Teco TK 2000 TK 2000H is with heater included:TK 2000H Zinc is a component of

Zinc is a component of many enzymes that are responsible

Product intended for aquarium use only

AF Natural Substrate is a nutrient rich

Dosage should be determined by your water test results and corals daily consumption

therefore its supplementation is necessary

Teco TK 2000 TK 2000H is with heater included:TK 2000H Zinc is a component ofEfficient Cooling Technology The exclusive use of high quality and internationally accepted and of the titanium heat exchanger, ensures high performance and low energy consumption. The set of technologies used allow you to achieve the highest COP coefficient of performance and the lowest noise levels Digital Thermostat he setting of functions is intuitive and the temperature reading is accurate, resolution 0. 1C 1F. The setting range is 5C 30C (41F