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Amazon.com > Patio, Lawn & Garden > Pools, Hot Tubs & Supplies > Cleaning Tools & Chemicals > Chemicals & Water Testing Products > Chlorine
Vitabath Vita-c-bath Effervescent Vitamin C Dechlorination, 1000 mg, 100 Tablets
More product info
From Vitabath
This report was last updated 4/6/2022.
Refresh the report to view the most up-to-date data available:
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Top products in Chlorine with authentic reviews:
Report Card
Pass Overall Grade
FAIL 
Deleted Reviews
Deleted ReviewsFAIL Suspicious Reviewers
Suspicious ReviewersPASS Rating Trend
Rating TrendPASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Phrase Repetition
Phrase RepetitionPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsN/A Reviewer Participation
Reviewer Participation
Most Trusted Reviews
I read about this product in one of Dr. kines ... [Go to full review]
Jun 13, 2020
100%
TRUST
TRUST
-
Verified Purchaser
-
Take-Back Reviewer (10 deleted Reviews; avg. rating: 4.0) -
Overlapping Review History: reviewed 1 of 9 top products -
Critical Reviewer (avg. rating: 4.3)
Easy Grader (avg. rating: 4.8)
Contains repetitive phrases 
Least Trusted Reviews
Just some advice, there is citric acid in these and ... [Go to full review]
Apr 15, 2021
0%
TRUST
TRUST
-
Verified Purchaser
-
One-Hit Wonder -
Critical Reviewer (avg. rating: 1.0)
Unverified Purchaser
Overrepresented Participation (posted 20 Reviews)
Single-Day Reviewer (posted all reviews on Mar 21, 2015)
Analysis Details
Fail Deleted Reviews
Deleted Reviews
We discovered a total of 4 deleted Reviews for this product, with an average rating of 3.8. 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.
3.8 average rating of deleted reviews
Fail Suspicious Reviewers
Suspicious Reviewers
One-Hit Wonders
Less than approximately 10% of reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 1.0 while the reviewers who have posted more than one review have rated this product an average of 4.8. 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
Approximately 65% of reviewers have had at least one of their past reviews for another product deleted. This is an excessively large percentage of Take-Back Reviewers which may indicate unnatural reviews.
Pass Rating Trend
Rating Trend
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- <10%
- Created on high-volume days
We didn't notice any signals that would indicate reviews were created unevenly over time.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Pass Unverified Purchases
Unverified Purchases
9 of the 573 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
Word Count Comparison
-
- <10%
- 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
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
Less than approximately 10% of reviews 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 Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
<10% also reviewed:
StriVectin SD Intensive Concentrate For Wrinkles... by StriVectin
<10% also reviewed:
Neutrogena Microdermabrasion System Puff Refills,... by Neutrogena
<10% also reviewed:
Google Nest Learning Thermostat - Programmable... by Google
<10% also reviewed:
NOW Supplements, Super Enzymes, Formulated with... by NOW
<10% also reviewed:
LELO SORAYA Most Beautiful, Dual-Action, High... by LELO
<10% also reviewed:
Earthborn Feline Vantage 14 lbs by Earthborn Holistic
<10% also reviewed:
Dr. Bronner’s - Pure-Castile Liquid Soap (Baby... by Dr. Bronner's
<10% also reviewed:
Sports Research Vegan Biotin 2500mcg with Organic... by Sports Research
Does not include products
from the same brand
from the same brand
Approximately 25% of reviewers have substantial overlapping product review history. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Reviewer Ease
Reviewer Ease
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 4.3, while the average ease score for reviewers in this category is 4.4.
4.3 Product's Average Ease Score
4.4 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
Less than approximately 10% of 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
Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
-
- <10%
- 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.