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What's the best RO membrane?

A commercial recommendation prompt. We size how many people ask ChatGPT this from real search demand, then run it through ChatGPT to see which websites it recommends.

Est. people asking / mo
2.8K
CPC
$0.05
Total est. value / mo
$8
Common ways people ask this (12)
  • What's the best RO membrane for home water filtration?
  • What's the best RO membrane for high TDS water?
  • What's the best RO membrane for well water?
  • What's the best RO membrane for municipal water?
  • What's the best RO membrane for 50 GPD systems?
  • What's the best RO membrane for 75 GPD systems?
  • What's the best RO membrane for 100 GPD systems?
  • What's the best high-rejection RO membrane?
  • What's the best long-lasting RO membrane?
  • What's the best RO membrane for under-sink systems?
  • What's the best RO membrane for budget replacements?
  • What's the best RO membrane for reducing dissolved solids?

What ChatGPT actually answered

One of the 5 times we asked ChatGPT this, verbatim. The leaderboard below aggregates all 5 runs.

Websites ChatGPT recommends for this prompt

Aggregated across 5 runs (min 2/5 appearances). Estimated visits split the prompt's demand by rank. Sites matching the prompt's own brand are marked branded and excluded from the leaderboard.

RankWebsiteAppearsEst. visits / moEst. value / mo
1 dupont.com 5/5 56 $2
2 hydranautics.com 5/5 33 $1
3 lanxess.com 5/5 22 $1
4 pentair.com 5/5 15 $0
5 veoliawatertechnologies.com 4/5 11 $0
6 membranes.com 4/5 8 $0
7 suezwatertechnologies.com 4/5 6 $0
8 dow.com 3/5 5 $0
9 toraywater.com 2/5 4 $0
10 toray.com 2/5 3 $0
11 kochmembrane.com 2/5 2 $0
12 lgchem.com 2/5 2 $0
13 axeonwater.com 3/5 1 $0
14 kochseparation.com 2/5 1 $0
15 filmtec.com 4/5 1 $0
16 pureaqua.com 3/5 1 $0
17 pall.com 2/5 1 $0
18 puretecwater.com 2/5 0 $0
19 3m.com 3/5 0 $0
20 aquatech.com 2/5 0 $0
How is this estimated?

ChatGPT doesn't publish prompts, so we don't show logged conversations. We measure real demand for this topic from Google search volume, scale it to ChatGPT's user base (on average about 1 ChatGPT user for every 8 Google searchers, a ratio that varies by topic), and run the prompt through ChatGPT 5 times to record which websites it recommends and in what order. Estimated visits split that demand across the recommended sites by a click-through-by-rank curve. Every number is a modeled estimate, not measured analytics. Full methodology →