---
title: "Co2 Bags for Grow Tent — $167K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/co2-bags-for-grow-tent"
last_updated: "2026-08-10T01:46:29.134Z"
locale: en
meta:
  description: "Niche score 52/100 · $167K/yr market · 87K searches/yr. Brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · $167K/yr market · 87K searches/yr. Brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Co2 Bags for Grow Tent — $167K/yr Amazon US Niche (2026) - Flapen"
---

# **co2 bags for grow tent**

**Worth a look**

Shows low returns (0.7%), but brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list.

Market size 35Growth 11Conversion 60Competition 43Returns 96Price range 95Avg price 95Brand share 9Review moat 71Quality gap 87

**Returns**

**Incredible****0.7%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$37.46**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$18.19–$74.59**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Good****653.39**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****5.2%**

search→purchase rate — share of searches ending in a sale

**Competition**

**Okay****59%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****$167K**

$167K/yr · 87K searches

**Growth**

**Bad****-27.2%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****96%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, co2 bags for grow tent is a $167K/yr Amazon United States market (87K searches/yr). The top 5 brands hold 96% of demand. Verdict: Worth a look — 52/100.

Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **co2 bags for grow tent market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$150K–$187K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#494**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**44%**</dd>

<dt>**Sponsored**</dt><dd>**83%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**56 months**</dd>

<dt>**Avg seller age**</dt><dd>**182 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**7 **▲rising

**Sellers**

**24**

**Top-5 brand share**

**96%**

Top 20: 100%

**Top-5 click share**

**59%**

Top 20: 100%

**Open market**

**2%**

- Exhale60% - CO2BAG23% - Myco Labs5% - Nextera4% - TNB Naturals4% - + CONTROL GARDEN2% - Open — no brand owns it (1 brand, 2%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -27.2% search growth over the last 90 days.

3K2KSpike '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/co2-bags-for-grow-tent/trend)

## **Top co2 bags for grow tent search terms**

- **co2 bags for grow tent**22K/yr-27.1%6.4% conv. - **co2 for grow tent**16K/yr-33.1%2.2% conv. - **co2 bag**13K/yr-32.5%4.8% conv. - **exhale co2 bags**9K/yr-23.7%8.7% conv. - **co2 bags**8K/yr-10.1%4.1% conv. - **co2 for plants**9K/yr-24.2%2.0% conv. - **exhale co2 bags for grow tent**7K/yr-22.2%6.1% conv. - **co2 kit for grow room**3K/yr-45.8%0.6% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/co2-bags-for-grow-tent/search-terms)

## **Top co2 bags for grow tent 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.

0%10%$17K20%$33K30%$50K40%$67K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Exhale Homegrown CO2 365 - Self-Activated Bag for Grow Rooms & Tents - Great for Indoor Grow Rooms - 4 lbs](https://m.media-amazon.com/images/I/41K0VJYfwcL.jpg)**Exhale Homegrown CO2 365 - Self-Activated Bag for Grow Rooms & Tents - Great for Indoor Grow Rooms - 4 lbs**Exhale**$37.03**4.3★1,906 rev](https://www.amazon.com/dp/B010Y73DEI) [2![ExHale CO2 Original Grow Bag - Patented Mycelium Strain for Indoor Grow Rooms & Carbon Dioxide Enrichment - CO2 for Grow Tents - Boosts CO2 Production for 6 Months - 4 lbs. (1 Pack)](https://m.media-amazon.com/images/I/31lX04IFvjL.jpg)**ExHale CO2 Original Grow Bag - Patented Mycelium Strain for Indoor Grow Rooms & Carbon Dioxide Enrichment - CO2 for Grow Tents - Boosts CO2 Production for 6 Months - 4 lbs. (1 Pack)**Exhale**$32.80**4.1★2,356 rev](https://www.amazon.com/dp/B00546SAZC) [3![Exhale CO2 Micro Grow Bag - Patented Mycelium Strain for Small Indoor Grow Rooms & Carbon Dioxide Enrichment - CO2 for Grow Tents - Boosts CO2 Production for 3 Months - 2 lbs. (1 Pack)](https://m.media-amazon.com/images/I/316cNCbTv4L.jpg)**Exhale CO2 Micro Grow Bag - Patented Mycelium Strain for Small Indoor Grow Rooms & Carbon Dioxide Enrichment - CO2 for Grow Tents - Boosts CO2 Production for 3 Months - 2 lbs. (1 Pack)**Exhale**$27.21**3.8★525 rev](https://www.amazon.com/dp/B01DIAA7NS) [4![CO2BAG M - Natural CO2 Generator for Grow Tents Indoor Plants & Greenhouses | Boosts Growth Yield & Harvest Speed | Organic Hydroponic Supplement | Compact & Maintenance-Free (Medium 1-Pack)](https://m.media-amazon.com/images/I/31qCWop38ZL.jpg)**CO2BAG M - Natural CO2 Generator for Grow Tents Indoor Plants & Greenhouses | Boosts Growth Yield & Harvest Speed | Organic Hydroponic Supplement | Compact & Maintenance-Free (Medium 1-Pack)**CO2BAG**$19.89**4.0★667 rev](https://www.amazon.com/dp/B0BLCPDYC9) [5![CO2BAG M 2-Pack - Natural CO2 Generator for Grow Tents & Greenhouses | Value Bundle for Double Coverage | Boosts Plant Growth Yield & Harvest Speed | Organic Hydroponic Supplement | Maintenance-Free](https://m.media-amazon.com/images/I/41VEVAYMA7L.jpg)**CO2BAG M 2-Pack - Natural CO2 Generator for Grow Tents & Greenhouses | Value Bundle for Double Coverage | Boosts Plant Growth Yield & Harvest Speed | Organic Hydroponic Supplement | Maintenance-Free**CO2BAG**$34.97**4.0★667 rev](https://www.amazon.com/dp/B0D4YG4G9L)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Endure Ind 2 L Breathing Bag 3 Pack Synthetic Rubber Latex-Free Breathing Bags Matte Finish](https://m.media-amazon.com/images/I/319egYpJn1L.jpg)**Endure Ind 2 L Breathing Bag 3 Pack Synthetic Rubber Latex-Free Breathing Bags Matte Finish**Endure Industries**$19.66**3 rev4mo ago](https://www.amazon.com/dp/B0GRJFGJQ2) [![CO2 Bags for Grow Tent Greenhouse Accessories CO2 Generator for Plants Growth Tent and Supplies Indoor Growing Rooms 3.5 oz (100g)](https://m.media-amazon.com/images/I/31r0izs2kyL.jpg)**CO2 Bags for Grow Tent Greenhouse Accessories CO2 Generator for Plants Growth Tent and Supplies Indoor Growing Rooms 3.5 oz (100g)**Nextera**$18.19**2 rev6mo ago](https://www.amazon.com/dp/B0GG9KSBYD) [![ExHale CO2 Micro Grow Bag (2 Pack) - Patented Mycelium Strain for Small Indoor Grow Rooms & Carbon Dioxide Enrichment - CO2 for Grow Tents - Boosts CO2 Production for 3 Months - 2 lbs. Each](https://m.media-amazon.com/images/I/41WXVANr0TL.jpg)**ExHale CO2 Micro Grow Bag (2 Pack) - Patented Mycelium Strain for Small Indoor Grow Rooms & Carbon Dioxide Enrichment - CO2 for Grow Tents - Boosts CO2 Production for 3 Months - 2 lbs. Each**Exhale**$47.19**525 rev1y ago](https://www.amazon.com/dp/B0FB4B4HWH) [![+ control GARDEN Box with CO2 Bag for Indoor Growing | Bag of CO2 for Cultivers | Grow Plants Easily | 100% Organic](https://m.media-amazon.com/images/I/41BEsFBSJ1L.jpg)**+ control GARDEN Box with CO2 Bag for Indoor Growing | Bag of CO2 for Cultivers | Grow Plants Easily | 100% Organic**+ CONTROL GARDEN**$18.86**31 rev1y ago](https://www.amazon.com/dp/B0DXVSNH7K) [![CO2BAG XL - High-Capacity Natural CO2 Generator for Large Grow Rooms & Greenhouses | Maximum Growth & Pro-Grade Yields | Extra Large Organic Hydroponic Supplement | Maintenance-Free (XL 1-Pack)](https://m.media-amazon.com/images/I/31J5YzQ65HL.jpg)**CO2BAG XL - High-Capacity Natural CO2 Generator for Large Grow Rooms & Greenhouses | Maximum Growth & Pro-Grade Yields | Extra Large Organic Hydroponic Supplement | Maintenance-Free (XL 1-Pack)**CO2BAG**$24.98**102 rev1y ago](https://www.amazon.com/dp/B0DPGLHWNB)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![CO2 Bags for Grow Tent Greenhouse Accessories CO2 Generator for Plants Growth Tent and Supplies Indoor Growing Rooms 3.5 oz (100g)](https://m.media-amazon.com/images/I/31r0izs2kyL.jpg)**CO2 Bags for Grow Tent Greenhouse Accessories CO2 Generator for Plants Growth Tent and Supplies Indoor Growing Rooms 3.5 oz (100g)**Nextera**$18.19**4.0★**▲ 454%**](https://www.amazon.com/dp/B0GG9KSBYD) [![Endure Ind 2 L Breathing Bag 3 Pack Synthetic Rubber Latex-Free Breathing Bags Matte Finish](https://m.media-amazon.com/images/I/319egYpJn1L.jpg)**Endure Ind 2 L Breathing Bag 3 Pack Synthetic Rubber Latex-Free Breathing Bags Matte Finish**Endure Industries**$19.66**4.6★**▲ 447%**](https://www.amazon.com/dp/B0GRJFGJQ2) [![Exhale Homegrown CO2 365 - Self-Activated Bag for Grow Rooms & Tents - Great for Indoor Grow Rooms - CO2 for Grow Tents - 4 lbs](https://m.media-amazon.com/images/I/313FLEHx4yL.jpg)**Exhale Homegrown CO2 365 - Self-Activated Bag for Grow Rooms & Tents - Great for Indoor Grow Rooms - CO2 for Grow Tents - 4 lbs**Exhale**$34.71**4.4★**▲ 151%**](https://www.amazon.com/dp/B01D1YA90M) [![ExHale Homegrown CO2 365 - Self-Activated Bags for Grow Rooms & Tents - Great for Indoor Grow Rooms - CO2 for Grow Tents - 4lbs. (2 Pack)](https://m.media-amazon.com/images/I/41I-32Y-I+L.jpg)**ExHale Homegrown CO2 365 - Self-Activated Bags for Grow Rooms & Tents - Great for Indoor Grow Rooms - CO2 for Grow Tents - 4lbs. (2 Pack)**Exhale**$64.89**4.4★**▲ 129%**](https://www.amazon.com/dp/B0FB47274K) [![Exhale Homegrown CO2 XL 365 - Self-Activated CO2 Bags for Indoor Grow Rooms & Grow Tents - Foliage Mushroom Bags (1 Pack)](https://m.media-amazon.com/images/I/41oNdsW8YrL.jpg)**Exhale Homegrown CO2 XL 365 - Self-Activated CO2 Bags for Indoor Grow Rooms & Grow Tents - Foliage Mushroom Bags (1 Pack)**Exhale**$67.22**4.7★**▲ 122%**](https://www.amazon.com/dp/B0DXWMW53Q)

**~~View all trending →~~**

## **What buyers say about co2 bags for grow tent**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Plant Growth**27%

*“Plant seem happy”*

**Quality-Overall**18%

*“Good product as advertised”*

**Advertised Vs Actual Product**14%

*“As described”*

**Value For Money**9%

*“Much cheaper in the long run and oh, it actually works”*

**Functionality-Overall**7%

*“Working like a charm”*

**Durability**5%

*“Lasted longer than expected grateful for soil”*

**Strength**4%

*“still going strong”*

**Assembly/Installation**2%

*“Easy to set up grows quickly”*

**Instructions/User Manual/Troubleshooting**2%

*“I followed instructions exactly”*

**Ease Of Use**2%

*“Even more importantly, its completely hands-off”*

### **What buyers complain about **

**Functionality-Overall**17%

*“Did not work”*

**Value For Money**15%

*“Not a great value”*

**Quality-Overall**9%

*“Garbage don't purchase”*

**Measurement/Reading Accuracy**9%

*“Seemed to have little effect on the monitored levels”*

**Size-Overall**9%

*“I can say they're bigger now so maybe”*

**Instructions/User Manual/Troubleshooting**4%

*“Did not do what it was supposed to do”*

**Leak-Proof**4%

*“This bag leaked all over my floor”*

**Contamination**4%

*“I bought 2, 1 was contaminated and produced green mold the other produced normal white, healthy mycellium”*

**Durability**4%

*“goes out after around 2 months”*

**Advertised Vs Actual Product**4%

*“The bag that I ordered had no Mycelium, just what appeared to be a few specks of it”*

### **Top return reasons **

**Leak-Proof**21%

**Functionality-Overall**15%

**Contamination**15%

**Product Condition**13%

**Smell**7%

**Advertised Vs Actual Product**7%

**Defective Material/Parts**4%

**Color**4%

**Size-Overall**4%

**Moist/Dry**4%

## **Common questions**

<dl>

<dt>**Is co2 bags for grow tent profitable to sell on Amazon United States?**</dt><dd>The niche generates $167K/yr across 18 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -27.2%. Flapen's verdict: Worth a look (52/100).</dd>

<dt>**How competitive is the co2 bags for grow tent niche?**</dt><dd>7 brands and 24 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 96% of demand.</dd>

<dt>**What do buyers complain about in co2 bags for grow tent?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Value For Money, Quality-Overall. The return rate is 0.7%.</dd>

<dt>**When does demand for co2 bags for grow tent peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.3× the quietest.</dd>

<dt>**What does it cost to enter the co2 bags for grow tent niche?**</dt><dd>Listings span $18.19–$74.59; the average listing price is $37.46 (sweet spot $15–$100). The average incumbent carries 653 reviews — the moat a new listing must climb.</dd>

</dl>

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