Category
Shock
8 products — ordered by how often we mention them.
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HTH 52037R Pool Shock Advanced Cal-Hypo Formula — 1 lb 12-Pack
Cal-hypo shock for breaking down organics and preventing chloramine buildup · A breakpoint or algae-shock branch when calcium hardness and the label dose allow it
$45.80
in 3 guides
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Calcium Hypochlorite Pool Shock
Dark green water, chlorine pools · Green water when the label and pool surface allow cal-hypo
$28.99
in 2 guides
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Clorox Pool&Spa XTRABLUE Plus Shock
Clorox-brand trust + label-claim swim-ready in 15 min
$49.99
in 1 guide
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Doheny's Super Pool Shock 68% Cal-Hypo
Breakpoint chlorination or green-pool recovery; multi-bag cost savings
$99.99
in 1 guide
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In The Swim Chlorine-Free Pool Shock (MPS)
Oxidize without raising FC; safe to swim ~15 min after dose
$35.99
in 1 guide
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In The Swim Pool Shock — 68% Cal-Hypo
One-shot dose for 15–25k gal pools
$49.99
in 1 guide
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In The Swim Sodium Dichlor Chlorine Shock
Slow-release shock; raises FC + CYA together
$139.99
in 1 guide
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Rx Clear Mega Shock 73% Cal-Hypo
Maximum-strength single dose; 73% available chlorine
$89.99
in 1 guide