Title: No difference whatsoever!
Product review: I've had this floating in my pool for just over 1 year and I must admit to not noticing the slightest difference since before it was used.I live in the tropics (Philippines) and my pool is used all year in HOT sunshine and tropical downpours. Without frequent addition of chemicals my pool will be green in 4 to 5 days!I know it's doing something because the copper element needs cleaning quite often, but as an alternative to chemicals......sorry.....didn't work!On the plus side.....at least it still floats!
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