Dura Shock (Dichlor).
Compare to lithium in strength and function.
Will not stain vinyl liners.
1 pound per 7,500 gallons.
Dura Shock 1 lbs.
$8.99
Dura Shock (Dichlor).
Compare to lithium in strength and function.
Will not stain vinyl liners.
1 pound per 7,500 gallons.