Algicide Spa(235)
Uses item details. Price when purchased online
Doheny’s 3-inch Stabilized Pool Chemical Chlorine Tablets 50 lb From $49.99

Sponsored
From$4999
Doheny’s 3-inch Stabilized Pool Chemical Chlorine Tablets 50 lb
4.6 out of 5 stars
Best seller, HTH Algae Guard Advanced — Liquid, 28 fl oz — Pool Algaecide Compatible with All Pool Types From $20.97
Best seller

Sponsored
From$2097
HTH Algae Guard Advanced — Liquid, 28 fl oz — Pool Algaecide Compatible with All Pool Types
4.5 out of 5 stars
Best seller, HTH Pool Care Shock Advanced — Granules, 12 Pack (1 lb each) — Pool Shock Treatment for Weekly Pool Sanitizing From $9.99
Best seller

Sponsored
From$999
HTH Pool Care Shock Advanced — Granules, 12 Pack (1 lb each) — Pool Shock Treatment for Weekly Pool Sanitizing
4.6 out of 5 stars
New Water 24-Hour Dry Algaecide Pool Pods for Algae Control, 2-Pack $29.97 $2.50/oz

Sponsored
$2997
current price $29.97$2.50/oz
New Water 24-Hour Dry Algaecide Pool Pods for Algae Control, 2-Pack
4.2 out of 5 stars
Best seller, Clorox Pool&Spa Algaecide + Clarifier for Swimming Pools, 1 Gallon From $14.71
Best seller

2 options
Available in additional 2 optionsFrom$1471
Clorox Pool&Spa Algaecide + Clarifier for Swimming Pools, 1 Gallon
4.5 out of 5 stars
Best seller, Clorox Pool&Spa Awesome Algaecide for Treating Algae Liquid Pool Algae Chemical Controllers, 32 oz From $17.00
Best seller

2 options
Available in additional 2 optionsFrom$1700
Clorox Pool&Spa Awesome Algaecide for Treating Algae Liquid Pool Algae Chemical Controllers, 32 oz
4.6 out of 5 stars
PoolRx+ Yellow/White 6-Month Swimming Pool & Spa Mineral Algaecide, 1 Tablet Treats 100-400 Gallons From $14.74

2 options
Available in additional 2 optionsFrom$1474
PoolRx+ Yellow/White 6-Month Swimming Pool & Spa Mineral Algaecide, 1 Tablet Treats 100-400 Gallons
4.3 out of 5 stars
Clorox Pool&Spa XtraBlue+ Algaecide Form Pool Algae Chemical Controllers for Treating Algae, 40 oz From $30.27

2 options
Available in additional 2 optionsFrom$3027
Clorox Pool&Spa XtraBlue+ Algaecide Form Pool Algae Chemical Controllers for Treating Algae, 40 oz
4.7 out of 5 stars
Bio Lab 17612COR 2 lbs Yellow Out Algea Remover Algaecide From $19.19

3 options
Available in additional 3 optionsFrom$1919
Bio Lab 17612COR 2 lbs Yellow Out Algea Remover Algaecide
4.4 out of 5 stars
HTH Spa Care Clear Chlorinating Sanitizer for Spa & Hot Tubs, Granules, Chlorine Pool Chemicals, 2.25 lbs

HTH Spa Care Clear Chlorinating Sanitizer for Spa & Hot Tubs, Granules, Chlorine Pool Chemicals, 2.25 lbs
4.6 out of 5 stars
Copper Pool Algaecide for Swimming Pools - 64 oz - 90 Day Algaecide for Inground & Above Ground Pools, Helps Prevent & Remove Green, Mustard, Blue, Black Algae - AquaDoc $55.99 Was $71.99

Sponsored
Now$5599
current price Now $55.99, Was $71.99$71.99
Copper Pool Algaecide for Swimming Pools - 64 oz - 90 Day Algaecide for Inground & Above Ground Pools, Helps Prevent & Remove Green, Mustard, Blue, Black Algae - AquaDoc
4.6 out of 5 stars
New Water 90-Day Algaecide Pool Pods, Dry Concentrated Algae Prevention, Pool Chemical Pods $27.97 $3.11/oz

Sponsored
$2797
current price $27.97$3.11/oz
New Water 90-Day Algaecide Pool Pods, Dry Concentrated Algae Prevention, Pool Chemical Pods
4.4 out of 5 stars
Ouster Hot Tub 3-in-1 Weekly Care Cleaner, Clarifier, Conditioner Liquid for Pool Maintenance, 8 oz $12.77 $1.60/fl oz

$1277
current price $12.77$1.60/fl oz
Ouster Hot Tub 3-in-1 Weekly Care Cleaner, Clarifier, Conditioner Liquid for Pool Maintenance, 8 oz
4.6 out of 5 stars
Clorox Spa All-in-One Sanitizer and Shock for Spas and Hot Tubs Pool Water Balancers, 32oz for Sanitizing From $26.98

2 options
Available in additional 2 optionsFrom$2698
Clorox Spa All-in-One Sanitizer and Shock for Spas and Hot Tubs Pool Water Balancers, 32oz for Sanitizing
4.7 out of 5 stars
Coral Seas YELLOWOUT Yellow Out Pool Algaecide 2 Lbs. From $20.29

4 options
Available in additional 4 optionsFrom$2029
Coral Seas YELLOWOUT Yellow Out Pool Algaecide 2 Lbs.
4.4 out of 5 stars
PoolRx+ Black/White 6-Month Swimming Pool Algaecide, 1 Tablet Treats 20k-30k Gallons Pool Algae Control $71.00 Was $82.99 $71.00/count

Now$7100
current price Now $71.00, Was $82.99$82.99
$71.00/count
PoolRx+ Black/White 6-Month Swimming Pool Algaecide, 1 Tablet Treats 20k-30k Gallons Pool Algae Control
4.5 out of 5 stars
PoolRx+ Blue/White 6-Month Swimming Pool Mineral Algaecide, 1 Tablet Treats 7.5k-20k Gallons $59.96

$5996
current price $59.96PoolRx+ Blue/White 6-Month Swimming Pool Mineral Algaecide, 1 Tablet Treats 7.5k-20k Gallons
4.5 out of 5 stars
Natural Chemistry Algae Break 90 Day Algaecide 32oz 17600NCM $33.00

$3300
current price $33.00Natural Chemistry Algae Break 90 Day Algaecide 32oz 17600NCM
4 out of 5 stars
In The Swim Algaecide 60 Plus For Swimming Pools - Non-Metallic, Low Odor, Non-Foaming Algae Bloom Preventative - Chlorine Sanitizer Compatible - 1 Quart Y1300 From $27.99

2 options
Available in additional 2 optionsFrom$2799
In The Swim Algaecide 60 Plus For Swimming Pools - Non-Metallic, Low Odor, Non-Foaming Algae Bloom Preventative - Chlorine Sanitizer Compatible - 1 Quart Y1300
4.5 out of 5 stars
Coral Seas YELLOWOUT Pool Cleaner Yellow Out Algaecide 2lb $20.29

$2029
current price $20.29Coral Seas YELLOWOUT Pool Cleaner Yellow Out Algaecide 2lb
4.1 out of 5 stars
Bromine Pool Chemicals Leisure Time Bromine Tabs 2 x 2.2 Lbs $73.99

Sponsored
$7399
current price $73.99Bromine Pool Chemicals Leisure Time Bromine Tabs 2 x 2.2 Lbs
3.6 out of 5 stars
In 50+ people's carts, HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use $23.11 29.0 ¢/oz
In 50+ people's carts

Sponsored
$2311
current price $23.1129.0 ¢/oz
HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use
4.6 out of 5 stars
100+ bought since yesterday, Clorox Pool&Spa 6pk Shock Xtrablue2 From $13.23
100+ bought since yesterday

3 options
Available in additional 3 optionsFrom$1323
Clorox Pool&Spa 6pk Shock Xtrablue2
4.6 out of 5 stars
In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 6 X 1 Pound From $39.99

5 options
Available in additional 5 optionsFrom$3999
In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 6 X 1 Pound
4.5 out of 5 stars
GLB Pool & Spa Products 71118 1-Quart Vanquish Algaecide $34.04

$3404
current price $34.04GLB Pool & Spa Products 71118 1-Quart Vanquish Algaecide
4.5 out of 5 stars
ProTeam Polyquat 60 (1 qt) $42.78

$4278
current price $42.78ProTeam Polyquat 60 (1 qt)
5 out of 5 stars
In The Swim Winter Swimming Pool Algaecide - 1 Quart $22.99 $22.99/qt

$2299
current price $22.99$22.99/qt
In The Swim Winter Swimming Pool Algaecide - 1 Quart
4.6 out of 5 stars
BioGuard Back Up 2 (1 qt) $31.99

$3199
current price $31.99BioGuard Back Up 2 (1 qt)
In 50+ people's carts, Clorox Pool&Spa XtraBlue 3" Chlorinating Tablets Chlorine Pool Chemicals , 5lb From $30.00
In 50+ people's carts

4 options
Available in additional 4 optionsFrom$3000
Clorox Pool&Spa XtraBlue 3" Chlorinating Tablets Chlorine Pool Chemicals , 5lb
4.5 out of 5 stars
In The Swim Algaecide for Swimming Pools – Green and Yellow Algae Preventative – Non-Clouding, Non-Foaming Formula – 10% Quaternary Compound - 1 Quart 404874 From $21.49

2 options
Available in additional 2 optionsFrom$2149
In The Swim Algaecide for Swimming Pools – Green and Yellow Algae Preventative – Non-Clouding, Non-Foaming Formula – 10% Quaternary Compound - 1 Quart 404874
4.8 out of 5 stars
HTH Pool Care Clear Defense — Liquid, 28 fl oz — Pool Algaecide for Water Treatment From $19.97

Sponsored
From$1997
HTH Pool Care Clear Defense — Liquid, 28 fl oz — Pool Algaecide for Water Treatment
4.6 out of 5 stars
BioGuard-23050-2 PACK Back Up 2 - Highly Effective Algae Preventative - Step 3 - 1 Quart(2) $63.98

Sponsored
$6398
current price $63.98BioGuard-23050-2 PACK Back Up 2 - Highly Effective Algae Preventative - Step 3 - 1 Quart(2)
4.1 out of 5 stars
HTH Pool Care Algae Guard Ultra Plus — Liquid, 28 fl oz — Pool Algaecide for All Pool Types

HTH Pool Care Algae Guard Ultra Plus — Liquid, 28 fl oz — Pool Algaecide for All Pool Types
4.7 out of 5 stars
Doheny's Algaecide - 1 Qt. From $16.99

3 options
Available in additional 3 optionsFrom$1699
Doheny's Algaecide - 1 Qt.
4.6 out of 5 stars
GLB Pool & Spa Products 71118 1-Quart Vanquish Algaecide $31.50

$3150
current price $31.50GLB Pool & Spa Products 71118 1-Quart Vanquish Algaecide
3.7 out of 5 stars
BAQUACIL Algicide (32 oz) $27.49

$2749
current price $27.49BAQUACIL Algicide (32 oz)
4.5 out of 5 stars
Spa Choice Defense: 2 x 1 Quart $44.99

$4499
current price $44.99Spa Choice Defense: 2 x 1 Quart
In The Swim Black Algaecide Eradicates Black Algae in Swimming Pools - Copper Sulfate Pentahydrate - 1 Quart F050001012AE $24.99 $24.99/qt

$2499
current price $24.99$24.99/qt
In The Swim Black Algaecide Eradicates Black Algae in Swimming Pools - Copper Sulfate Pentahydrate - 1 Quart F050001012AE
4.1 out of 5 stars
In 50+ people's carts, Clorox Pool&Spa Shock XtraBlue+ Granules Swimming Pool Shock, 1lb for sanitization From $6.72
In 50+ people's carts

2 options
Available in additional 2 optionsFrom$672
Clorox Pool&Spa Shock XtraBlue+ Granules Swimming Pool Shock, 1lb for sanitization
4.7 out of 5 stars
Copper Pool Algaecide for Swimming Pools - 64 oz - 90 Day Algaecide for Inground & Above Ground Pools, Helps Prevent & Remove Green, Mustard, Blue, Black Algae - AquaDoc $55.99 Was $71.99

Now$5599
current price Now $55.99, Was $71.99$71.99
Copper Pool Algaecide for Swimming Pools - 64 oz - 90 Day Algaecide for Inground & Above Ground Pools, Helps Prevent & Remove Green, Mustard, Blue, Black Algae - AquaDoc
4.6 out of 5 stars
Eeziblue Monthly Pool Algaecide Bundle | Pool Booster for All Algae in Above Ground and In-Ground Swimming Pools 5k - 10k Gallons From $17.95

3 options
Available in additional 3 optionsFrom$1795
Eeziblue Monthly Pool Algaecide Bundle | Pool Booster for All Algae in Above Ground and In-Ground Swimming Pools 5k - 10k Gallons
3.6 out of 5 stars
PoolRx Algaecide Mineral Unit Pool Chemicals, Blue, 4 Pack $208.92

$20892
current price $208.92PoolRx Algaecide Mineral Unit Pool Chemicals, Blue, 4 Pack
4.7 out of 5 stars
BioGuard-23050-2 PACK Back Up 2 - Highly Effective Algae Preventative - Step 3 - 1 Quart(2) $63.98

$6398
current price $63.98BioGuard-23050-2 PACK Back Up 2 - Highly Effective Algae Preventative - Step 3 - 1 Quart(2)
4.1 out of 5 stars
In The Swim Algaecide 50 For Swimming Pools - Green, Black, and Yellow Algae Treatment for Above Ground or Inground Swimming Pools - 1 Quart F045001012AE From $25.49

3 options
Available in additional 3 optionsFrom$2549
In The Swim Algaecide 50 For Swimming Pools - Green, Black, and Yellow Algae Treatment for Above Ground or Inground Swimming Pools - 1 Quart F045001012AE
4.5 out of 5 stars
Leisure Time E5 Spa 56 Chlorinating Granules, 5 Pound $43.99

$4399
current price $43.99Leisure Time E5 Spa 56 Chlorinating Granules, 5 Pound
4.9 out of 5 stars
Leisure Time 22337A Spa 56 Chlorinating Granules Bottle for Spas and Hot Tubs From $26.62

2 options
Available in additional 2 optionsFrom$2662
Leisure Time 22337A Spa 56 Chlorinating Granules Bottle for Spas and Hot Tubs
4.4 out of 5 stars
McGrayel EasyCare Algatec 64oz $42.89

$4289
current price $42.89McGrayel EasyCare Algatec 64oz
4.6 out of 5 stars
Nu-Clo All in One Pool Algae Chemical Controllers, 32 fl oz $36.95

$3695
current price $36.95Nu-Clo All in One Pool Algae Chemical Controllers, 32 fl oz
Applied Biochemists 406103A-02 Silvertrine Plus Algaecide, 2-Pack $62.03

$6203
current price $62.03Applied Biochemists 406103A-02 Silvertrine Plus Algaecide, 2-Pack
1 out of 5 stars
Bio-Dex Aqua Pure Algaecide, 1 Quart $35.17

$3517
current price $35.17Bio-Dex Aqua Pure Algaecide, 1 Quart
5 out of 5 stars
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