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Empire 24oz CO2 Tank
More product info
From Kidde
This report was last updated 2/11/2020.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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Report Card
Pass Overall Grade
FAIL
Suspicious Reviewers
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FAIL
Overlapping Review History
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WARN
Deleted Reviews
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PASS
Rating Trend
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PASS
Unverified Purchases
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PASS
Word Count Comparison
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PASS
Phrase Repetition
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PASS
Reviewer Participation
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PASS
Reviewer Ease
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PASS
Brand Repeats
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PASS
Incentivized Reviews
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Most Trusted Reviews
This tank works perfect for 1 gallon homebrewers who want ... [Go to full review]
Mar 13, 2019
100%
TRUST
TRUST
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Verified Purchaser
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Take-Back Reviewer (1 deleted Review; avg. rating: 4.0)
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Critical Reviewer (avg. rating: 4.2)
Least Trusted Reviews
In case it's not perfectly clear, this product has a ... [Go to full review]
Aug 12, 2016
0%
TRUST
TRUST
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Verified Purchaser
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Take-Back Reviewer (2 deleted Reviews; avg. rating: 3.0)
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Overlapping Review History: reviewed 1 of 9 top products
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Critical Reviewer (avg. rating: 3.6)
Analysis Details
Fail
Suspicious Reviewers
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One-Hit Wonders
15 of the 400 reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 2.5 while the reviewers who have posted more than one review have rated this product an average of 4.0. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
Take-Back Reviewers
165 of the 400 reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 4.3 while the reviewers who don't have any deleted reviews in their history have rated this product an average of 3.6. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
Fail
Overlapping Review History
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Reviewers of this product have ALSO reviewed the following products:
7% also reviewed:
Sellution CO2 Tank Paintball Canister Refill... by Sellution Components
6% also reviewed:
NISPIRA CO2 Conversion Adapter for Soda Machine... by Nispira
4% also reviewed:
AQUATEK CO2 Regulator Mini by AQUATEK OF CALIFORNIA
3% also reviewed:
SodaMod Soda-Club CO2 Adapter by Sodamod
2% also reviewed:
Empire 20oz CO2 Tank by Pure Energy
2% also reviewed:
Fluval Ceramic 88g-CO2 Diffuser - 3.1 Ounces by Fluval
2% also reviewed:
Sodastream Dynamo LX Home Soda Maker Deluxe Mega... by SodaStream
2% also reviewed:
SodaStream Jet Sparkling Water Maker, Carbonator... by SodaStream
Does not include products
from the same brand
from the same brand
99 of the 400 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.6 while the reviewers who have a more unique product review history rated this product an average of 3.7. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
Warn
Deleted Reviews
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We discovered a total of 3 deleted Reviews for this product, with an average rating of 5. Even though deleted reviews don't affect the average rating, the fact that action was taken to delete reviews raises some red flags about the integrity of the reviews for the product as whole.
There are a few limitations to keep in mind regarding the Deleted Reviews test:
- We don't have a magic ability to collect every single deleted review; we can only identify reviews as deleted if we collect them on one date and then notice they are no longer visible on a subsequent date.
- We have no information on reviews that were never published in the first place.
- We also don't know why these reviews were removed. It could be action from the platform, personal decision by the review author, part of an entire account closure, even some data error on our part, etc.
Pass
Rating Trend
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- 3%
- Created over 4 days
We counted 400 reviews for this product over the span of 3,172 days, an average of 0.1 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 2 or fewer reviews on any given day.
However, we see the following 4 days exceeding this threshold:In total, we found that 12 reviews were created on just 4 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass
Unverified Purchases
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19 of the 400 total reviews for this product are unverified purchases. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Unverified purchases may be the result of Kindle Unlimited readers, buyers who didn't pay full price, or reviewers who did not purchase the product at Amazon. Read more about our Unverified Purchases test.
Pass
Word Count Comparison
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- 0%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass
Phrase Repetition
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Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
22 of the 400 total reviews for this product use substantial repetitive phrases between them. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass
Reviewer Participation
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- 28%
- From reviewers with an overrepresented participation
We see the following 1 participation group with a statistically significant greater concentration than what we'd expect to see:In total, we found that 113 reviewers (or 28%) are within an overrepresented participation group. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass
Reviewer Ease
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The ease score is the average rating for all reviews that a given reviewer submits. The average ease score for reviewers of this product is 4, while the average ease score for reviewers in this category is 4.3.
4.0 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass
Brand Repeats
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Brand Repeaters
9 of the 400 reviewers have reviewed other products for this brand. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass
Incentivized Reviews
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On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
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- 0%
- Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.