
Sorry, this item is out of stock
HTH Algae Guard Advanced — Liquid, 28 fl oz — Pool Algaecide Compatible with All Pool Types $20.97
$2097current price $20.97HTH Algae Guard Advanced — Liquid, 28 fl oz — Pool Algaecide Compatible with All Pool Types
3944.5 out of 5 Stars. 394 reviewsHTH Pool Care Algae Guard 10 — Liquid (Form), 119 oz — Pool algaecide to prevent and control algae $16.97
$1697current price $16.97HTH Pool Care Algae Guard 10 — Liquid (Form), 119 oz — Pool algaecide to prevent and control algae
5534.6 out of 5 Stars. 553 reviewsHTH Algae Guard Ultra Swimming Pool Algaecide - Long Lasting Formula - 32 fl oz $34.39
$3439current price $34.39HTH Algae Guard Ultra Swimming Pool Algaecide - Long Lasting Formula - 32 fl oz
15 out of 5 Stars. 1 reviewsHTH Pool Care Algae Guard Ultra Liquid Algaecide for Swimming Pools, Non-Foaming Formula, 1 Qt $35.24
$3524current price $35.24HTH Pool Care Algae Guard Ultra Liquid Algaecide for Swimming Pools, Non-Foaming Formula, 1 Qt
174.9 out of 5 Stars. 17 reviewsHTH Pool Care Algae Guard 10 for Swimming Pools, Pool Chemicals, 1 gal $27.99
$2799current price $27.99HTH Pool Care Algae Guard 10 for Swimming Pools, Pool Chemicals, 1 gal
4354.6 out of 5 Stars. 435 reviews50+ bought since yesterday Clorox Pool&Spa Algaecide + Clarifier $14.88
Options from$1488– $2976Clorox Pool&Spa Algaecide + Clarifier
37524.5 out of 5 Stars. 3752 reviewsHTH Pool Care Clarifier Advanced for Swimming Pools, Liquid, 28oz. $10.97
$1097current price $10.97HTH Pool Care Clarifier Advanced for Swimming Pools, Liquid, 28oz.
2964.7 out of 5 Stars. 296 reviewsClorox Pool&Spa Awesome Algaecide for Treating Algae Liquid Pool Algae Chemical Controllers, 32 oz $16.30
Options from$1630– $4890Clorox Pool&Spa Awesome Algaecide for Treating Algae Liquid Pool Algae Chemical Controllers, 32 oz
12374.5 out of 5 Stars. 1237 reviews(2 pack) HTH Pool Care Algae Guard Ultra Plus — Liquid, 28 fl oz — Pool Algaecide for All Pool Types $53.76
$5376current price $53.76(2 pack) HTH Pool Care Algae Guard Ultra Plus — Liquid, 28 fl oz — Pool Algaecide for All Pool Types
HTH Algae Guard for Swimming Pools, Kill and Prevent Algae, 1 Gallon $24.98
$2498current price $24.98+$6.98 shippingHTH Algae Guard for Swimming Pools, Kill and Prevent Algae, 1 Gallon
474.6 out of 5 Stars. 47 reviewsPool Time Effective Maintenance Solution Algicide Clarifier Liquid Swimming Pool Chemicals, 128 oz $32.99
$3299current price $32.99Pool Time Effective Maintenance Solution Algicide Clarifier Liquid Swimming Pool Chemicals, 128 oz
14 out of 5 Stars. 1 reviewsDoheny's Super Algaecide for Swimming Pools - 40 oz. Bottle $19.16
Options from$1916– $18896Doheny's Super Algaecide for Swimming Pools - 40 oz. Bottle
3264.7 out of 5 Stars. 326 reviews(3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use $14.43
$1443current price $14.43(3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use
Best seller Pool Essentials Chlorinating Liquid for Swimming Pools, 1 Gallon ( 5 Packs ) $79.99
$7999current price $79.99Pool Essentials Chlorinating Liquid for Swimming Pools, 1 Gallon ( 5 Packs )
7514.7 out of 5 Stars. 751 reviews(3 pack) HTH Algae Guard Advanced — Liquid, 28 fl oz — Pool Algaecide Compatible with All Pool Types $62.91
$6291current price $62.91(3 pack) HTH Algae Guard Advanced — Liquid, 28 fl oz — Pool Algaecide Compatible with All Pool Types
Natural Chemistry Yellow Out Swimming Pool Stain Remover, 4 lbs $29.99
More options from$2080Natural Chemistry Yellow Out Swimming Pool Stain Remover, 4 lbs
714.4 out of 5 Stars. 71 reviews


HTH Pool Care Algae Guard Advanced for Swimming Pools, 32 fl. oz.
Key item features
- Algae Control: Destroys and prevents all types of algae, including green, black, and mustard algae.
- Immediate Use: Swim immediately after adding the product to your pool water.
- Universal Compatibility: Suitable for all swimming pools, including vinyl-lined and salt water systems.
- Non-Foaming Formula: Fast-acting and non-foaming for clear pool water.
- Seasonal Use: Ideal for both opening and closing your pool.
- Weekly Maintenance: Best results when used as part of a weekly maintenance routine, every 3-5 days.
- HTH Quality: Developed with the pool owner in mind, offering economical and easy-to-use solutions.
Specs
- Chemical standard typeAlgicide
- FormLiquid
- Pool chemical typeChlorine Pool Chemicals
- Size32oz
Reviews summary
- : Offers good value at this cost.
- : Quickly kills and removes algae from pool water.
- : Can be pleasant, but also produces strong or weird odors.
- : Causes cloudy pool water due to over-foaming.
How do you want your item?
Continue your search on Walmart
More items to consider
Based on what customers bought
U.S. Pool Supply Pool Maintenance Kit with Leaf Skimmer Net, Brush, and Adjustable Telescopic Pole - 6" Deep Mesh Netting, Nylon Scrub Brush, Clean Sweep Debris from Walls, Floors, Steps, Spas, Ponds $27.99
Sponsored$2799current price $27.99U.S. Pool Supply Pool Maintenance Kit with Leaf Skimmer Net, Brush, and Adjustable Telescopic Pole - 6" Deep Mesh Netting, Nylon Scrub Brush, Clean Sweep Debris from Walls, Floors, Steps, Spas, Ponds
1223.9 out of 5 Stars. 122 reviewsSave withShipping, arrives in 2 daysClearance Cordless Pool Vacuum for Deep Cleaning & Strong Suction, Handheld Rechargeable Swimming Pool Cleaner for Inground and Above Ground Pools, Hoseless Pool Vac, Pool Cleaning Tools $22.38
$2238current price $22.38+$1.99 shippingClearance Cordless Pool Vacuum for Deep Cleaning & Strong Suction, Handheld Rechargeable Swimming Pool Cleaner for Inground and Above Ground Pools, Hoseless Pool Vac, Pool Cleaning Tools
472.8 out of 5 Stars. 47 reviewsShipping, arrives in 3+ daysConfer Skim-It Skimmer Leaf and Debris Cleaning Arm $37.99
$3799current price $37.99Confer Skim-It Skimmer Leaf and Debris Cleaning Arm
333.9 out of 5 Stars. 33 reviewsShipping, arrives in 3+ daysBest seller Mainstays 20" Wall Brush With Side Bristles $23.97
Best seller
$2397current price $23.97Mainstays 20" Wall Brush With Side Bristles
504.6 out of 5 Stars. 50 reviewsSave withShipping, arrives tomorrowBest seller HTH Spa Care Non-Chlorine Shock Oxidizer — Granules, 2.2 lb — Pool and Spa Shock Treatment for Water Clarification $23.57
Best seller
$2357current price $23.57HTH Spa Care Non-Chlorine Shock Oxidizer — Granules, 2.2 lb — Pool and Spa Shock Treatment for Water Clarification
3364.7 out of 5 Stars. 336 reviewsSave withPickup tomorrowDelivery todayShipping, arrives tomorrow50+ bought since yesterday Expert Gardener 50FT Medium Duty Garden Hose $19.94
50+ bought since yesterday
2 optionsAvailable in additional 2 options$1994current price $19.94Options from $19.94 – $29.94Expert Gardener 50FT Medium Duty Garden Hose
80114 out of 5 Stars. 8011 reviewsSave withPickup tomorrowDelivery todayShipping, arrives tomorrowBest seller Aqua First Durable Leaf Skimmer with Fine Mesh Net for Cleaning Swimming Pools and Fountains $14.07
Best seller
$1407current price $14.07Aqua First Durable Leaf Skimmer with Fine Mesh Net for Cleaning Swimming Pools and Fountains
1693.4 out of 5 Stars. 169 reviewsShipping, arrives in 3+ daysU.S. Pool Supply Professional 12" Swimming Pool Leaf Skimmer Net - Fine Mesh Netting, Clean Pool, Spa, Hot Tub, Pond - Cleanout Leaves Fast, Debris Pickup Removal, Fits Standard Swimming Pool Pole $6.79
2 optionsAvailable in additional 2 options$679current price $6.79+$1.99 shippingOptions from $6.79 – $10.00U.S. Pool Supply Professional 12" Swimming Pool Leaf Skimmer Net - Fine Mesh Netting, Clean Pool, Spa, Hot Tub, Pond - Cleanout Leaves Fast, Debris Pickup Removal, Fits Standard Swimming Pool Pole
2164 out of 5 Stars. 216 reviewsShipping, arrives in 3+ days
About this item
Product details
HTH® Algae Guard Advanced is a powerful swimming pool treatment from HTH® and a great value in DIY pool care. It kills and prevents heavy growth of green, black and mustard algae caused by low chlorine levels, poor water circulation or very warm weather for a season of crystal clear pool water. Simply add the non-foaming, fast-acting algaecide directly to your swimming pool water and dive right back in! HTH® Algae Guard Advanced is compatible with all pool types and works great with HTH® Shock products.
How to Use HTH® Algae Guard Advanced: Add directly to your swimming pool water with the pump running. For best results, use HTH® Algae Guard Advanced as part of your weekly maintenance (every 3 – 5 days). This formula is also great for opening and closing your swimming pools.
- Destroys and prevents all types of algae
- Swim immediately
- Compatible with all swimming pools
- Non-Foaming, Fast-acting
- Great for opening and closing your pool
About HTH® Pool Care
HTH® Pool Care was developed with the pool owner in mind. We know that maintaining your pool water can be a lot of work. That’s why we're here every step of the way, helping you clear the uncertainty from pool care. With economical, easy-to-use solutions, HTH® is designed to work hard so you're prepared to tackle whatever life throws in your pool. From balancing your water to treating green water, we offer a full line of products to keep your pool water healthy and your swimmers happy.
Be all clear for more summertime fun! Use this powerful, non-foaming formula to kill and prevent heavy amounts of algae blooms for crystal clear pool water.
Powerful algae control
HTH® Algae Guard Advanced effectively destroys and prevents heavy green, black and mustard algae blooms.
Non-foaming, fast-acting
Add HTH® Algae Guard Advanced directly to your swimming pool water and swim right away!
Compatible with all pools
This product is great for all swimming pools including vinyl-lined and salt water systems.
You're all clear with HTH®
For best results, use HTH® Algae Guard Advanced as part of your weekly maintenance routine. Works great with HTH® Shock products.
Popular items in this category
Best selling items that customers love
50+ bought since yesterday HTH 3-inch Chlorine Tablet Advanced — Tablet, 6 oz — Pool Sanitizer for Swimming Pools $5.97
50+ bought since yesterday
Sponsored$597current price $5.97HTH 3-inch Chlorine Tablet Advanced — Tablet, 6 oz — Pool Sanitizer for Swimming Pools
6494.6 out of 5 Stars. 649 reviewsSave withPickup tomorrowDelivery todayShipping, arrives tomorrowHTH 1-inch Chlorine Tablets — Tablet Form, 5 lb — Pool Sanitizer to Kill Algae & Bacteria $38.92 Was $45.59 $7.78/lb
SponsoredNow$3892current price Now $38.92, Was $45.59$45.59$7.78/lbYou save $6.67You save$6.67HTH 1-inch Chlorine Tablets — Tablet Form, 5 lb — Pool Sanitizer to Kill Algae & Bacteria
1664.9 out of 5 Stars. 166 reviewsSave withShipping, arrives in 3+ daysHTH Pool Care Algae Guard Ultra Plus — Liquid, 28 fl oz — Pool Algaecide for All Pool Types $26.88
2 optionsAvailable in additional 2 options$2688current price $26.88HTH Pool Care Algae Guard Ultra Plus — Liquid, 28 fl oz — Pool Algaecide for All Pool Types
2304.7 out of 5 Stars. 230 reviewsSave withPickup tomorrowDelivery todayShipping, arrives tomorrow(2 pack) HTH 3-inch Chlorine Tablet Advanced — Tablet, 6 oz — Pool Sanitizer for Swimming Pools $11.94
$1194current price $11.94(2 pack) HTH 3-inch Chlorine Tablet Advanced — Tablet, 6 oz — Pool Sanitizer for Swimming Pools
Save withPickup tomorrowDelivery todayShipping, arrives tomorrowHTH 3-inch Chlorine Tablets — Tablet, 5 lb — Pool Sanitizer for Bacteria and Algae Control $35.97 45.0 ¢/oz
$3597current price $35.9745.0 ¢/ozHTH 3-inch Chlorine Tablets — Tablet, 5 lb — Pool Sanitizer for Bacteria and Algae Control
804.6 out of 5 Stars. 80 reviewsSave withShipping, arrives in 2 daysHTH 3-inch Chlorine Tablets — Tablet, 25 lb — Pool Sanitizer for Routine Chlorination $127.00 31.8 ¢/oz
$12700current price $127.0031.8 ¢/ozHTH 3-inch Chlorine Tablets — Tablet, 25 lb — Pool Sanitizer for Routine Chlorination
364.8 out of 5 Stars. 36 reviewsSave withShipping, arrives in 2 days50+ bought since yesterday HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention $15.15
50+ bought since yesterday
Sponsored$1515current price $15.15HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention
13334.7 out of 5 Stars. 1333 reviewsSave withPickup tomorrowDelivery todayShipping, arrives tomorrowHTH Pool Care Chlorine Granules, Pool Chemical Sanitizer, 5 lbs, for Daily Chlorination $33.97 Was $44.12
SponsoredNow$3397current price Now $33.97, Was $44.12$44.12You save $10.15You save$10.15HTH Pool Care Chlorine Granules, Pool Chemical Sanitizer, 5 lbs, for Daily Chlorination
2044.5 out of 5 Stars. 204 reviewsPickup tomorrowHTH Pool Care 3" Chlorine Tabs for Swimming Pools, Pool Chemicals, 25 lbs $134.95
$13495current price $134.95HTH Pool Care 3" Chlorine Tabs for Swimming Pools, Pool Chemicals, 25 lbs
1424.9 out of 5 Stars. 142 reviewsShipping, arrives in 3+ daysHTH Metal & Stain Defense Liquid Pool Chemical, Stain Preventer, For All Pool Types, 1 Qt $27.16
$2716current price $27.16HTH Metal & Stain Defense Liquid Pool Chemical, Stain Preventer, For All Pool Types, 1 Qt
124.5 out of 5 Stars. 12 reviewsShipping, arrives in 3+ daysHTH 3-inch Chlorine Tablets — Tablet, 6 oz — Pool Sanitizer for Algae Control and Safe for All Pool Types $4.97 82.8 ¢/oz
$497current price $4.9782.8 ¢/ozHTH 3-inch Chlorine Tablets — Tablet, 6 oz — Pool Sanitizer for Algae Control and Safe for All Pool Types
454.8 out of 5 Stars. 45 reviewsSave withShipping, arrives in 2 daysHTH Pool Care Ultra Shock Treatment — Granules (Form), 1 lb — Pool Shock Treatment for Weekly Use and Water Sanitizing $7.14
$714current price $7.14HTH Pool Care Ultra Shock Treatment — Granules (Form), 1 lb — Pool Shock Treatment for Weekly Use and Water Sanitizing
1284.7 out of 5 Stars. 128 reviewsSave withShipping, arrives in 2 daysHTH Pool Care Chlorine Shock Treatment, Pool Chemical Shock, Granules, 5 lb, for Weekly Pool Chlorination $28.04 $5.61/lb
$2804current price $28.04$5.61/lbHTH Pool Care Chlorine Shock Treatment, Pool Chemical Shock, Granules, 5 lb, for Weekly Pool Chlorination
2494.7 out of 5 Stars. 249 reviewsPickup tomorrowHTH Chlorine Shock — Granules, 13.3 oz — Pool Shock Treatment for Weekly Chlorination $3.97
2 optionsAvailable in additional 2 options$397current price $3.97Options from $3.97 – $69.02HTH Chlorine Shock — Granules, 13.3 oz — Pool Shock Treatment for Weekly Chlorination
7734.6 out of 5 Stars. 773 reviewsSave withShipping, arrives in 3+ daysHTH Pool Care Shock Ultra — Granules, 6 pack (1 lb each) — Pool Shock Treatment to Sanitize and Clarify Water $38.06
Sponsored$3806current price $38.06HTH Pool Care Shock Ultra — Granules, 6 pack (1 lb each) — Pool Shock Treatment to Sanitize and Clarify Water
1284.7 out of 5 Stars. 128 reviewsSave withShipping, arrives in 2 daysHTH Brilliance Cal Hypo Chlorine Tablets for Swimming Pools, Chlorine Pool Chemicals, 4.75lb $40.47 Was $54.66 53.3 ¢/oz
SponsoredNow$4047current price Now $40.47, Was $54.66$54.6653.3 ¢/ozYou save $14.19You save$14.19HTH Brilliance Cal Hypo Chlorine Tablets for Swimming Pools, Chlorine Pool Chemicals, 4.75lb
2944 out of 5 Stars. 294 reviewsSave withPickup tomorrowDelivery todayShipping, arrives tomorrow(3 pack) HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention $45.45
$4545current price $45.45(3 pack) HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention
Save withShipping, arrives tomorrowHTH Ultra Chlorine Tablets Swimming Pool Sanitizer - 3" Tablets - 8 lbs $77.23 Was $88.99
Now$7723current price Now $77.23, Was $88.99$88.99You save $11.76You save$11.76HTH Ultra Chlorine Tablets Swimming Pool Sanitizer - 3" Tablets - 8 lbs
515 out of 5 Stars. 51 reviewsShipping, arrives in 3+ daysBest seller HTH 3-inch Chlorine Tablets Advanced — Tablets (Form), 25 lb — Chlorinating tablets (pool chemical type) to sanitize pool water $10.90
Best seller
6 optionsAvailable in additional 6 optionsSponsored$1090current price $10.90Options from $10.90 – $220.62HTH 3-inch Chlorine Tablets Advanced — Tablets (Form), 25 lb — Chlorinating tablets (pool chemical type) to sanitize pool water
53574.5 out of 5 Stars. 5357 reviewsSave withPickup tomorrowDelivery todayShipping, arrives tomorrowHTH Pool Care 3-inch Chlorine Tabs Swimming Pool Chlorinating Sanitizer 40lbs $220.19
$22019current price $220.19HTH Pool Care 3-inch Chlorine Tabs Swimming Pool Chlorinating Sanitizer 40lbs
12 out of 5 Stars. 1 reviewsShipping, arrives in 3+ days
Check out these related products
HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use $22.97
Sponsored$2297current price $22.97HTH Pool Care Chlorine Shock — Granules, 6 Pack (13.3 oz each) — Pool Shock Treatment for Weekly Use
7734.6 out of 5 Stars. 773 reviewsSave withShipping, arrives in 2 daysHTH Pool Care pH Decreaser, Powder, 5 lbs, for Balancing pH Levels $12.60 Was $15.99
SponsoredNow$1260current price Now $12.60, Was $15.99$15.99You save $3.39You save$3.39HTH Pool Care pH Decreaser, Powder, 5 lbs, for Balancing pH Levels
1594.8 out of 5 Stars. 159 reviewsSave withShipping, arrives in 2 daysHTH Pool Care Drop Out Flocculant for Swimming Pools, Clears Dull & Cloudy Water, 32 fl. oz. $22.00
$2200current price $22.00HTH Pool Care Drop Out Flocculant for Swimming Pools, Clears Dull & Cloudy Water, 32 fl. oz.
1194.1 out of 5 Stars. 119 reviewsShipping, arrives in 3+ daysHTH Pool Care Shock for Swimming Pools, Pool Chemicals, 5.5 lbs $44.95
$4495current price $44.95+$3.98 shippingHTH Pool Care Shock for Swimming Pools, Pool Chemicals, 5.5 lbs
7734.6 out of 5 Stars. 773 reviewsShipping, arrives in 3+ days50+ bought since yesterday HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use $24.13 Was $29.99
50+ bought since yesterday
3 optionsAvailable in additional 3 optionsNow$2413current price Now $24.13, Was $29.99$29.99You save $5.86You save$5.86More options from $4.81HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use
75104.6 out of 5 Stars. 7510 reviewsSave withPickup tomorrowDelivery todayShipping, arrives tomorrowHTH Pool Care Alkalinity up — Granules (Form), 5 lb — Pool Alkalinity Increaser to Balance pH and Total Alkalinity $9.23
$923current price $9.23HTH Pool Care Alkalinity up — Granules (Form), 5 lb — Pool Alkalinity Increaser to Balance pH and Total Alkalinity
1564.8 out of 5 Stars. 156 reviewsSave withShipping, arrives in 2 daysHTH Pool Care pH up — Powder, 5 lb — Pool Chemical pH Increaser to Balance pH and Improve Water Clarity $8.48
$848current price $8.48HTH Pool Care pH up — Powder, 5 lb — Pool Chemical pH Increaser to Balance pH and Improve Water Clarity
1454.9 out of 5 Stars. 145 reviewsSave withShipping, arrives in 2 daysHTH Pool Care Shock Advanced, Swimming Pool Chemical Prevents Bacteria & Algae, Cal Hypo Formula, 1 lb (Pack of 6) $42.99 Was $50.99
Now$4299current price Now $42.99, Was $50.99$50.99+$6.98 shippingYou save $8.00You save$8.00HTH Pool Care Shock Advanced, Swimming Pool Chemical Prevents Bacteria & Algae, Cal Hypo Formula, 1 lb (Pack of 6)
25 out of 5 Stars. 2 reviewsShipping, arrives in 3+ daysHTH Pool Care Calcium Hardness Increaser — Granules, 4 lb — Pool Chemical to Raise Calcium Hardness and Improve Water Balance $10.49
$1049current price $10.49HTH Pool Care Calcium Hardness Increaser — Granules, 4 lb — Pool Chemical to Raise Calcium Hardness and Improve Water Balance
1684.9 out of 5 Stars. 168 reviewsSave withShipping, arrives in 2 days
Customer ratings & reviews
Reviews summary
- : Offers good value at this cost.
- : Quickly kills and removes algae from pool water.
- : Can be pleasant, but also produces strong or weird odors.
- : Causes cloudy pool water due to over-foaming.
Customer images
Showing 1-3 of 103 reviews
Verified Purchase
SPARKLING WATER
HTH ALGECIDE WORKS FINE. USE HTH CHLORINE TABS TOO.
Verified Purchase
Pool Care Algae Guard Advanced for Swimming Pools is an effective, concentrated swimming pool product. I would highly recommend as it keep swimming pools clean of algae when used accordingly. There is a phone number in which you can engage with HTH Customer Service if needed.
Verified Purchase






