Dr Tims Ammonium Chloride Solution 4oz Dr.Tim's Ammonium Chloride is made up of reagent grade materials and is perfect for fishless cycles in reef aquariums. Odourless Pure Ammonium Chloride No Unnecessary Additives Works Great With Dr.Tim's One & Only Ammonium Chloride can be used to simulate organic matter that would naturally break down into ammonia.
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