53
co2 diffusor aquarium
Worth a lookShows beatable incumbent ratings (4.2★), but soft demand (-44.9% this quarter) keeps it on the watch list.
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Competition
Great36%top-5 click share — an open shelf
Brand share
Great56%top-5 brand share — no brand owns this niche
Review moat
Great447.65avg incumbent reviews — the moat a new listing must climb
Avg price
Great€15.66avg listing price — sweet spot $15–$100
Returns
Good2.5%return rate — above 5% kills the launch gate
Price range
Good€5.88–€141.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.6%search→purchase rate — share of searches ending in a sale
Market size
Bad€67K€67K/yr · 119K searches
Growth
Bad-44.9%90-day search growth — must beat 0% to launch