grout colorant
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Conversion
Great10.3%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great$17.07avg listing price — sweet spot $15–$100
Price range
Good$8.74–$29.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good3.0%return rate — above 5% kills the launch gate
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Market size
Okay$153K$153K/yr · 87K searches
Growth
Okay+3.1%90-day search growth — must beat 0% to launch
Review moat
Bad5,976.35avg incumbent reviews — the moat a new listing must climb
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, grout colorant is a $153K/yr Amazon United States market (87K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Feb. Verdict: Skip it — 47/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
grout colorant market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- $137K–$171K
- units × avg price
- Conversion rate
- 10.3%
- Avg BSR
- #27
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 2.5%
- Avg brand age
- 76 months
- Avg seller age
- 146 days
Competition & brand share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
36
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
59%
Top 20: 94%
Open market
1%
- Rainbow Chalk Markers Limited80%
- Mapei10%
- TEC5%
- OOTDART1%
- YaoQiYou1%
- Floor-Fix Pro1%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +3.1% search growth over the last 90 days.Peak months: Feb · busiest ÷ quietest = 1.5×
Top grout colorant search terms
- grout colorant19K/yr
- black grout pen13K/yr
- grout pen grey12K/yr
- grout dye8K/yr
- grey grout pen7K/yr
- grout pen black9K/yr
- gray grout pen5K/yr
- grout pen light grey4K/yr
- light grey grout pen3K/yr
- black grout pen for tile5K/yr
Top grout colorant 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Grout Pen Grey Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen - Grey Narrow 5mm Tip (7mL)
Rainbow Chalk Markers Limited$8.794.2★6,323 rev

Grout Pen Black Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen - Black Narrow 5mm Tip (7mL)
Rainbow Chalk Markers Limited$8.904.2★6,514 rev

Grout Pen Black Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen - Narrow 5mm 2 Pack with Extra Tips (7mL) - Black
Rainbow Chalk Markers Limited$17.844.3★13,572 rev

Grout Pen Light Grey Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen - Light Grey Narrow 5mm Tip (7mL)
Rainbow Chalk Markers Limited$8.844.2★4,519 rev

Grout Pen Light Grey Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen - Light Grey Wide 15mm Tip (20mL)
Rainbow Chalk Markers Limited$11.664.2★1,363 rev
Newest
by launch date
Gray Grout Pen Tile Grout Paint Marker from Floor-Fix Pro | Waterproof Grout Colorant & Sealer Pen | Bathroom & Kitchen Tile Grout Whitener | Narrow 5mm Precision Tip | 2 Pack
Floor-Fix Pro$13.7275 rev

Grout Pen Black Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen - Black Narrow 5mm Tip (7mL) - 3 Pack
Rainbow Chalk Markers Limited$23.075,415 rev

Grout Pen Light Grey Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen - Light Grey Narrow 5mm Tip (7mL) - 3 Pack
Rainbow Chalk Markers Limited$22.925,415 rev

Grout Pen Grey Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen - Grey Narrow 5mm Tip (7mL) - 3 Pack
Rainbow Chalk Markers Limited$22.925,415 rev

OOTDART 5 Colors Matte Iron Oxide Pigment Powder Concrete dye Grout Colorant Color Dye for Cement Epoxy Stucco Plaster Mortar Paint CoatingBrown Blue Burgundy Green Black
OOTDART$29.6416 rev
Trending
90-day click momentum
TEC Grout Colorant - Refresh and Seal or Change Grout Joint Color | A Faster and Easier Alternative to Regrouting Tile | 8 oz. Application Covers up to 350 sq. ft. - 988 Pearl
TEC$25.083.8★

Gray Grout Pen Tile Grout Paint Marker from Floor-Fix Pro | Waterproof Grout Colorant & Sealer Pen | Bathroom & Kitchen Tile Grout Whitener | Narrow 5mm Precision Tip | 2 Pack
Floor-Fix Pro$13.723.6★

MAPEI UltraCare Grout Refresh Universal Grout Colorant & Sealer 8 oz Bottle Easy Grout Restoration & Protection 5047 Charcoal
Mapei$22.734.4★

OOTDART 5 Colors Matte Iron Oxide Pigment Powder Concrete dye Grout Colorant Color Dye for Cement Epoxy Stucco Plaster Mortar Paint CoatingBrown Blue Burgundy Green Black
OOTDART$29.644.6★

Grout Pen Grey Tile Paint Marker: Waterproof Grout Paint Tile Grout Colorant and Sealer Pen - Grey Narrow 5mm Tip (7mL) - 3 Pack
Rainbow Chalk Markers Limited$22.924.4★
What buyers say about grout colorant
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to apply”
“EXCELLENT PRODUCT”
“it does the job”
“As advertised”
“Color is good”
“giving a clean, consistent look”
“Worth the price”
“It looks durable”
“Looks brand new”
“It is quickdrying”
What buyers complain about
“Its not Gray”
“they barely worked”
“Runs out quickly”
“Very messy”
“Now the paint is thin and runny”
“Not a good value”
“Not the best purchase”
“Not easy to use”
“Misleading product”
“Not for use in wet areas”
Top return reasons
Common questions
- Is grout colorant profitable to sell on Amazon United States?
- The niche generates $153K/yr across 26 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.1%. Flapen's verdict: Skip it (47/100).
- How competitive is the grout colorant niche?
- 7 brands and 36 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in grout colorant?
- Top complaints mined from reviews: Color, Functionality-Overall, Durability. The return rate is 3.0%.
- When does demand for grout colorant peak?
- Demand peaks in Feb; the busiest month runs 1.5× the quietest.
- What does it cost to enter the grout colorant niche?
- Listings span $8.74–$29.64; the average listing price is $17.07 (sweet spot $15–$100). The average incumbent carries 5,976 reviews — the moat a new listing must climb.