Top 9 Algecide for Pools – Swimming Pool Algaecides

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1. Clorox Pool&Spa

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Clorox Pool&Spa 43128CLX 42128CLX Pool Algaecide

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Clorox Pool&Spa #ad - Packaging may vary*. Non-foaming formula. Suitable for all pool types. Prevents and treats pool algae. Built in clarifier.
BrandClorox Pool&Spa #ad
ManufacturerClorox Pool&Spa #ad
Height11.13 Inches
Length6.35 Inches
Weight8 Pounds
Width6.35 Inches
Part Number42128CLX
Model43128CLX

2. In The Swim

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In The Swim Super Pool Algaecide – Low Odor Non-Foaming Preventative Treatment for Yellow Algae in Above Ground or In-Ground Swimming Pools – 1 Quart

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In The Swim #ad - Non-foaming formula, with no odor. Safe enough to swim directly after use. We apologize for the inconvenience. Contains 7. 1% chelated Copper chelated to protect from staining. Provides superior algae-fighting power with long lasting effects. Note: we are currently unable to ship super algaecide to the state of california.
BrandIn The Swim #ad
ManufacturerIn The Swim Discount Pool Supplies #ad
Height3.1 Inches
Length9.8 Inches
Weight2.92 Pounds
Width3.2 Inches
Part NumberF055001012AE
ModelF055001012AE

3. HTH

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1 gal, HTH 67045 Algae Guard 10 for Swimming Pools

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HTH #ad - Includes: one 1-gal container of Algae Guard 10 for your swimming pool water. Benefits: kills green algae and prevents future algae blooms in your swimming pool so you can get back to enjoying your summertime fun. Compatibility: Great for vinyl-lined pools and saltwater systems. Use: apply add the product directly to the pool with the pump running; Use regularly for maximum effectiveness. Features: fast acting; Concentrated formula; Non-foaming; Prevents future growth.
BrandHTH #ad
ManufacturerHTH #ad
Height11.2 Inches
Length6 Inches
Weight8 Pounds
Width5.5 Inches
Part Number67045
Model67045
WarrantyWarranty

4. SeaKlear

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SeaKlear 90-Day Algae Prevention & Remover, 1 Qt

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SeaKlear #ad - Reliable & Effective. Effective against blue-green, black and mustard algae. 11. 8% copper sulfate Pentahydrate; 3% Copper as elemental.

Kills and prevents blue-green, green, yellow and black algae. Use 16 fluid ounce 10000-gallon of pool water to prevent algae growth in all pool types. Each treatment will last three months. 90-days no algae guarantee when used according to instructions in balanced pool water. Nonstaining formula. Non-foaming, non-staining when used according to instructions in balanced pool water. For severe algae treatment use 32 fluid ounce per 10000-gallon of pool water.
BrandSeaKlear #ad
ManufacturerSeaKlear #ad
Height9.5 Inches
Length6 Inches
Weight2.4 Pounds
Width6 Inches
Part NumberSKA-B-Q
ModelSKA-B-Q

5. In The Swim

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In The Swim Swimming Pool Algaecide, 1 Quart

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In The Swim #ad - Recommended for use in well water to prevent staining. Great for small above ground pools. Fast acting liquid algaecide prevents green and yellow mustard algae. Can be applied to inground or above ground pools/spas. Safe to swim immediately after application.
BrandIn The Swim #ad
ManufacturerALL CHEM INDUSTRIES #ad
Height3.1 Inches
Length9.9 Inches
Weight2.19 Pounds
Width3.1 Inches
Part NumberF041001012AE
ModelF041001012AE

6. Pool Mate

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2-Pack, Pool Mate 1-2150-02 50 Pool Algaecide

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Pool Mate #ad - Effective against all algae types Green, Yellow, Black, Mustard, Pink. Wait a minimum of 15 minutes after use. Prevents and Kills Algae. For all pool types vinyl, Fiberglass, Concrete, Gunite, etc. Weekly maintenance dose: 2 or 3 oz per 10, 000 gallons. Non-metallic Algaecide.
BrandPool Mate #ad
ManufacturerPool Mate #ad
Height10 Inches
Length6 Inches
Weight2.5 Pounds
Width3 Inches
Part Number1-2150--02
Model1-2150--02

7. Pool RX

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Pool RX 101001 6 Month Algaecide Blue Treats 7.5k-20k gallons, Unit, Single

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Pool RX #ad - Effective for up to 6 months. Simplifies pool Care. Eliminates all types of algae. Also ideal for Salt Pools. 6 month algaecide. Reduces chemical demand.
BrandPool RX #ad
ManufacturerPoolRx #ad
Height4.25 Inches
Length3.25 Inches
Weight0.82 Pounds
Width3.25 Inches
Part Number101001
Model101001

8. Clorox Pool&Spa

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Clorox Pool&Spa XtraBlue Algaecide 40 oz

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Clorox Pool&Spa #ad - Treats up to 25, 000 gallons. Quick and effectively kills Green, mustard and Black pool algae. Non-staining, non-foaming formula. All-in-one algae Killer.
BrandClorox Pool&Spa #ad
ManufacturerChem Lab Products, Inc. #ad
Height10.31 Inches
Length3.69 Inches
Weight2.5 Pounds
Width3.69 Inches
Part Number43040CLX
Model43340CLX

9. Pool RX

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Black, Pool RX 101066 6 Month Algaecide Treats 20k-30k gallons

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Pool RX #ad - Simplifies Pool and Spa Care. Reduces Chemicals. Effective for up to 6 months. Simply place in pump basket or skimmer basket. Eliminates all types of Algae.
BrandPool RX #ad
ManufacturerPoolRx #ad
Height4.25 Inches
Length3.25 Inches
Weight1 Pounds
Width3.25 Inches
Part Number101066
Model101066