Seachem Prime Aquarium Water Conditioner, 1 L – Chlorine and Contaminant Detoxifier

Seachem Prime is a concentrated freshwater and saltwater aquarium conditioner that treats tap water, with a 1 L bottle for removing chlorine and chloramine and detoxifying selected water contaminants.

• For freshwater and saltwater fish tanks — treat water for either aquarium type.
• Immediately and permanently removes chlorine and chloramine — prepare new or replacement water before adding it to the tank.
• Detoxifies ammonia, nitrite and heavy metals at typical tap-water concentration levels — address several contaminants with one conditioner.
• Detoxification lasts 48 hours while the biofilter can remove ammonia, nitrite and nitrate — support the tank’s biological filtration process.
• One capful (5 mL) treats 200 L (50 US gallons) — use the stated dose as a guide for water preparation.

Tap water can contain chlorine, chloramine and other substances that need to be managed before it is used in an aquarium. Seachem Prime is made for treating water during aquarium setup or water replacement, for keepers of freshwater and saltwater fish. Its dosing directions also cover smaller volumes and particular water conditions.

What does Seachem Prime treat in aquarium water?

Seachem Prime removes chlorine and chloramine and detoxifies ammonia, nitrite and heavy metals at typical concentrations found in tap water. Its treatment is designed to give the biofilter time to remove ammonia, nitrite and nitrate while the affected compounds are detoxified.

• The stated detoxification period is 48 hours.
• Chlorine and chloramine removal is immediate and permanent.

How much Seachem Prime should I use?

Use 1 capful (5 mL) for each 200 L (50 US gallons) of new or replacement water. For best results, add Seachem Prime to the new water first, then use that treated water for the aquarium.

• For smaller volumes, use 2 drops per gallon.
• For exceptionally high chloramine concentrations, a double dose may be used safely.
• In an emergency, a 5x dose may be used for ammonia and nitrite.
• Use a ½ dose when the water is above 30°C (86°F) and chlorine or ammonia levels are low.

Can I use Seachem Prime in freshwater and saltwater tanks?

Yes. Seachem Prime is formulated as a complete, concentrated conditioner for both freshwater and saltwater fish tanks. The same core purpose applies to either setup: treating new or replacement water to remove chlorine and chloramine and detoxify the specified contaminants.

• The product is supplied in a 1 L bottle.
• Its directions specify dosing by the volume of water being treated.

Seachem Prime suits aquarium keepers preparing tap water for freshwater or saltwater fish, including when replacing tank water or responding to ammonia and nitrite concerns. It is a water conditioner and detoxifier with dosing guidance for routine water treatment and specified exceptional conditions.