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Seachem Prime 250ml Special Edition 30% Extra

Marsoni M251S
Sale price$14.75
Pay 4 payments of $3.69 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Seachem Prime 250ml Special Edition 30% ExtraSeachem Prime is a complete and concentrated conditioner for both fresh and salt water aquariums, to remove ammonia, chlorine and chloramine. It converts ammonia to a safe, non toxic product that is removed easily by the filter. It is ideal to use during water cycling to regulate ammonia and nitrate levels. Prime detoxifies nitrite and nitrate, allowing the biofilter to more efficiently remove them. It will also detoxify any heavy metals found in the
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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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4.2 ★★★★★
Based on 1625 reviews
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GINGER B.
Belleville, US
★★★★★ 5
Great product
Great product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
C
Verified Purchase
chris s
New York, US
★★★★★ 5
Fit Mercury 150 saltwater 2 stroke great!
These fit my Mercury 150 perfect. Took it out for a test run and engine ran great with no overheating issues.
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Reviewed in the United States on August 26, 2025
R
Verified Purchase
Robert Werkhoven
Carnegie, US
★★★★★ 5
Work’s okay
They work ok, as expected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025
R
Verified Purchase
Ron McCrea
Chelsea, US
★★★★★ 5
Just as good as OEM
Exactly what I expected...
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Reviewed in the United States on August 9, 2025
W
Verified Purchase
wes
Lexington, US
★★★★★ 5
Fit perfectly
Truly impressive, bought these and a set from a us boat supplier a thermostat made in the USA . They came with the gasket separate . I could not figure out how to put it together . I used these in my mercury optimax 135 hp . They fit perfectly and appear to be working great at a quarter the cost .
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Reviewed in the United States on August 29, 2024

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