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Pet Supplies

SunGrow Pleco, Snail & Crayfish Balls, Calcium-Rich Balls for Perfect Balance, Make Fish Fins' Vivid and Vibrant, 20 Pcs

Pet Supplies4.1· 120 Amazon ratings

Bias-adjusted across 120 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Pet Supplies.

19.1%
Percentile · Global
17.4%
Percentile · Cohort
Pet Supplies
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SunGrow Pleco, Snail & Crayfish Balls, Calcium-Rich Balls for Perfect Balance, Make Fish Fins' Vivid and Vibrant, 20 Pcs

How the score was built

Amazon ratings
120

used for the Bayesian percentile

Raw star average
4.1 / 5

unadjusted Amazon mean

Bayesian avg
4.19

raw rating shrunk to the category prior

Reviewer-graph z
-0.707

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Pet Supplies

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