EPA Registration Number 5185-509-45729

Check the listing for details. Natural Chemistry Spa Bromine Tablets 4.5Ib.. Condition: New. Listed at 62.99 USD. Spas: Before initially using this product in your spa or hot tub, you will need to add 1/2 oz. of sodium bromide for every 100 gallons of water. Adjust the tablet feeder or brominator to obtain an active bromine residual of at least 2 ppm.

$31.50
$62.99