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Updated: 18 Jul 2025

Top 10 Compost Starters

#1
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Compost-It Compost Accelerator/Starter 100g Spout Pack for All Composting Systems, (100% Natural Concentrate)

Brand: Biomaster
$20.95
⭐ 4.1
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    Starter and accelerator to create nutrient-rich compost in just 4 weeks
  • Suitable for all composting systems and worm farms
  • Over 60 different active ingredients, fast, effective and easy to use
  • Reduces unpleasant and unhealthy odors, perfect for kitchen scrap bins
  • Chemical and poison free - safe and natural activator, booster and enhancer
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#2
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Dr. Connie’s Compost Plus 100x Concentrated Natural Compost Accelerator | Fast-Acting Microbe Blend for Indoor & Outdoor Bins, Tumblers, and Piles | Odour Control & Rapid Decomposition

Brand: Bioverse
$14.00
⭐ 4.1
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    RAPID DECOMPOSITION: Accelerates the breakdown of organic waste into nutrient-rich compost, promoting healthier soil.
  • HIGHLY CONCENTRATED FORMULA: 100x more concentrated than leading compost starters, ensuring efficient composting.
  • VERSATILE APPLICATION: Suitable for use in compost bins, piles, or tumblers, both indoors and outdoors.
  • ODOUR REDUCTION: Naturally minimizes unpleasant smells associated with composting, making it ideal for kitchen scraps.
  • ECO-FRIENDLY: Made with all-natural ingredients, safe for gardens and the environment.
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#3
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Jobe’s Organics Compost Starter 4-4-2 Organic Gardening Compost Accelerator, tyYmjF 2Pack (4 pound bag)

Brand: Jobe's Organics
$28.69 ($0.22 / Ounc
⭐ 4.1
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    No features listed
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#4
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Espoma CS4 4 Lb Organic Compost Starter

Brand: Espoma
$16.77
⭐ 4.4
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    No features listed
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#5
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DistiKem(TM) Jobes 09926 Organic Compost Starter 4-Pound Bag

Brand: DistiKem
$12.30 ($0.19 / Ounc
⭐ 4.4
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    No features listed
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#6
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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

Brand: Convino
No Price
⭐ 4.1
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    STOPS ODORS: Unlike most products that only mask odors, our natural Kitchen Deodorizer reduces odors at the source, making composting convenient and easy to manage. Convino removes unpleasant odors from your kitchen and outdoor compost with the power of billions of beneficial soil microorganisms and essential oils
  • STARTS AND ACCELERATES COMPOSTING: Starts and Accelerates the composting process so your food and garden waste doesn’t rot and begin to smell
  • ENHANCES PLANT GROWTH: Convino compost enhances plant growth, nutrient availability and uptake with the power of soil organisms
  • INDOOR / OUTDOOR: Convino works with all types of composters such as kitchen bins, tumblers, worm composters, buckets, and compost bags. One package of Convino treats up to 100 lbs of waste which will last up to a month.
  • CONTAINS ESSENTIAL OILS FOR A FOREST SMELL: Contains essential oils for a pleasant earthy smell indoors for a cleaner compost container
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#7
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TPS NUTRIENTS Compost Starter and Accelerator, Fast Acting Organic Concentrated Liquid Probiotics for Home Compost Pile 8 oz (250mL)

Brand: TPS NUTRIENTS
$11.99 ($1.50 / Fl O
⭐ 4.1
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    Accelerates the decomposition process of compost, speeding up the production of nutrient-rich soil amendments.
  • Contains a blend of beneficial microorganisms and organic matter to kickstart microbial activity in compost piles.
  • Liquid form ensures easy application and thorough distribution throughout the compost pile, optimizing composting efficiency.
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#8
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Jobe’s Organics Compost Starter 4-4-2 Organic Gardening Compost Accelerator, CGczwq 3Pack (4 pound bag)

Brand: Jobe's Organics
$43.55 ($0.23 / Ounc
⭐ 4.7
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    Pack of 3 bags: Jobe's 4 lb. 4-4-2 Organic Compost Starter
  • It helps to break down organic matter faster, leading to better soil for plants.
  • Made with bone meal, and feather meal to speed up the composting process and improve the quality of the compost
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#9
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Jobe's Organics Fast Acting Granular Fertilizer Compost Starter, Easy Plant Care Compost Accelerator, 4 lbs Bag

Brand: Jobe's Organics
$17.41 ($0.27 / Ounc
⭐ 4.2
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    Organic compost starter speeds up the composting process and is ideal for outdoor compost piles
  • Compost accelerator is formulated with a 4-4-2 NPK to provide vegetables, plants, and flowers nutrients they need for a high yield and vibrant foliage
  • Jobe's organic compost starter contains no synthetic chemicals and is OMRI listed for organic gardening by the USDA
  • Compost starter is easily applied and should be used every 4-6 weeks or as needed
  • Jobe's Organics provides a wide variety of plant fertilizer and soil amendments to give gardens the right amount of nutrients without over fertilizing
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