BioGuard vs Hy-Clor:Which is more popular?
In September 2026, BioGuard and Hy-Clor were level in searches among pool chemical brands in New Zealand, with an estimated 60 branded searches each, at 21.4% of the total each. When we asked ChatGPT and Google AI Overviews about pool chemical brands, BioGuard and Hy-Clor each appeared in three of the four answers. BioGuard was mentioned before Hy-Clor in every answer.
Who do people search for more?
BioGuard and Hy-Clor are searched for about as often as each other.
Who does AI mention more?
Both were mentioned in 3 of 4 answers.
Who does AI recommend more?
BioGuard, named ahead of Hy-Clor 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 and Hy-Clor were each mentioned in three out of four: in all three ChatGPT answers, but not in the Google AI Overview. BioGuard was listed before Hy-Clor 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 Hy-Clor more popular in search?
This chart shows how often people search Google for BioGuard and Hy-Clor 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 BioGuard, Hy-Clor. 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 Hy-Clor comparison changed over the last 12 months?
3 findings
- The lead changed hands once in the 12 months ending September 2026: BioGuard took it in April 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, Hy-Clor’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.
How did search popularity change for New Zealand pool chemical brands in September 2026?
2 changes
In September 2026, Hy-Clor gained share of searches among pool chemical brands in New Zealand, from 12.5% to 21.4%.
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 Hy-Clor’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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