How popular isHASA?
In September 2026, people searched for HASA by name about 40,500 times worldwide, an 18.2% decrease from the previous year. These searches made up 86.5% of all global pool chemical brand searches, placing HASA first out of eight brands. When we asked both ChatGPT and Google AI Overviews about pool chemical brands, HASA appeared in two of the five answers and was the fourth most recommended of the eight.
HASA is the most searched of 8 competitors and the fourth most recommended in AI answers.
- HASAShare of searches 86.5%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th
- SwimfreeShare of searches 6.2%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
Hy-ClorShare of searches 3.4%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
ZodiacShare of searches 2.1%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
HTHShare of searches 0.68%Mentioned in 3 of 5 AI answersPlace in AI recommendations 1st
Follow HASA and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
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. HASA is the fourth most recommended of the eight.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
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?”
Asked ChatGPT
“What are the best pool chemical brands?”
Asked ChatGPT
“What's the best pool chemical brand for a backyard pool?”
Searched Google, AI Overview
“swimming pool chemicals”
Searched Google, AI Overview
“pool shock treatment”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Which pool chemical brands compete with HASA?
Share of searches by month for HASA, Swimfree, Hy-Clor, Zodiac. The figures are in the table below the chart.
View monthly share of searches table
| Month | HASA | Swimfree | Hy-Clor | Zodiac | HTH | Poolife | BioGuard | Clorox Pool&Spa |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 87.9% | 5.1% | 3.4% | 2.3% | 0.46% | 0.46% | 0.3% | 0.09% |
| Nov 2025 | 85.7% | 6.1% | 4% | 2.8% | 0.55% | 0.44% | 0.36% | 0.06% |
| Dec 2025 | 86.8% | 5.1% | 5.1% | 1.8% | 0.37% | 0.37% | 0.46% | 0.09% |
| Jan 2026 | 86.4% | 6.3% | 4.2% | 1.7% | 0.45% | 0.37% | 0.45% | 0.09% |
| Feb 2026 | 85% | 7.6% | 4% | 2.1% | 0.55% | 0.36% | 0.36% | 0.08% |
| Mar 2026 | 88.2% | 6.4% | 2.3% | 1.9% | 0.47% | 0.47% | 0.2% | 0.07% |
| Apr 2026 | 85.6% | 7.6% | 2.2% | 2.8% | 0.67% | 0.67% | 0.29% | 0.09% |
| May 2026 | 83.7% | 9.1% | 1.7% | 3.2% | 1% | 0.81% | 0.35% | 0.15% |
| Jun 2026 | 77.4% | 12.6% | 1.9% | 4.6% | 1.7% | 1.1% | 0.4% | 0.27% |
| Jul 2026 | 79.8% | 13.1% | 1.6% | 3.1% | 1.2% | 0.77% | 0.23% | 0.27% |
| Aug 2026 | 84.2% | 9.2% | 2.2% | 2.7% | 0.66% | 0.66% | 0.15% | 0.19% |
| Sep 2026 | 86.5% | 6.2% | 3.4% | 2.1% | 0.68% | 0.56% | 0.36% | 0.15% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 86.5% | 40.5K | -18.2% | +2.3 points | |
| 2, held 2nd | 6.2% | 2.9K | -46.3% | -3 points | |
| 3, moved from 4th to 3rd | 3.4% | 1.6K | +23.1% | +1.2 pointsmoved from 4th to 3rd | |
| 4, moved from 3rd to 4th | 2.1% | 1K | -37.5% | -0.6 pointsmoved from 3rd to 4th | |
| 5, held 5th | 0.68% | 320 | -17.9% | 0 points | |
| 6, held 6th | 0.56% | 260 | -33.3% | -0.1 points | |
| 7, moved from 8th to 7th | 0.36% | 170 | +88.9% | +0.2 pointsmoved from 8th to 7th | |
| 8, moved from 7th to 8th | 0.15% | 70 | -36.4% | 0 pointsmoved from 7th to 8th |
1.HASA
86.5%
Held 1st. 40.5K estimated branded searches, -18.2% vs prior month. Share +2.3 points.
2.Swimfree
6.2%
Held 2nd. 2.9K estimated branded searches, -46.3% vs prior month. Share -3 points.
3.
Hy-Clor3.4%
Moved from 4th to 3rd. 1.6K estimated branded searches, +23.1% vs prior month. Share +1.2 points.
4.
Zodiac2.1%
Moved from 3rd to 4th. 1K estimated branded searches, -37.5% vs prior month. Share -0.6 points.
5.
HTH0.68%
Held 5th. 320 estimated branded searches, -17.9% vs prior month. Share 0 points.
6.
Poolife0.56%
Held 6th. 260 estimated branded searches, -33.3% vs prior month. Share -0.1 points.
7.
BioGuard0.36%
Moved from 8th to 7th. 170 estimated branded searches, +88.9% vs prior month. Share +0.2 points.
0.15%
Moved from 7th to 8th. 70 estimated branded searches, -36.4% vs prior month. Share 0 points.
Compare popularity between HASA and its closest rivals
Every comparison with HASA
7 comparisons
How has branded search demand for HASA changed worldwide over the last 12 months?
3 findings
- Across the 12 months ending September 2026, estimated monthly branded searches for HASA worldwide fell from 49.5K to 40.5K.
- Across the 12 months ending September 2026, HASA’s share of searches among pool chemical brands worldwide decreased from 87.9% to 86.5%.
- Across the 12 months ending September 2026, HASA’s share of searches among pool chemical brands worldwide peaked at 88.2% in March 2026 and was lowest at 77.4% in June 2026.
How did search popularity change for pool chemical brands worldwide in September 2026?
6 changes

In September 2026, Hy-Clor overtook Zodiac to rank 3rd among pool chemical brands worldwide, with 3.4% of the searches.
In September 2026, HASA gained share of searches among pool chemical brands worldwide, from 84.2% to 86.5%.
In September 2026, Swimfree lost share of searches among pool chemical brands worldwide, from 9.2% to 6.2%.

In September 2026, Zodiac lost share of searches among pool chemical brands worldwide, from 2.7% to 2.1%.

Poolife’s share of searches among pool chemical brands worldwide has lost ground for 3 months in a row, from 1.1% to 0.56% in September 2026.

In September 2026, BioGuard rose from 8th to 7th among pool chemical brands worldwide.
How are HASA’s branded searches counted?
1 search term
Brandwave collects information about searches that people make online using HASA’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.
- hasa
Do you work for HASA? To request corrections or removal please contact us via our support page and we will be happy to assist.

Is HASA your brand?
Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.