Skip to content
Free standard shipping over $50 · Welcome discount max. $50
Wholesale inquiriesContact
My Garden Pool
Account Cart
Pool
Shop all Pool → Pool SanitizersPool ShocksPool AlgaecidesPool Water BalancersPool ClarifiersPool Testing Kits & Tools
Spa
Shop all Spa → Spa SanitizersSpa ShocksSpa Water BalancersSpa Opening KitsSpa Accessories
Garden
Shop all Garden → Fertilizers & Soil AdditivesPlant-Specific Fertilizers
Winter & Auto Care
Brands
Pool & Spa
Alden Leeds AlgaeShield Applied Biochemists AquaPerl AquaPill CCH Coral Seas CuLator DryTec EZ Spa & E-Z Pool Gizzmo GLB Haviland Durachlor Jack's Magic LaMotte Leisure Time Natural Chemistry Omega Pentair Pool Breeze ProTeam Robelle SeaKlear Sirona SpaPure Splash Pool & Spa Antifreeze Superior Pump Taylor Zappit
Garden
BioAdvanced Black Gold Bond Bonide Coast of Maine Dr. Earth Epic Repellents Espoma Fafard Fertilome Hoffman Jonathan Green Natria Pro-Mix Royal Gold Sun Gro Sunshine Sustane
Winter & Auto Care
Prestone Rain-X Scotwood Splash RV & Windshield
All brands →
Deals
  • Home
  • Pool Algaecides

Collection: Pool Algaecides

Prevent and treat green, yellow and black algae with algaecides for every pool type. Shop preventive formulas and fast-acting treatments from GLB, Pool Breeze, Applied Biochemists, AlgaeShield, Natural Chemistry and Coral Seas.

Filter and Sort Filter

Filter and Sort

Filter

61 products

Remove all
Remove all

61 products

Sort By

Best selling
  • Sort By
Remove all
  • AlgaeShield Algaecide 32 FL OZ 12774 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    AlgaeShield Algaecide 32 FL OZ 12774 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    Sale

    AlgaeShield Algaecide 32 FL OZ 12774 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    Vendor:
    AlgaeShield
    Regular price $85.99
    Sale price $85.99 Regular price $91.35
    Unit price /  per 
    Sale
  • GLB PhosFIGHT Plus 32 fl oz – Removes Phosphates from Pools – Prevents Algae Blooms – Includes 2 Scum Socks and 7-in-1 Test

    GLB PhosFIGHT Plus 32 fl oz – Removes Phosphates from Pools – Prevents Algae Blooms – Includes 2 Scum Socks and 7-in-1 Test Strips

    Sale

    GLB PhosFIGHT Plus 32 fl oz – Removes Phosphates from Pools – Prevents Algae Blooms – Includes 2 Scum Socks and 7-in-1 Test Strips

    Vendor:
    GLB
    Regular price $37.99
    Sale price $37.99 Regular price $39.99
    Unit price /  per 
    Sale
  • GLB NIX 32 fl oz – Phosphate Remover for Pools – Prevents Algae Blooms – Includes 2 Scum Socks and 7-in-1 Test Strips

    GLB NIX 32 fl oz – Algaecide & Phosphate Remover for Pools – Prevents Algae Blooms – Includes 2 Scum Socks and 7-in-1 Test Strips

    Sale

    GLB NIX 32 fl oz – Algaecide & Phosphate Remover for Pools – Prevents Algae Blooms – Includes 2 Scum Socks and 7-in-1 Test Strips

    Vendor:
    GLB
    Regular price $39.99
    Sale price $39.99 Regular price $42.82
    Unit price /  per 
    Sale
  • GLB NIX Algaecide 32 FL OZ 71221 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    GLB NIX Algaecide & Phosphate Remover 32 FL OZ 71221 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    Sale

    GLB NIX Algaecide & Phosphate Remover 32 FL OZ 71221 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    Vendor:
    GLB
    Regular price $130.99
    Sale price $130.99 Regular price $138.46
    Unit price /  per 
    Sale
  • GLB NIX Algaecide 32 FL OZ 71221 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    GLB NIX Algaecide 32 FL OZ 71221 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    Sale

    GLB NIX Algaecide 32 FL OZ 71221 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    Vendor:
    GLB
    Regular price $381.99
    Sale price $381.99 Regular price $403.06
    Unit price /  per 
    Sale
  • GLB NIX Algaecide 32 FL OZ 71221 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    GLB NIX Algaecide 32 FL OZ 71221 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    Sale

    GLB NIX Algaecide 32 FL OZ 71221 with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    Vendor:
    GLB
    Regular price $70.99
    Sale price $70.99 Regular price $75.07
    Unit price /  per 
    Sale
  • GLB Algimycin 2000 Algaecide 32 FL OZ 71104A with My Garden Pool 7 in 1 Test Strips, Measuring Cup and POOL-IQ, 12 Pack

    GLB Algimycin 2000 Algaecide 32 FL OZ 71104A with My Garden Pool 7 in 1 Test Strips, Measuring Cup and POOL-IQ, 12 Pack

    Sale

    GLB Algimycin 2000 Algaecide 32 FL OZ 71104A with My Garden Pool 7 in 1 Test Strips, Measuring Cup and POOL-IQ, 12 Pack

    Vendor:
    GLB
    Regular price $290.99
    Sale price $290.99 Regular price $306.71
    Unit price /  per 
    Sale
  • GLB Algimycin 2000 Algaecide 32 FL OZ 71104A with My Garden Pool 7 in 1 Test Strips, Measuring Cup and POOL-IQ, 2 Pack

    GLB Algimycin 2000 Algaecide 32 FL OZ 71104A with My Garden Pool 7 in 1 Test Strips, Measuring Cup and POOL-IQ, 2 Pack

    Sale

    GLB Algimycin 2000 Algaecide 32 FL OZ 71104A with My Garden Pool 7 in 1 Test Strips, Measuring Cup and POOL-IQ, 2 Pack

    Vendor:
    GLB
    Regular price $58.99
    Sale price $58.99 Regular price $62.28
    Unit price /  per 
    Sale
  • GLB Algae-X Algaecide 32 FL OZ 71100A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack Pool-IQ, Smart Pool

    GLB Algae-X Algaecide 32 FL OZ 71100A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack Pool-IQ, Smart Pool AI Assistant!

    Sale

    GLB Algae-X Algaecide 32 FL OZ 71100A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack Pool-IQ, Smart Pool AI Assistant!

    Vendor:
    GLB
    Regular price $227.99
    Sale price $227.99 Regular price $240.33
    Unit price /  per 
    Sale
  • GLB Algae-X Algaecide 32 FL OZ 71100A with My Garden Pool 7 in 1 Test Strips, Measuring Cup and POOL-IQ AI Pool Assistant

    GLB Algae-X Algaecide 32 FL OZ 71100A with My Garden Pool 7 in 1 Test Strips, Measuring Cup and POOL-IQ AI Pool Assistant Access, 2 Pack

    Sale

    GLB Algae-X Algaecide 32 FL OZ 71100A with My Garden Pool 7 in 1 Test Strips, Measuring Cup and POOL-IQ AI Pool Assistant Access, 2 Pack

    Vendor:
    GLB
    Regular price $48.99
    Sale price $48.99 Regular price $51.67
    Unit price /  per 
    Sale
  • GLB Strike-Out Algaecide 32 FL OZ 71114A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    GLB Strike-Out Algaecide 32 FL OZ 71114A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    Sale

    GLB Strike-Out Algaecide 32 FL OZ 71114A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    Vendor:
    GLB
    Regular price $47.99
    Sale price $47.99 Regular price $51.01
    Unit price /  per 
    Sale
  • GLB Strike-Out Algaecide 32 FL OZ 71114A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    GLB Strike-Out Algaecide 32 FL OZ 71114A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    Sale

    GLB Strike-Out Algaecide 32 FL OZ 71114A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    Vendor:
    GLB
    Regular price $81.99
    Sale price $81.99 Regular price $87.33
    Unit price /  per 
    Sale
  • Pool Breeze Algicide 60 88421 – 1 Gal – Long Lasting Algae Control – with My Garden Pool 7 in 1 Test Strips & Scum Socks

    Pool Breeze Algicide 60 88421 – 1 Gal – Long Lasting Algae Control – with My Garden Pool 7 in 1 Test Strips & Scum Socks

    Sale

    Pool Breeze Algicide 60 88421 – 1 Gal – Long Lasting Algae Control – with My Garden Pool 7 in 1 Test Strips & Scum Socks

    Vendor:
    Pool Breeze
    Regular price $112.99
    Sale price $112.99 Regular price $119.00
    Unit price /  per 
    Sale
  • GLB Algimycin 600 Algaecide 32 FL OZ 71108A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    GLB Algimycin 600 Algaecide 32 FL OZ 71108A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    Sale

    GLB Algimycin 600 Algaecide 32 FL OZ 71108A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    Vendor:
    GLB
    Regular price $85.99
    Sale price $85.99 Regular price $90.86
    Unit price /  per 
    Sale
  • GLB Algimycin 600 Algaecide 32 FL OZ 71108A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    GLB Algimycin 600 Algaecide 32 FL OZ 71108A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    Sale

    GLB Algimycin 600 Algaecide 32 FL OZ 71108A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    Vendor:
    GLB
    Regular price $301.99
    Sale price $301.99 Regular price $318.63
    Unit price /  per 
    Sale
  • GLB Algimycin 3000 Algaecide 32 FL OZ 71105A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    GLB Algimycin 3000 Algaecide 32 FL OZ 71105A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    Sale

    GLB Algimycin 3000 Algaecide 32 FL OZ 71105A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    Vendor:
    GLB
    Regular price $60.99
    Sale price $60.99 Regular price $64.68
    Unit price /  per 
    Sale
  • GLB Algimycin 3000 Algaecide 32 FL OZ 71105A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    GLB Algimycin 3000 Algaecide 32 FL OZ 71105A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    Sale

    GLB Algimycin 3000 Algaecide 32 FL OZ 71105A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 4 Pack

    Vendor:
    GLB
    Regular price $108.99
    Sale price $108.99 Regular price $115.10
    Unit price /  per 
    Sale
  • GLB Algimycin 600 Algaecide 32 FL OZ 71108A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    GLB Algimycin 600 Algaecide 32 FL OZ 71108A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    Sale

    GLB Algimycin 600 Algaecide 32 FL OZ 71108A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 2 Pack

    Vendor:
    GLB
    Regular price $49.99
    Sale price $49.99 Regular price $52.91
    Unit price /  per 
    Sale
  • GLB PhosFIGHT Plus 32 FL OZ (71271) Phosphate Reduction Formula with My Garden Pool Measuring Cup & 7-in-1 Test Strips,

    GLB PhosFIGHT Plus 32 FL OZ (71271) Phosphate Reduction Formula with My Garden Pool Measuring Cup & 7-in-1 Test Strips, 4-Pack

    Sale

    GLB PhosFIGHT Plus 32 FL OZ (71271) Phosphate Reduction Formula with My Garden Pool Measuring Cup & 7-in-1 Test Strips, 4-Pack

    Vendor:
    GLB
    Regular price $122.99
    Sale price $122.99 Regular price $129.99
    Unit price /  per 
    Sale
  • GLB Strike-Out Algaecide 32 FL OZ 71114A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    GLB Strike-Out Algaecide 32 FL OZ 71114A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    Sale

    GLB Strike-Out Algaecide 32 FL OZ 71114A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    Vendor:
    GLB
    Regular price $220.99
    Sale price $220.99 Regular price $232.70
    Unit price /  per 
    Sale
  • GLB PhosFIGHT Plus 32 FL OZ (71271) Pool Maintenance Phosphate Control with My Garden Pool Measuring Cup & Test Strips,

    GLB PhosFIGHT Plus 32 FL OZ (71271) Pool Maintenance Phosphate Control with My Garden Pool Measuring Cup & Test Strips, 12-Pack

    Sale

    GLB PhosFIGHT Plus 32 FL OZ (71271) Pool Maintenance Phosphate Control with My Garden Pool Measuring Cup & Test Strips, 12-Pack

    Vendor:
    GLB
    Regular price $369.99
    Sale price $369.99 Regular price $389.99
    Unit price /  per 
    Sale
  • GLB Algimycin 3000 Algaecide 32 FL OZ 71105A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    GLB Algimycin 3000 Algaecide 32 FL OZ 71105A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    Sale

    GLB Algimycin 3000 Algaecide 32 FL OZ 71105A with My Garden Pool 7 in 1 Test Strips and Measuring Cup, 12 Pack

    Vendor:
    GLB
    Regular price $305.99
    Sale price $305.99 Regular price $322.60
    Unit price /  per 
    Sale
  • Pool Breeze Black AlgiKill 88552 – 25 lbs – Heavy Duty Black Algae Control – with My Garden Pool 7 in 1 Test Strips & Scum

    Pool Breeze Black AlgiKill 88552 – 25 lbs – Heavy Duty Black Algae Control – with My Garden Pool 7 in 1 Test Strips & Scum Socks

    Sale

    Pool Breeze Black AlgiKill 88552 – 25 lbs – Heavy Duty Black Algae Control – with My Garden Pool 7 in 1 Test Strips & Scum Socks

    Vendor:
    Pool Breeze
    Regular price $132.99
    Sale price $132.99 Regular price $139.99
    Unit price /  per 
    Sale
  • Pool Breeze Max AlgiKill Algicide 88587 – 32 oz – Extra Power Algae Control – with My Garden Pool 7 in 1 Test Strips & Scum

    Pool Breeze Max AlgiKill Algicide 88587 – 32 oz – Extra Power Algae Control – with My Garden Pool 7 in 1 Test Strips & Scum Socks

    Sale

    Pool Breeze Max AlgiKill Algicide 88587 – 32 oz – Extra Power Algae Control – with My Garden Pool 7 in 1 Test Strips & Scum Socks

    Vendor:
    Pool Breeze
    Regular price $38.99
    Sale price $38.99 Regular price $41.99
    Unit price /  per 
    Sale
  • Prev
  • 1
  • 2
  • 3
  • Next

A LITTLE WELCOME GIFT

Your first order. 10% off.

Join the My Garden Pool email list for seasonal care tips and a personal welcome code, delivered to your inbox.

New email subscribers only. One personal code per email, for one order. 10% off, maximum discount $50 per order. Valid for 30 days from issue. Cannot be combined with other discount codes. Free standard shipping on orders over $50.

My Garden Pool
Follow us
  • Facebook
  • Instagram
  • YouTube

Shop

  • Pool Care Essentials
  • Spa Care Essentials
  • Garden & Outdoor
  • RV Essentials

Customer Service

  • Contact Us
  • FAQ
  • Shipping Policy
  • Returns & Exchanges

About My Garden Pool

About us

Care guides

Contact our team

Wholesale inquiries

Legal

  • Privacy Policy
  • Terms of Service
Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
  • Privacy Policy
  • Refund Policy
  • Terms of Service
  • Contact Information
  • Shipping Policy
Powered by Shopify

Your cart is empty

Continue Shopping

Have an account?

Log in to check out faster.

Your Cart

Loading...

Total

$0.00 USD

Taxes included. Discounts and shipping calculated at checkout
Add order note
View Cart ()
  • Choosing a selection results in a full page refresh.
  • Opens in a new window.
Compare Products
Select 2 - 4 products to compare
Select product to compare
Select product to compare
Select product to compare
Select product to compare

Product Comparison