★★★★★ 5
Worked perfectly
Excellent product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
Yellowtrine Mustard Algae Remover by Applied Biochemists | 3 lbs | 408622
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Yellowtrine Mustard Algae Remover by Applied Biochemists | 3 lbs | 408622Tackle stubborn yellow and mustard algae head on with Applied Biochemists Yellowtrine Algaecide. This granular treatment dissolves rapidly in water, lifting algae deposits from pool surfaces without leaving behind any unwanted residue. Engineered for universal pool compatibility, it works seamlessly alongside chlorine, bromine, saltwater, ozone, and mineral based sanitizing systems. Pool access can typically be restored within just a few hours after
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 562 reviews
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Product Reviews
★★★★★ 4
Check the gap!
Plugs work great. I will say for those reviews saying they got a dud. CHECK THE GAP!!! Both plugs were not at 0.030 as advertised. I gapped the plug and it worked perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
Great
Needed one for my mower, got a box of 2. Works great!
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Reviewed in the United States on May 20, 2026
★★★★★ 3
Didn’t work well in my B&S engine
Worked for 15 minutes. Repeatedly stalled. Replaced with name brand and ran like new.
UPDATE. Seller immediately offered refund well outside refund window of opportunity. That’s nice to have someone stand behind their product
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Lawnmower sparkplug
Worked great, easy to install, fast replacement. And 2 for the price of one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
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