$4.99 $9.99
Update [8/27]: The coupon is gone, so it's now $4.99.

Amazon has the HTH 52017 Shock Treatment Swimming Pool Chlorine Cleaner for $4.99 - 5% off coupon (clip coupon) = $4.74 with free shipping on $25 or with Prime. Increases the chlorine level in swimming pools to kill bacteria and algae.
$4.99 retail: $9.99
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Comments & Reviews (2)

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turtles
Ben's cred: 393
Posted 08/26/2020 at 03:17 PM PT
Posted 08/26/2020 at 03:17 PM PT
Priced too high, I shoot for $2 per pound.
Nivram
Ben's cred: 478
Posted 08/27/2020 at 04:41 AM PT
Posted 08/27/2020 at 04:41 AM PT
We have a BenMath situation here! $5, minus 5%, minus another 5% equals $4.74?

In other words: $5 * .95 * .95 = $4.51

BenMath....more confusing than Common Core!! ;)