Ammonia solution, also known as ammonia water, ammonical liquor, ammonia liquor, aqua ammonia, aqueous ammonia, or (inaccurately) ammonia, is a solution of ammonia in water.
A 2032 (OTTO) Ammonia solution 0.04% Cas 1336-21-6 - used by aquarists for the purposes of fishless cycling, but this requires that there are no surfactants or scents, it should be colorless and shouldn't foam when shaken up.