compost starter
Skip it41/100a small market ($252K/yr) — compost starter doesn't clear our bar today.
Market/yr
$252K
Growth (1y)
+99.8%
Products
11
Brands
9
was 9 a year ago
Sellers
64
Price range
$10.76–$29.98
Returns
0.3%
Rating
4.4★
Skip it
Scored 41/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 104 weeks — +99.8% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 3.5×
Competition
- Roebic27%
- Jobe's Organics25%
- Bioverse14%
- Espoma8%
- Cabin Obsession7%
- TPS NUTRIENTS6%
- Other (3 brands)12%
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack. 9 brands and 64 sellers compete here.
Brands
9 flat
was 9 a year ago
Sellers
64
Top 5 brand share
82%
Product shelf
All 11 tracked products in this niche.
Roebic CA-1 Bacterial Compost Accelerator: 2.5 pounds for faster composting
Roebic
$12.164.4★1,636 reviews
Jobes Organics Fast Acting Granular Fertilizer Compost Starter Easy Plant Care Compost Accelerator 4 lbs Bag
Jobe's Organics
$15.604.5★9,488 reviews
Dr. Connies Compost Plus 100X Concentrated Starter & Accelerator | Natural Microbe Activator for Bins Tumblers & Piles | Odor Control Garden Waste Additive (Indoor & Outdoor)
Bioverse
$14.984.4★388 reviews
Compost Starter - 100x Concentrated All Natural Compost Accelerator for Countertop Kitchen Bin - Odor-Free Fast-Acting Microbial Formula - Approximately 73 Scoops
Cabin Obsession
$19.604.4★108 reviews
Compost Starter & Compost Accelerator Liquid Compost Booster for Faster Breakdown & Richer Compost 8 oz
TPS NUTRIENTS
$11.574.1★50 reviews
Convino: A Compost Starter/Accelerator Which Help to Reduce Kitchen Waste Odor and Convert Yard Waste to Fertile Humus for All Composting Systems. Comes in 1 Package That Contains 4 Packets Inside
Convino
$10.764.3★1,769 reviews
GREEN PIG Compost Accelerator Converts Yard Waste to Fertile Humus in 30 Days and Helps Control Odors Associated with Compost Piles 1 Bag (12 Dissolvable Packets)
GREEN PIG
$17.114.3★2,156 reviews
Espoma CS4 4 Lb Organic Compost Starter
Espoma
$18.444.3★11 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“It works”
“AS ADVERTISED”
“no unpleasant smell created”
“Good value and very effective starter”
“Excellent product”
“The garden should be great this year”
“Seems to be making my compost work quicker”
“Accelerator helps with material breakdown”
“Great for what it was designed”
“Gift well received”
What buyers complain about
“Does not work”
“I expected more for the price”
“No smell”
“the last two packages I bought made no difference to my compost”
“Every single batch of pre compost with this brand went bad”
“No more effective than shredding debris, then composting”
“I was surprised about how tiny the package is”
Top return reasons
- Advertised Vs Actual Product14%
- Smell13%
- Eco Friendliness12%
- Leak-Proof12%
- Size-Overall11%
- Functionality-Overall10%
- Value For Money10%
- Compatibility-Overall5%
- Defective Material/Parts2%
- Stretchability/Expandability/Elasticity1%