BioGuard vs Zodiac:Which is more popular?
In September 2026, Zodiac had more branded searches than BioGuard among pool chemical brands in New Zealand. Zodiac had about 160 branded searches, while BioGuard had 60. Zodiac made up 57.1% of all pool chemical brand searches we track, and BioGuard accounted for 21.4%. When we asked ChatGPT and Google AI Overviews about pool chemical brands, BioGuard appeared in three of the four answers and Zodiac in two. BioGuard was mentioned before Zodiac in every answer.
Who do people search for more?
Zodiac, about 3 searches for every 1 for BioGuard
Who does AI mention more?
BioGuard, mentioned in 3 of 4 answers, Zodiac in 2
Who does AI recommend more?
BioGuard, named ahead of Zodiac in every answer
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Top pool chemical brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, BioGuard was mentioned in three out of four: in all three ChatGPT answers, but not in the Google AI Overview. Zodiac was mentioned in two out of four: in two of the three ChatGPT answers, but not in the Google AI Overview. BioGuard was listed before Zodiac in every answer.
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.
See every answer about pool chemical brands
4 answers
Asked ChatGPT
“Which pool chemical brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best pool chemical brands in New Zealand?”
Asked ChatGPT
“What's the best pool chemical brand in New Zealand for a backyard pool?”
Searched Google, AI Overview
“pool chlorine nz”
Searched Google, AI Overview
“swimming pool chemicals”
Google showed no AI Overview for this search.
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is BioGuard or Zodiac more popular in search?
This chart shows how often people search Google for BioGuard and Zodiac by name. Each line represents a brand's share of searches for all four pool chemical brands we track, month by month, from searches in New Zealand.
Share of searches by month for Zodiac, BioGuard. The figures are in the table below the chart.
View monthly share of searches table
| Month | Zodiac | BioGuard | Hy-Clor | HTH |
|---|---|---|---|---|
| Oct 2025 | 59.5% | 19% | 19% | 2.4% |
| Nov 2025 | 55.6% | 18.5% | 22.2% | 3.7% |
| Dec 2025 | 47.1% | 15.7% | 35.3% | 2% |
| Jan 2026 | 52.2% | 13% | 32.6% | 2.2% |
| Feb 2026 | 54.3% | 17.1% | 22.9% | 5.7% |
| Mar 2026 | 55.6% | 22.2% | 22.2% | 0% |
| Apr 2026 | 42.1% | 31.6% | 21.1% | 5.3% |
| May 2026 | 37.5% | 37.5% | 18.8% | 6.3% |
| Jun 2026 | 37.5% | 31.3% | 25% | 6.3% |
| Jul 2026 | 35.3% | 41.2% | 17.6% | 5.9% |
| Aug 2026 | 50% | 33.3% | 12.5% | 4.2% |
| Sep 2026 | 57.1% | 21.4% | 21.4% | 0% |
How has the BioGuard and Zodiac comparison changed over the last 12 months?
3 findings
- The lead changed hands 2 times in the 12 months ending September 2026: BioGuard took it in July 2026, Zodiac took it in August 2026.
- Across the 12 months ending September 2026, BioGuard’s share of searches among pool chemical brands in New Zealand moved from 19% to 21.4%, and its estimated monthly branded searches moved from 80 to 60.
- Across the 12 months ending September 2026, Zodiac’s share of searches among pool chemical brands in New Zealand moved from 59.5% to 57.1%, and its estimated monthly branded searches moved from 250 to 160.
How did search popularity change for New Zealand pool chemical brands in September 2026?
2 changes
In September 2026, Zodiac gained share of searches among pool chemical brands in New Zealand, from 50% to 57.1%.
In September 2026, BioGuard lost share of searches among pool chemical brands in New Zealand, from 33.3% to 21.4%.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using BioGuard’s and Zodiac’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.
Other head-to-heads among pool chemical brands
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