Seachem Prime: Freshwater and Saltwater Conditioner Seachem Prime is a complete and concentrated conditioner designed for both freshwater and saltwater tanks

Built on decades of science and developed by a team of chemists and biologists, Prime reflects Seachem's hobbyist roots and commitment to education and support for aquarium keepers

When you add Prime to new water, it removes chlorine and chloramine, helping your biofilter begin to manage ammonia and nitrite more smoothly while these compounds are detoxified for 48 hours

Prime also detoxifies ammonia, nitrite, and heavy metals commonly found in tap water at typical concentrations, creating a more stable baseline for your fish and other inhabitants

What Prime Does Removes chlorine and chloramine on contact, allowing the biofilter to start processing ammonia and nitrite while they are detoxified for 48 hours Detoxifies ammonia, nitrite, and heavy metals at usual tap-water levels to support a safer transition for your fish Works in both freshwater and saltwater tanks, including community tanks and more sensitive setups straightforward dosing and a safety framework for routine water changes How to Use Prime For new or water, add 1 capful (5 mL) per 200 L (50 US gallons) For exceptionally high chloramine, a double dose may be used safely For smaller volumes, use 2 drops per gallon In emergencies, a 5x dose may be used for both ammonia and nitrite If water temperature exceeds 30 C (86 F) and chlorine or ammonia are low, use a half dose Why This Helps Your Aquarium Prime supports a smoother micro-ecosystem during water changes and tank maintenance

Its dual freshwater and saltwater use expands its versatility, making it a practical one-stop conditioner for many setups

About Seachem Seachem has been rooted in sound science for over three decades

A privately owned, hobbyist-driven company, Seachem emphasizes customer education and reliable performance, with products backed by practical testing and -world aquarium experience

FAQ Q: What is Seachem Prime used for

A: Seachem Prime is a conditioner for freshwater and saltwater tanks that removes chlorine and chloramine and detoxifies ammonia, nitrite, and metals

Q: How do I use Seachem Prime

A: Add 1 capful (5 mL) per 200 L (50 US gal) of new water; double for high chloramine; 2 drops per gallon for small volumes; 5x dose in emergencies