Black algaecide is specially formulated to overcome black algae's resistance to other chemicals to help kill the algae and prevent future growth. Non-clouding and non-foaming. Active ingredient: copper. Initial Dosage: 12 oz. per 10,000 gallons at the onset of black spots. Weekly Maintenance: 6 oz. per 10,000 gallons. Particularly stubborn algae blooms may require multiple treatments.

    • ASIN: B002WKKCQ8
    • ASIN: B002WKKCQ8
    • Brand: In The Swim
    • Manufacturer: In The Swim

  • PoolRx Pool Unit #101066 6 Month Algaecide Treats 20k-30k gallons, Black

    The Pool RX Black pool unit is a 6 month swimming pool algaecide that supports 20K - 30K gallon swimming pools. Pool RX reduces chemical demand, improves water quality, simplifying pool care forup to 6 months. The poole RX pool unit is effective in rejuvenating pool RX minerals forup to 1 year in the water. Start with a new pool RX unit at the beginning of each swim season. For year round pool use, Add a pool RX booster #102001 after 6 months. Pool RX has been simplifying pool & spa care since 1994 & can support any size body of water & any type of pool. Pool RX is also ideal for salt pools us... [Read More]

    • ASIN: B003UMOWWW
    • UPC: 700553237037
    • ASIN: B003UMOWWW
    • Brand: Pool RX
    • Manufacturer: PoolRx

  • hth Pool Algaecide Super Algae Guard 60 (67064)

    4-in-1 formula kills and controls green, black, and yellow algae growth, is non-foaming, and 60% strength. Swim immediately. Active ingredients: Alkyl dimethyl benzyl ammonium chlorides 30%, alkyl dimethyl ethylbenzyl ammonium chlorides 30%, other ingredi.

    • ASIN: B01K6MR4KA
    • UPC: 073187670649
    • ASIN: B01K6MR4KA
    • Brand: HTH
    • Size: -
    • Manufacturer: LONZA

  • Applied Biochemists Silvertrine (1 qt) (2 Pack)

    Eliminates tough black and mustard algae. Odorless and non-foaming formula

    • ASIN: B079K5QVC9
    • UPC: 785336133041
    • ASIN: B079K5QVC9
    • Brand: Applied Biochemists
    • Manufacturer: Lonza

  • SeaKlear 90-Day Algae Prevention & Remover, 1 Qt

    SeaKlear 90-Day Algae Prevention & Remover, 1 Gallon Bottle. kills & prevents blue-green, green, yellow & black algae.

    • ASIN: B0049VQ89S
    • UPC: 662817904119
    • ASIN: B0049VQ89S
    • Brand: SeaKlear
    • Size: 1 Quart
    • Manufacturer: SeaKlear

  • Pool Mate 1-2150-02 Algaecide 50 Swimming Pool Algaecide, 1-Quart, 2-Pack

    Pool Mate Algaecide 50 is an excellent all-around algaecide treatment. Keeps pool water free and sparkling, clear of visible green and blue green algae, slime and green brown colors. A 50% quaternary algaecide, this product prevents algae formation, destroys all types of algae, will not cause staining and controls algae slime in swimming pools. This product's concentrated formula is non-staining and leaves absolutely no residue. Whether you want to kill existing algae blooms or simply prevent future algae growth, Pool Mate Algaecide 50 is an excellent value. Swim right after treatment. For use... [Read More]

    • ASIN: B00JCAPH8Y
    • UPC: 034261110772
    • ASIN: B00JCAPH8Y
    • Brand: Pool Mate
    • Size: 2-Pack
    • Manufacturer: Pool Mate

  • hth Pool Algaecide Ultimate Algae Guard (67066)

    HTH Pool Algaecide Ultimate Algae Guard (67066)

    • ASIN: B01JLY4NQM
    • UPC: 073187670663
    • ASIN: B01JLY4NQM
    • Brand: HTH
    • Size: 1 quart
    • Manufacturer: HTH

  • PoolRx Pool Unit #101001 6 Month Algaecide Treats 7.5k-20k gallons, Single, Blue

    The PoolRx Blue pool unit is a 6 month swimming pool algaecide that supports 7 5K - 20K gallon swimming pools. PoolRx reduces chemical demand, improves water quality, simplifying pool care forup to 6 months. The PoolRx pool unit is effective in rejuvenating PoolRx minerals forup to 1 year in the water. Start with a new PoolRx unit at the beginning of each swim season. For year round pool use, Add a PoolRx Booster #102001 after 6 months. PoolRx has been simplifying pool & spa care since 1994 & can support any size body of water & any type of pool. PoolRx is also ideal for salt pools use.

    • ASIN: B003TXBE4Q
    • UPC: 700553237013
    • ASIN: B003TXBE4Q
    • Brand: Pool RX
    • Size: Single Unit
    • Manufacturer: PoolRx

  • Robelle 2190 Black Algaecide for Swimming Pools, 1 Quart

    Robelle Black Algaecide is a 60% poly algaecide perfect for preventing algae growth and killing existing black, green and yellow/mustard algae. Robelle Black Algaecide also helps clear up cloudy water. It does not affect pH, won’t stain surfaces or leave residue. This product is non-foaming and non-metallic. Use weekly to prevent algae growth. This product kills algae and clears the water in your swimming pool without requiring pool closing and without foaming. Directions for use when you have visible algae growth: 16 oz. of this product per 10,000 gallons of pool water. Initial treatment if... [Read More]

    • ASIN: B00IRJRDPQ
    • UPC: 034261219000
    • ASIN: B00IRJRDPQ
    • Brand: Robelle
    • Size: 1-Pack
    • Manufacturer: Robelle

  • In The Swim Super Pool Algaecide - 2 Quantity 1/2 Gallons

    High-quality, non-foaming copper algaecide eliminates most types of algae in a matter of hours. Super Algaecide is not only effective, it's safe - you can swim immediately after treatment! Due to its high concentration Super Algaecide is used in smaller, easy to measure doses but works much faster than the competition. Contains 23.5% Copper Triethanolamine Complex (7.1% Metallic copper equivalent) as the active ingredient. Not recommended for use with well water. Maintenance Dosage: 2 ounces per 10,000 gallons. Spring Start-Up dosage: 4 ounces per 10,000 gallons. NOTE: This item cannot be ship... [Read More]

    • ASIN: B002WKOCDM
    • ASIN: B002WKOCDM
    • Brand: In The Swim
    • Manufacturer: In The Swim

  • Halosource SeaKlear SKA-B-Q 90-Day Algae Prevention and Remover for Swimming Pools

    SeaKlear Algae Preventer and Remover controls all types of algae in pools for up to 90 days. Each treatment will last three months and the non-foaming, non-staining formula is effective against green, black and mustard algae. Use 16 ounces per 10,000 gallons every three months and for severe algae treatment use 32 ounces per 10,000 gallons of pool water.

    • ASIN: B008B9JM6U
    • UPC: 852673897582
    • ASIN: B008B9JM6U
    • Brand: Halosource
    • Manufacturer: Halo Source

  • In The Swim Super Pool Algaecide - 1 Quart

    High-quality, non-foaming copper algaecide eliminates most types of algae in a matter of hours. Super Algaecide is not only effective, it's safe - you can swim immediately after treatment! Due to its high concentration Super Algaecide is used in smaller, easy to measure doses but works much faster than the competition. Contains 23.5% Copper Triethanolamine Complex (7.1% Metallic copper equivalent) as the active ingredient. Not recommended for use with well water. Maintenance Dosage: 2 ounces per 10,000 gallons. Spring Start-Up dosage: 4 ounces per 10,000 gallons. NOTE: This item cannot be ship... [Read More]

    • ASIN: B002WKKC9K
    • ASIN: B002WKKC9K
    • Brand: In The Swim
    • Manufacturer: In The Swim

  • Clorox Pool&Spa Green Algae Eliminator 2 Pool Algaecide, 32 oz

    Clorox Pool&Spa Green Algae Eliminator2, when used as directed, is a highly effective, patented, non-staining pool algaecide that kills and controls algae in swimming pools. Green Algae Eliminator2 is especially formulated to kill and control

    • UPC: 623312447
    • Model: 42232CLX
    • Rating: 4.895

  • McGrayel Algatec 10064 Super Algaecide for Green Yellow and Black Algae 64 Ounce

    McGrayel Algatec 10064 Super Algaecide for Green Yellow and Black Algae 64 OunceAlgatec is a strong, highly effective algaecide that provides superior cleanup action with all types of chlorine and non-chlorine based sanitizers. Algatec is

    • UPC: 22128799
    • Model: 10064
    • Color: YellowGreen
    • Rating: 5.0

  • Pool Mate Algaecide 50 for Swimming Pools, 1-Quart 1-Pack

    Pool Mate Algaecide 50 is an excellent all-around algaecide treatment. Keeps pool water free and sparkling, clear of visible green and blue green algae, slime and green brown colors. A 50% quaternary algaecide, this product

    • UPC: 36832943
    • Model: 1-2150
    • Color: White
    • Size: 1 qt. Bottle
    • Rating: 3.75

  • HTH Super Algae Guard Algaecide for Swimming Pools

    Fight green, black, and yellow algae with the HTH Super Algae Guard Algaecide for Swimming Pools. This non-foaming algaecide is safe enough that you can swim immediately after using it. Use it every three to

    • UPC: 760308802
    • Model: 61117-04
    • Color: White
    • Size: 4-Pack

  • In The Swim Black Pool Algaecide - 1 Quart

    By killing black algae and preventing its growth, this potent and effective Black Algaecide formula helps to clear cloudy water for a cleaner, healthier swimming environment. At the same time, swimming pool Black Algaecide also

    • UPC: 44697612
    • Model: Y1400
    • Color: @generatedBlack

  • Pool Mate Black Algaecide for Swimming Pools, Quart

    Pool Mate Black Algaecide is a 60% poly algaecide perfect for preventing algae growth and killing existing black, green and yellow/mustard algae. Pool Mate Black Algaecide also helps clear up cloudy water. It does not

    • UPC: 55049346
    • Model: 1-2190-DJ

  • poolife Algaecide 90 (1 qt)

    Poolife Algaecide 90 is a powerful algaecide that lasts up to 3 months in your pool. Prevent green, black, and mustard algae in one easy step. Swim in just 15 minutes after

    • UPC: 550711632
    • Model: 62088

  • Robelle Black Algaecide for Swimming Pools, Quart

    Robelle Black Algaecide is a 60% poly algaecide perfect for preventing algae growth and killing existing black, green and yellow/mustard algae. Robelle Black Algaecide also helps clear up cloudy water. It does not affect pH,

    • UPC: 47676354
    • Model: 2190
    • Color: SilverMetallic
    • Size: 4 oz
    • Rating: 2.0

  • Pool Mate Black Algaecide for Swimming Pools, 1-Quart

    Pool Mate Black Algaecide is a 60% poly algaecide perfect for preventing algae growth and killing existing black, green and yellow/mustard algae. Pool Mate Black Algaecide also helps clear up cloudy water. It does not

    • UPC: 36787543
    • Model: 105923
    • Color: White
    • Size: 1 qt. Bottle

  • Pool Mate Algaecide 50 for Swimming Pools, 1-Quart

    Pool Mate Algaecide 50 is an excellent all-around algaecide treatment. Keeps pool water free and sparkling, clear of visible green and blue green algae, slime and green brown colors. A 50% quaternary algaecide, this product

    • UPC: 56274572
    • Model: 1-2150-DJ

  • Leslie's Black Algae Killer Review-Mommy thoughts

    Black Algae Treatment, Get Rid of Black Algae in Your Pool

    How to Get Rid of Black Algae in a Swimming Pool 👾