Protect your fish and stabilize your tank with one of the most trusted water conditioners in the hobby.

Seachem Prime is a concentrated, all in one solution that removes chlorine and chloramine while detoxifying ammonia, nitrite, and nitrate making your water safer instantly for both freshwater and saltwater systems.

Whether you're setting up a new tank or maintaining an established one, Prime helps reduce stress on fish and keeps your water parameters in check.

Why You’ll Love It

• Instantly removes chlorine and chloramine
• Detoxifies ammonia, nitrite, and nitrate
• Safe for both freshwater and saltwater tanks
• Highly concentrated formula a little goes a long way
• Helps reduce fish stress during water changes

Size Options

• 250 mL – Perfect for smaller tanks or quick treatments
• 500 mL – Best value for larger tanks and long term use

Pro Tip: The 500 mL size offers better value and lasts significantly longer.

How to Use

Add directly to aquarium water during setup or water changes.
Follow dosage instructions on the bottle based on your tank size.

Perfect For

• New tank setups
• Emergency ammonia spikes
• Routine water changes
• Freshwater and saltwater aquariums