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Seachem Prime Fresh and Saltwater Conditioner - Chemical Remover and Detoxifier

4.8 out of 5 stars 23,361 ratings

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Size: 500 mL
500 mL
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Brand Seachem
Liquid Volume 500 Milliliters
Item Weight 8.5 Ounces
Target Species Fish

About this item

  • POWERFUL TREATMENT: Seachem Prime is a complete and concentrated conditioner for both freshwater and saltwater fish tanks, working hard to remove chlorine and chloramine.
  • REMOVER: Seachem Prime immediately and permanently removes chlorine and chloramine, successfully allowing the bio filter to remove ammonia, nitrite, and nitrate while they are detoxified for 48 hours.
  • DETOXIFIER: Seachem Prime effectively detoxifies ammonia, nitrite, and heavy metals found in the tap water at typical concentration levels, providing a ideal environment for your betta, tetra, or other fish.
  • USE: Use 1 capful (5 mL) of Seachem Prime for each 200 L (50 US gallons) of new or replacement water. For best results, add Seachem Prime to new water first. For exceptionally high chloramine concentrations, a double dose may be used safely. For smaller volumes, use 2 drops per gallon.
  • SAFETY: In case of an emergency, the 5x dose of Seachem Prime may be used for both ammonia and nitrite. Use a ½ dose if the water temperature is > 30°C (86°F) and chlorine or ammonia levels are low.
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Frequently bought together

  • Seachem Prime Fresh and Saltwater Conditioner - Chemical Remover and Detoxifier
  • +
  • Seachem Stability Fish Tank Stabilizer - for Freshwater and Marine Aquariums 500 ml
  • +
  • Seachem StressGuard Slime Coat Protection - Stress and Toxic Ammonia Reducer 500 ml
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From the manufacturer

Product description

Size:500 mL

Seachem Prime is a complete and concentrated conditioner for both freshwater and saltwater fish tanks, working hard to remove chlorine and chloramine.

For over three decades, Seachem has been a company rooted in sound science. Our experience in the hobby and an educated staff of chemists and biologists are part of the package when you purchase Seachem products. Seachem remains as one of the few surviving independent and privately owned pet care companies. Seachem is owned and operated by
hobbyists. All of our employees are hobbyists who maintain aquariums at home and at the office. Seachem itself was started because one such passionate hobbyist - Dr. Leo G. Morin (Founder) - recognized that the available solutions to aquarists problem wanting. This resulted in Seachem’s very first product: Cupraplex (today known as Cupramine). Over thirty years later Seachem is still approaching old problems in a new way.

Seachem’s philosophy is that the knowledgeable hobbyist makes the best customer. This is reflected in solid and reliable customer education and support as well as products proven in science and performance. While Seachem has grown rapidly into a national and international firm, it retains the culture of a small company and is readily available to its customers.

Product details

Size:500 mL
  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 6.6 x 2.5 x 2.3 inches; 8.5 Ounces
  • Item model number ‏ : ‎ 116043304
  • Department ‏ : ‎ Men, women
  • Date First Available ‏ : ‎ June 20, 2004
  • Manufacturer ‏ : ‎ Seachem Laboratories, Inc.
  • ASIN ‏ : ‎ B00025694O
  • Country of Origin ‏ : ‎ USA
  • Customer Reviews:
    4.8 out of 5 stars 23,361 ratings

Compare with similar items


Seachem Prime Fresh and Saltwater Conditioner - Chemical Remover and Detoxifier
Seachem Stability Fish Tank Stabilizer - for Freshwater and Marine Aquariums 500 ml
API Stress Coat Water Conditioner, Makes tap Water Safe, Replaces fish's Protective Coat Damaged by handling or Fish Fighting, Use When Adding or Changing Water, Adding Fish and When Fish are Injured
Seachem Stability Fish Tank Stabilizer - For Freshwater and Marine Aquariums 250ml
API TAP Water Conditioner, Instantly neutralizes Chlorine, chloramines and Other Chemicals to Make tap Water Safe for Fish, Highly Concentrated, Use When Adding or Changing Water and When Adding Fish
API Stress Zyme Bacterial Cleaner, Freshwater and Saltwater Aquarium Water Cleaning Solution
Customer Rating 4.8 out of 5 stars (23361) 4.8 out of 5 stars (4588) 4.8 out of 5 stars (14403) 4.8 out of 5 stars (2697) 4.7 out of 5 stars (14457) 4.8 out of 5 stars (7498)
Price $20.44 $15.58 $7.49 $9.35 $6.99 $8.08
Shipping FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime
Sold By Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com
Item Dimensions 6.6 x 2.5 x 2.3 inches 7.6 x 2 x 1.5 inches 5 x 1 x 5 inches 6.1 x 1.8 x 1.2 inches 2.5 x 2.5 x 8.75 inches 10 x 10 x 10 inches

Customer Questions & Answers

Customer reviews

4.8 out of 5 stars
4.8 out of 5
23,361 global ratings

Top reviews from the United States

Reviewed in the United States on October 6, 2018
Size: 500 mLVerified Purchase
233 people found this helpful
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Reviewed in the United States on January 6, 2017
Size: 500 mLVerified Purchase
237 people found this helpful
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Reviewed in the United States on August 14, 2019
Size: 1 galVerified Purchase
65 people found this helpful
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Reviewed in the United States on February 25, 2016
Size: 500 mLVerified Purchase
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5.0 out of 5 stars Works Great!
By Dustin on February 25, 2016
Seachem Prime did a great job of detoxifying the high nitrite levels in my tank.
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229 people found this helpful
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Reviewed in the United States on March 5, 2018
Size: 500 mLVerified Purchase
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3.0 out of 5 stars Sealed but had a foul smell and had black specks! Replacement on the way
By Carmella on March 5, 2018
Original Review:
This is the first time I bought Prime from Seachem, I recently switched from Aqueon. I’ve had Seachem’s Stress Guard for a little over a year now and it works magic! But the Prime I received on the other hand I’m not so sure. I received the bottle sealed with foil. Upon opening, there was a foul odor. Since it was my first time using this I was not sure if that is how prime should smell like, but upon further examination, I look in the bottle and see these black specks. I went on the reviews and found one person had the same exact issue as me and they had more experience than I did with Seachem’s Prime and confirmed that, that was not normal. Same foul smelling liquid, same black specs. The person even put up a picture! It’s the same thing I saw in the bottle. I contacted customer service and they assured me that they will send a replacement and it will be arriving tomorrow, hoping the replacement is better. (I bought this product from “Amazon.com”)

The first two pictures is what it looks like when I look in the bottle and the third picture is what it looks like when I poured it into the cap.

Updated Review:
Apparently the foul odor and black specks are normal. I have contacted Seachem just to make sure that it is normal and to get a better understanding of what it is. Once I get a response from Seachem I will update this review.
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48 people found this helpful
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Reviewed in the United States on December 2, 2018
Size: 500 mLVerified Purchase
41 people found this helpful
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Top reviews from other countries

CHS
5.0 out of 5 stars Works a treat!!
Reviewed in the United Kingdom on May 12, 2018
Size: 500 mLVerified Purchase
33 people found this helpful
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Craig Ash-Chal
5.0 out of 5 stars WORKS LIKE A CHARM
Reviewed in the United Kingdom on September 18, 2018
Size: 500 mLVerified Purchase
18 people found this helpful
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Gudgie
4.0 out of 5 stars Saved my tank when used in combo with stability
Reviewed in the United Kingdom on October 29, 2019
Size: 100 mLVerified Purchase
9 people found this helpful
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Mickos
5.0 out of 5 stars The 999 liquid
Reviewed in the United Kingdom on July 18, 2018
Size: 250 mLVerified Purchase
14 people found this helpful
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Violet The Organ Grinder
5.0 out of 5 stars If using for detoxifying ammonia - read on!
Reviewed in the United Kingdom on February 24, 2021
Size: 500 mLVerified Purchase
4 people found this helpful
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