black diamond grout cleaner
Skip itA small market ($64K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Avg price
Good$14.31avg listing price — sweet spot $15–$100
Conversion
Good5.8%search→purchase rate — share of searches ending in a sale
Price range
Good$4.43–$29.36cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Review moat
Bad8,581.53avg incumbent reviews — the moat a new listing must climb
Market size
Bad$64K$64K/yr · 78K searches
Growth
Bad-18.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, black diamond grout cleaner is a $64K/yr Amazon United States market (78K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 42/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
black diamond grout cleaner market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $43K–$57K
- units × avg price
- Conversion rate
- 5.8%
- Avg BSR
- #77
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 76%
- Out of stock
- 0.0%
- Avg brand age
- 64 months
- Avg seller age
- 160 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
124
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
10%
- Black Diamond Stoneworks32%
- Zep29%
- Bona13%
- AuraClean8%
- Goo Gone4%
- Stardrops4%
- Open — no brand owns it (6 brands, 10%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -18.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top black diamond grout cleaner search terms
- ceramic tile floor cleaner12K/yr
- porcelain tile cleaner15K/yr
- ceramic tile cleaner12K/yr
- porcelain floor cleaner6K/yr
- porcelain tile floor cleaner3K/yr
- best cleaner for ceramic tile floors3K/yr
- tile cleaning solution3K/yr
- ceramic floor tile cleaner3K/yr
- best floor cleaner for ceramic tile2K/yr
- best floor tile cleaner6K/yr
Top black diamond grout cleaner products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Zep Luxury Vinyl Ceramic and Porcelain Floor Cleaner - 64 oz. ZULVCP64 Safe for Grout Pro Formula
Zep$9.164.6★558 rev
Black Diamond Stoneworks MARBLE & TILE FLOOR CLEANER. Great for Ceramic Porcelain Granite Natural Stone Vinyl and Brick. No-rinse Concentrate.(1-Gallon)
Black Diamond Stoneworks$29.364.3★5,915 rev
Black Diamond Stoneworks Marble & Tile Floor Cleaner Concentrate pH Neutral Streak-Free & No-Rinse Formula for Granite Travertine Limestone Slate Ceramic & Porcelain Floors (1 Quart)
Black Diamond Stoneworks$14.854.3★5,915 rev
AuraClean Porcelain & Ceramic Tile Floor Cleaner - Mop Soap Concentrate for mopping - Streak-Free Clean Ph Neutral and non-Toxic - Safe for Marble Travertine Limestone - 32 fl oz (1-qt)
AuraClean$17.754.4★133 rev
Zep Neutral PH Industrial Floor Cleaner - 1 Gallon - ZUNEUT128 - Concentrated Pro Trusted All-Purpose Floor Cleaner
Zep$13.254.6★7,792 rev
Newest
by launch dateAuraClean Porcelain & Ceramic Tile Floor Cleaner - Mop Soap Concentrate for mopping - Streak-Free Clean Ph Neutral and non-Toxic - Safe for Marble Travertine Limestone - 32 fl oz (1-qt)
AuraClean$17.75133 rev
Mr. Clean 2X Concentrated Multi Surface Cleaner with Unstopables Fresh Scent 41 fl oz
Mr. Clean$5.479,251 rev
Zep Luxury Vinyl Ceramic and Porcelain Floor Cleaner - 64 oz. ZULVCP64 Safe for Grout Pro Formula
Zep$9.16558 rev
Stardrops - The Pink Stuff - The Miracle All Purpose Floor Cleaner 33.8fl oz
Stardrops$6.929,384 rev
Bona Multi-Surface Floor Cleaner Refill - 128 fl oz - Lemon Mint - Residue-Free Floor Cleaning Solution refill for Spray Mop and Spray Bottles - For Use on Stone Tile Laminate and Vinyl Floors
Bona$19.2329,452 rev
Trending
90-day click momentumBona Multi-Surface Floor Cleaner Refill - 128 fl oz - Lemon Mint - Residue-Free Floor Cleaning Solution refill for Spray Mop and Spray Bottles - For Use on Stone Tile Laminate and Vinyl Floors
Bona$19.234.7★
Black Diamond Stoneworks Marble & Tile Floor Cleaner Concentrate pH Neutral Streak-Free & No-Rinse Formula for Granite Travertine Limestone Slate Ceramic & Porcelain Floors (1 Quart)
Black Diamond Stoneworks$14.854.3★
Bona Multi-Surface Floor Cleaner Spray - 32 fl oz - Unscented - Refillable - Residue-Free Floor Cleaning Solution for Stone Tile Laminate and Vinyl Floors
Bona$8.824.7★
Stardrops - The Pink Stuff - The Miracle All Purpose Floor Cleaner 33.8fl oz
Stardrops$6.924.5★
Zep Luxury Vinyl Ceramic and Porcelain Floor Cleaner - 64 oz. ZULVCP64 Safe for Grout Pro Formula
Zep$9.164.6★
What buyers say about black diamond grout cleaner
What buyers praise and complain about, mined from review topics.What buyers love
“Cleans great”
“Awesome smell”
“Quality of toys product is amazing”
“Very effective”
“Great price”
“Easy to use”
“great shine”
“it cleans very well”
“as advertised”
“Pink is great”
What buyers complain about
“smell too strong”
“very difficult to clean”
“Doesn't work well”
“a bit overpriced”
“Leaked through box”
“Misleading advertisement for this product”
“Sticky floors”
“the grout was dark brown”
“the tile grout is not truly brighten or back to its original color”
“did not really pick up tough stains”
Top return reasons
Common questions
- Is black diamond grout cleaner profitable to sell on Amazon United States?
- The niche generates $64K/yr across 17 tracked products. 90-day search growth is -18.4%. Flapen's verdict: Skip it (42/100).
- How competitive is the black diamond grout cleaner niche?
- 12 brands and 124 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in black diamond grout cleaner?
- Top complaints mined from reviews: Smell, Ease Of Cleaning, Functionality-Overall. The return rate is 0.3%.
- When does demand for black diamond grout cleaner peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the black diamond grout cleaner niche?
- Listings span $4.43–$29.36; the average listing price is $14.31 (sweet spot $15–$100). The average incumbent carries 8,582 reviews — the moat a new listing must climb.