61
fish tank cleaner
Worth a lookShows beatable incumbent ratings (3.9★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Returns
Great1.3%return rate — above 5% kills the launch gate
Brand share
Great57%top-5 brand share — no brand owns this niche
Conversion
Good6.2%search→purchase rate — share of searches ending in a sale
Avg price
Good£13.83avg listing price — sweet spot $15–$100
Price range
Good£3.40–£33.09cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good£450K£450K/yr · 521K searches
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,198.9avg incumbent reviews — the moat a new listing must climb
Growth
Bad-19.3%90-day search growth — must beat 0% to launch
Signals Quality Gap