Brandwave

BioGuard vs HASA:Which is more popular?

In September 2026, HASA had more branded searches than BioGuard among pool chemical brands worldwide. HASA had about 40,500 branded searches, while BioGuard had 170. HASA made up 86.5% of all pool chemical brand searches we track, and BioGuard accounted for 0.36%. When we asked ChatGPT and Google AI Overviews about pool chemical brands, HASA appeared in two of the five answers and BioGuard in none.

Among pool chemical brands worldwide in September 2026

Who do people search for more?

HASA, about 238 searches for every 1 for BioGuard

HASA 40.5K searchesBioGuard 170 searches

Who does AI mention more?

HASA, mentioned in 2 of 5 answers, BioGuard in 0

HASA in 2 of 5BioGuard in 0 of 5

Who does AI recommend more?

HASA, the only one of the two named

HASA first in 2BioGuard never named

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Top pool chemical brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, HASA was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. BioGuard did not appear in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. HTH1st
  2. Poolife2nd
  3. Clorox Pool&Spa3rd
  4. HASA4th
  5. Swimfree–
  6. Hy-Clor–
  7. Zodiac–
  8. BioGuard–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • HTH3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Clorox Pool&Spa3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • HASA2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Poolife2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Swimfree0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Hy-Clor0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Zodiac0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • BioGuard0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about pool chemical brands

5 answers

  • Asked ChatGPT

    “Which pool chemical brand should I buy?”

    1. 1Clorox Pool&Spa
    2. 2HTH
    3. 3HASA

  • Asked ChatGPT

    “What are the best pool chemical brands?”

    1. 1Poolife
    2. 2HASA
    3. 3HTH
    4. 4Clorox Pool&Spa

  • Asked ChatGPT

    “What's the best pool chemical brand for a backyard pool?”

    1. 1HTH
    2. 2Poolife
    3. 3Clorox Pool&Spa

  • Searched Google, AI Overview

    “swimming pool chemicals”

    1. Searched Google, AI Overview

      “pool shock treatment”

      Not named in any answer:

      Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.

      Is BioGuard or HASA more popular in search?

      This chart shows how often people search Google for BioGuard and HASA by name. Each line represents a brand's share of searches for all eight pool chemical brands we track, month by month, from English-language searches worldwide.

      BioGuard and HASA among pool chemical brands worldwide, by month

      Share of searches by month for HASA, BioGuard. The figures are in the table below the chart.

      View monthly share of searches table
      MonthHASASwimfreeHy-ClorZodiacHTHPoolifeBioGuardClorox Pool&Spa
      Oct 202587.9%5.1%3.4%2.3%0.46%0.46%0.3%0.09%
      Nov 202585.7%6.1%4%2.8%0.55%0.44%0.36%0.06%
      Dec 202586.8%5.1%5.1%1.8%0.37%0.37%0.46%0.09%
      Jan 202686.4%6.3%4.2%1.7%0.45%0.37%0.45%0.09%
      Feb 202685%7.6%4%2.1%0.55%0.36%0.36%0.08%
      Mar 202688.2%6.4%2.3%1.9%0.47%0.47%0.2%0.07%
      Apr 202685.6%7.6%2.2%2.8%0.67%0.67%0.29%0.09%
      May 202683.7%9.1%1.7%3.2%1%0.81%0.35%0.15%
      Jun 202677.4%12.6%1.9%4.6%1.7%1.1%0.4%0.27%
      Jul 202679.8%13.1%1.6%3.1%1.2%0.77%0.23%0.27%
      Aug 202684.2%9.2%2.2%2.7%0.66%0.66%0.15%0.19%
      Sep 202686.5%6.2%3.4%2.1%0.68%0.56%0.36%0.15%

      How has the BioGuard and HASA comparison changed over the last 12 months?

      3 findings
      • HASA was ahead of BioGuard in every measured month of the 12 months ending September 2026.
      • Across the 12 months ending September 2026, BioGuard’s share of searches among pool chemical brands worldwide moved from 0.3% to 0.36%, and its estimated monthly branded searches held steady at 170.
      • Across the 12 months ending September 2026, HASA’s share of searches among pool chemical brands worldwide moved from 87.9% to 86.5%, and its estimated monthly branded searches moved from 49.5K to 40.5K.

      How did search popularity change for pool chemical brands worldwide in September 2026?

      2 changes

      1. In September 2026, HASA gained share of searches among pool chemical brands worldwide, from 84.2% to 86.5%.

      2. In September 2026, BioGuard rose from 8th to 7th among pool chemical brands worldwide.

      How are branded searches counted?

      2 search terms

      Brandwave collects information about searches that people make online using BioGuard’s and HASA’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

      BioGuard

      1 branded search term

      • bioguard pool

      HASA

      1 branded search term

      • hasa

      How the Brand Demand Index is measured

      Other head-to-heads among pool chemical brands

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