Baquacil Sanitizer & Algistat (Step 1)

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Key Feautures

- Step 1 of The 3-Step Baquacil System

- Chlorine-Free Formula

- Long-Lasting Shelf Life

- Exceptional Stability in Water

- Enduring Protection Against Bacteria and Algae

BAQUACIL Pool Sanitizer and Algistat. 1/2 gallon bottle

Baquacil is the #1 alternative pool santizer avaialble.  Baquacil will sanitize pool water much faster than chlorine or salt without any of the harsh effects of chorine.  Enjoy silky water that is so enjoyable to swim in.  

At the core of the BAQUACIL Pool Care System lies a chlorine-free liquid sanitizer, ensuring secure and reliable management of bacteria and algae. This solution boasts an extended shelf life, exceptional stability in water, and a prolonged effectiveness compared to chlorine, all without the undesirable side effects associated with chlorine use. Please note, this product is exclusively compatible with BAQUACIL® pools.


Start Up - 1/2 Gallon per 10,000 Gallons of Pool Water. Sanitizer level should reach 50ppm.
Add 1 pint per 10,000 Gallons to raise Sanitizer 10ppm.


  1. Test level of Sanitizer
  2. Sanitizer level should not be lower than 30ppm. 50ppm is the ideal level.

Available in sizes: 1/2 gal.

Ingredients: Poly (Hexamethlenbiguanide) hydrochloride: 20% - Other Ingredients: 80%


Download the Baquacil Water Testing Guide


  • 5
    Baquacil Sanitizer & Algistat

    Posted by Rhonda C Garcia on Aug 17th 2022

    We use it in conjunction with other products from Baquacil and love the use of use.

  • 5
    I have used this for 20 years

    Posted by bob spaulding on Jun 28th 2022

    great stuff and very easy to order from National Pool

  • 5

    Posted by John Hibberd on Jun 25th 2022

    We have been using this product for years in our pool. We love it and are glad we can get in shipped from National Pool

  • 5

    Posted by donald abel on Jun 17th 2022

    Been using for years. Company and product.

  • 5

    Posted by Sheree R. on Jun 12th 2022

    Love Baquacil products!

  • 5

    Posted by Bruce Audibert on Jun 6th 2022


  • 5
    Baquacil Sanitizer and Algistat

    Posted by Ken on May 17th 2022

    Absolutely essential to keep our pool blue!

  • 5

    Posted by Donna Estes on Mar 25th 2022

    Baquacil products are superior to all else. I'll never use chlorine. Baquacil is safe for eyes, skin, hair, clothing, pool liner n pool accessories. No fading, no green hair, it's an amazing product! Using it for about 18-20 yrs!

  • 5
    BQ sanitizer

    Posted by Laura Barrie on Mar 18th 2022

    Have used store brands and did not get the results that I get with this