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HTH Algae Guard for Swimming Pools, Kill and Prevent Algae, 1 Gallon

$10.00
(3.9) 3.9 stars out of 10 reviews 10 reviews
$10.00
$10.00
Free overnigh delivery
FSA and HSA eligible
HTH Algae Guard for Swimming Pools, Kill and Prevent Algae, 1 Gallon

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Customer reviews & ratings

3.9 out of 5stars
(10 reviews)
See all reviews

Most helpful positive review

5.00 out of 5 stars review
Verified Purchaser
05/22/2019
HTC Algae Guard
After brushing and vacuuming pool I had some dead white algae float to top. Worked as advertised. My pool had floating algae and I poured the initial dose recommended. It did foam a little bit but worth it! My inground 13,000 gallon pool became crystal clear on 15 minutes. And the foam disappeared as well! Definitely will but again.
Sjp1965

Most helpful negative review

1.00 out of 5 stars review
Verified Purchaser
06/20/2020
Super Foaming
Helped kills algae but clearly states NON-FOAMING. Our pool is FULL OF FOAM.. will never buy again
lilraye214
  • 4.00 out of 5 stars review
    Verified Purchaser
    06/10/2021
    It cleaned up the pool
    It took a couple applications running the pump 24/7 and baking soda to get my water clear. Nice to not see light green pool water finally
    Zing
  • 5.00 out of 5 stars review
    Verified Purchaser
    12/11/2020
    One application took out algae and lasted a long time.
    XEdgeXPAX
  • 2.00 out of 5 stars review
    Verified Purchaser
    11/25/2020
    Didnt work
    Did not work for me. Had to go to pool store and buy more powerful stuff
    karen
  • 5.00 out of 5 stars review
    Verified Purchaser
    08/31/2020
    HTH works fast
    This products works fast. I used other brands for my above ground pool. HTH works fast. With daily cleaning of filter. The dead algae was gone and pool clear.
    Enjoymyproduct
  • 5.00 out of 5 stars review
    Verified Purchaser
    08/10/2020
    Our pool was getting green after tons of rain and we put this in there and by that evening it was almost completely cleared up .
    Mungers
  • 5.00 out of 5 stars review
    Verified Purchaser
    07/26/2020
    Works amazing
    Works amazing had some green In my pool poured the whole gallon in and the green was gone in not time!!
    toyotatk
  • 1.00 out of 5 stars review
    Verified Purchaser
    06/20/2020
    Super Foaming
    Helped kills algae but clearly states NON-FOAMING. Our pool is FULL OF FOAM.. will never buy again
    lilraye214
  • 2.00 out of 5 stars review
    Verified Purchaser
    06/20/2020
    Swimming in Foam
    We added this "non foaming" product to our pool just prior to having company who came to swim. It foamed up to the point that after 30 minutes, no one wanted to chance it. It may be a good Algae preventer but it definitely is NOT non foaming.
    Watzi
  • 5.00 out of 5 stars review
    Verified Purchaser
    06/04/2019
    Good product
    Very good product for the price. I had green algae Building on my pool walls and greenish water. My pool is 18000 gal. And have always used pool perfect in the past which is very expensive but this stuff did a great job. Item says it's non-foaming but if you have a small air leak (which I had, it will foam). After correcting the air leak the foam went away. Works just as well as products the cost 4x more. One thing, if you have a dog that thinks the pool is his own water bowl be careful or he will get the trots.
    Dave
  • 5.00 out of 5 stars review
    Verified Purchaser
    05/22/2019
    HTC Algae Guard
    After brushing and vacuuming pool I had some dead white algae float to top. Worked as advertised. My pool had floating algae and I poured the initial dose recommended. It did foam a little bit but worth it! My inground 13,000 gallon pool became crystal clear on 15 minutes. And the foam disappeared as well! Definitely will but again.
    Sjp1965
See all reviews