Microbe-Lift Nite Out II for PondsEcological Laboratories Nite Out II is specifically made for ponds. This special formula is designed to eliminate ammonia through a natural biological process termed nitrification. The ingredients in Nite Out II will establish, promote, or stabilize and maintain nitrification in ponds which will eliminate toxic effects of ammonia. Initiates nitrification Provides stable cold weather nitrification Safe for use around animals and plants Please refer to