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aquarium co2 system
Worth a lookShows a sweet-spot price point ($58.40 avg), but soft demand (-17.7% this quarter) keeps it on the watch list.
Avg price
Great$58.40avg listing price — sweet spot $15–$100
Returns
Great1.4%return rate — above 6% kills the launch gate
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Review moat
Good707.09avg incumbent reviews — the moat a new listing must climb
Price range
Good$10.09–$158.05cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$300K$300K/yr · 284K searches
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Growth
Bad-17.7%90-day search growth — must beat 0% to launch