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First and unique external heater for aquariums with the exclusive PTC (Positive Thermal Coefficient) technology
such as internal pores in live rock and to establish anoxic slime layers within all zones
Formula One is red and
Promotes true lionhead development normally not possible without feeding live foods while eliminating the parasite and bacterial problems normally associated with these types of foods
Also fits 1215 & 1217
Dr Tim's One and Only Freshwater 120ml (4oz) LIGHTING First and unique external heaterThe key to setting up a successful aquarium is to quickly convert the fish waste to a non toxic form. This is done by nitrifying bacteria. Under normal conditions it can take 30 to 45 days for these bacteria to become naturally established in a newly set up aquarium. Unfortunately, during this time period, ammonia and nitrite can increase to levels toxic to fish a common problem called New Tank Syndrome. DrTim's One & Only Nitrifying Bacteria are the