41
minerals for reverse osmosis water
Skip itA concentrated shelf (top 5 take 83% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$32.38avg listing price — sweet spot $15–$100
Price range
Incredible$19.48–$54.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good508.6avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.7%search→purchase rate — share of searches ending in a sale
Returns
Good2.8%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+2.0%90-day search growth — must beat 0% to launch
Market size
Okay$104K$104K/yr · 56K searches
Brand share
Bad94%top-5 brand share — brand-locked demand
Competition
Bad83%top-5 click share — a locked-up shelf