Photo 1 of iopool Smart Water Monitor - Works for Chlorine & Bromine Pools, Hot Tubs, & Swim Spas

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Photo 1 of iopool Smart Water Monitor - Works for Chlorine & Bromine Pools, Hot Tubs, & Swim SpasPhoto 2 of iopool Smart Water Monitor - Works for Chlorine & Bromine Pools, Hot Tubs, & Swim SpasPhoto 3 of iopool Smart Water Monitor - Works for Chlorine & Bromine Pools, Hot Tubs, & Swim Spas