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Dr. Tim’s -Ammonium Chloride Solution for Fishless Cycling

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Use with One & Only Bacteria

Product # 830 – 2 oz bottle

Product # 831 – 4 oz bottle

Product # 832 – 8 oz bottle

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This bottle of reagent grade ammonium chloride is for use when fishless cycling.

Concentration is 40 mg/ml of total ammonia-nitrogen (TAN).

Dose 4 drops per gallon of aquarium water.*  Use with One and Only Nitrifying Bacteria.

Generally during a fishless cycle you need to add ammonium chloride to your tank 3 times so:
a 2 ounce (60 ml) bottle will cycle 100 gallons (359 liters)
a 4 ounce (120 ml) bottle will cycle 200 gallons (757 liters)
a 8 ounce (480 ml) bottle will cycle 400 gallons (1,514 liters)
We stronly recommend downloading and followng our recipe for successful fishless cycling.
click below to download
Some conversions:
1 drop equals 0.05 ml
1 ml equals 20 drops
1 teaspoon equals about 5 ml which is 100 drops
1 tablespoon equals almost 15 ml which is 300 drops
*NOTE: As of November 1, 2016 we changed the concentration of the ammonium chloride solution so it now takes 4 drops per gallon.  The previous version called for 1 drop per gallon.  Please see the label on your bottle to determine how much to use.  If the bottle says use 1 drop use 1 drop if the bottle says use 4 drops use 4 drops.

2 oz bottle, 4 oz bottle, 8 oz bottle