Seachem Safe – Dry Water Conditioner for Freshwater & Marine Aquariums (250g)

Seachem Safe is the most concentrated water conditioner available, designed to treat massive volumes of water with a small amount of product. It removes chlorine, chloramine, and detoxifies ammonia, nitrite, and nitrate, making it ideal for large aquariums, fish rooms, and pond systems.

Unlike liquid conditioners, Safe is a dry powder that offers unmatched value and shelf life. It is non-acidic, will not affect pH, and is safe for all aquatic life including fish, invertebrates, and plants. It can be used during tank cycling to reduce toxicity and support biofilter development.

Key Features:

• Super-concentrated dry formula – treats up to 240,000 liters (60,000 gallons)
• Removes chlorine, chloramine, and detoxifies ammonia, nitrite, and nitrate
• Safe for freshwater, marine, reef, and planted aquariums
• non-acidic – will not alter pH or affect skimmers
• Ideal for tank cycling, water changes, and emergency detoxification

Product Specifications:

• Brand: Seachem
• Weight: 250g
• Form: Powder
• Country of Origin: United States

Directions for Use:

• To remove chlorine/chloramine: Use 200 mg per 200 L (50 US gallons)
• To detoxify ammonia: Use 200 mg per 50 L (13 US gallons)
• For emergencies (nitrite/nitrate): Up to 4× normal dose may be used
• Use 1.25 g (¼ tsp) per 1,250 L (300 US gallons) for chlorine/chloramine
• Best added to new water before introduction to the tank

Pro Tips:

• Do not pre-mix and store in liquid form – Safe lacks stabilizers
• Use Seachem Digital Spoon Scale for precise dosing
• Safe is the dry version of Seachem Prime® – more economical for large systems