Pool Season 47251330 1 lb Non-Chlorine Shock Oxidizer 2

Pool Season 47251330 1 lb Non-Chlorine Shock Oxidizer 2" x 12"

Marsoni

M251S

$17.70

Get it in 3 business days with 1 day shipping. Friday, May 29

Pool Season 47251330 1 lb Non-Chlorine Shock Oxidizer 2" x 12"Oxygen based non chlorine shock that effectively removes contaminants (swimmers waste) and restores sparkle to pool water. Swim within 15 minutes after treatment. Ideal for all pool surfaces. Features: Non chlorine, non bleaching, pH neutral Can swim 15 minutes after treatment Returns sparkle to dull, flat water Helps eliminate unpleasant odors & conditions that cause eye irritation Should be used weekly Mild Odor Solubility: 250 g l 68 degreesF (20

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Definitely better than the old plugs that probably had 80k miles on them. The one star off is because I had a misfire after installing. Not sure if I damaged the plug or what, but a reinstall didn't fix the misfire. In my genius, I rushed to try to gap it and ended up breaking the iridium tip. Put the old plug into cylinder 3 (where the misfire was) and it was fine. Gonna have to get a new single tomorrow at my local shop, but a bit frustrating to get a misfire after install.

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Reviewed in the United States on April 27, 2026

Verified Purchase

Britincali

Louisville, US

★★★★★ 5

Upgrade from OEM

After seeing a quite ludicrous $403 quote to change 4 spark plugs in a Mazda3 I decided to show my son how easy it is. These were an upgrade from OEM parts. They were gapped perfectly for the car. They took 20mins to fit and work fine.

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Reviewed in the United States on February 11, 2026