Running Carbon and Heating Question

[Eb0la11]

Originally Posted by globaldesigns

I run Kent Reef carbon in 2 bags. Each bag has .5 litre and I put one in each bubble trap area, running passively with the current in my sump.

for temp, I use a 300W heater, but use a digital thermometer... Keeping my tank stable at 78.

How big is your tank global? I forget...

I have a 300W as well, but is that enough for 200gallons of water? I mean my lights add heat too of course...