c alfaro
✓
good blocks to keep water blue but doesn’t prevent stains
good blocks to keep water blue but doesn’t prevent stains
Price Range
$ 4 - $ 5.88
Use the power of bleach to remove stains and kill germs in the water every time you flush for around-the-clock protection.
WHITE KING
WHITE KING IN CISTERN BLOCK BLEACH AND BLUE 2X50G
4.7
10 reviews
5 star 8
4 star 1
3 star 1
2 star 0
1 star 0
Overall Sentiment Very Positive
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Receipt-Verified Reviews
All reviews are collected by invitation after a verified purchase and reflect real ownership across online and in-store transactions.
c alfaro
Mar 30, 2026
good blocks to keep water blue but doesn’t prevent stains
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Jessie Jeffrey Matias
Feb 19, 2026
White King Power Clean in a cistern — works well, leaves it sparkling clean with minimal effort.
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Karen
Dec 16, 2025
the best flush toilet block I used, so long lasting
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Donna Pedersen
Nov 5, 2025
these are brilliant, keeps my toilet clean and sparkly & smelling great. hardly any scrubbing
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Poppy Hewitt
Aug 8, 2025
Love these. They smell amazing and keep things clean.
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Francesco Marchi
Aug 3, 2025
White King power clean in cistern bleach & blue keep the toilet clean at all times and stains away as well, can't fault the product, maybe if it had a scent of a nice smell could be good,other than that algood.
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