i bought 2 the unit that comes with the system and a replacement to have a total of 700watts at once. my tank is 200 gallon with the sump volume maybe 210 i cant get a single heater to get the tank over 21.1-21.5 celsius with the second 300 watt heater in it still cant get above 21 degrees the heaters are constantly on to keep a temp of 21. i may going to try switching to 500 watt heaters and see if i can get the tank to 25.5 celsius 78 fahrenheit where the tank temp should be. if you system is this size i recommend getting the 500 watts heaters to start or the 1000 watt heater if you only want to have one heating element in the tank.
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Videgrain on24 Фев 2011, 5:19 PM
très bon produit
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ghiller Гостьon24 Фев 2011, 2:41 PM
Funciona muy bien
No es muy preciso pero funciona bien. Una buena compra
