Brandwave

Fluval vs Ultum Nature Systems:Which is more popular?

In September 2026, Fluval had more branded searches than Ultum Nature Systems among aquarium brands worldwide. Fluval had about 40,800 branded searches, while Ultum Nature Systems had 6,800. Fluval made up 30.7% of all aquarium brand searches we track, and Ultum Nature Systems accounted for 5.1%. When we asked ChatGPT and Google AI Overviews about aquarium brands, Fluval and Ultum Nature Systems each appeared in four of the five answers. Fluval was mentioned before Ultum Nature Systems in three out of four answers that named either.

Among aquarium brands worldwide in September 2026

Who do people search for more?

Fluval, about 6 searches for every 1 for Ultum Nature Systems

Fluval 40.8K searchesUltum Nature Systems 6.8K searches

Who does AI mention more?

Both were mentioned in 4 of 5 answers.

Fluval in 4 of 5Ultum Nature Systems in 4 of 5

Who does AI recommend more?

Fluval, named ahead of Ultum Nature Systems in 3 of 4 answers

Fluval first in 3Ultum Nature Systems first in 1

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Top aquarium brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Fluval and Ultum Nature Systems were each mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Fluval was listed before Ultum Nature Systems in three out of four answers that named either.

Most recommended by AI

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

  1. Fluval1st
  2. Waterbox Aquariums2nd
  3. Ultum Nature Systems3rd
  4. Aqueon4th
  5. Innovative Marine5th
  6. Red Sea6th
  7. Seachem7th
  8. Eheim8th
  9. Tetra9th
  10. Zoo Med–
  11. +1 more

Mentioned by AI

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

  • Fluval4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Ultum Nature Systems4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Waterbox Aquariums4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Aqueon4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Red Sea3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Innovative Marine3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Eheim1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Seachem1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Tetra1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Zoo Med0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+1 more

See every answer about aquarium brands

5 answers

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 20, 2026.

Is Fluval or Ultum Nature Systems more popular in search?

This chart shows how often people search Google for Fluval and Ultum Nature Systems by name. Each line represents a brand's share of searches for all 11 aquarium brands we track, month by month, from English-language searches worldwide.

Fluval and Ultum Nature Systems among aquarium brands worldwide, by month

Share of searches by month for Fluval, Ultum Nature Systems. The figures are in the table below the chart.

View monthly share of searches table
MonthFluvalZoo MedEheimRed SeaSeachemUltum Nature SystemsAqua OneInnovative MarineWaterbox AquariumsTetraAqueon
Oct 202531.2%14.2%14.7%7.7%7.7%3.5%3.5%4.2%5.2%4.7%3.5%
Nov 202531.5%11%16%7.4%7.4%3.4%3.3%4.9%6%5.8%3.3%
Dec 202532.1%11.2%16.3%7.5%7.5%3.4%4.1%5%5%4.5%3.3%
Jan 202632.7%11.8%14.9%7.9%6.4%3.6%3.5%4.3%5.3%6.2%3.5%
Feb 202632.7%11.5%14.5%7.7%7.7%4.3%3.4%5.1%5.1%4.6%3.4%
Mar 202631.9%11.9%14%7.9%7.9%4.1%4.3%4.3%5.3%4.8%3.5%
Apr 202629.9%13.1%12.7%7.2%8.8%4.6%4.8%4.8%5.9%4.4%3.9%
May 202629.8%13.2%12.8%7.2%8.8%5%3.9%4.8%5.9%4.6%3.9%
Jun 202631.9%14.5%11.5%6.5%7.9%4.4%4.3%4.3%5.3%5.8%3.5%
Jul 202630.3%13.8%10.9%7.5%7.5%4.2%4.1%5%5%7.6%4.1%
Aug 202629.9%12.8%13.2%7%8.5%4.8%4.7%4.7%4.7%6%3.8%
Sep 202630.7%13.6%13.2%7.5%7.5%5.1%5%5%5%4.1%3.3%

How has the Fluval and Ultum Nature Systems comparison changed over the last 12 months?

3 findings
  • Fluval was ahead of Ultum Nature Systems in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Fluval’s share of searches among aquarium brands worldwide moved from 31.2% to 30.7%, and its estimated monthly branded searches moved from 48.7K to 40.8K.
  • Across the 12 months ending September 2026, Ultum Nature Systems’ share of searches among aquarium brands worldwide moved from 3.5% to 5.1%, and its estimated monthly branded searches moved from 5.5K to 6.8K.

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

2 changes
  1. In September 2026, Fluval gained share of searches among aquarium brands worldwide, from 29.9% to 30.7%.

  2. In September 2026, Ultum Nature Systems rose from 7th to 6th among aquarium brands worldwide.

How are branded searches counted?

6 search terms

Brandwave collects information about searches that people make online using Fluval’s and Ultum Nature Systems’ 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.

Fluval

4 branded search terms

  • fluval
  • fluval aquarium
  • fluval aquarium filters
  • fluval fish tank

Ultum Nature Systems

2 branded search terms

  • ultum nature systems
  • uns aquarium

How the Brand Demand Index is measured

Other head-to-heads among aquarium brands

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