Heater Size

[Rorie]

What size heater for 40-70l aquariums?
200w too much?

 

[holidayinn]

With a 15g tank, prob best suited to one of the smallest Wattage heaters tbh, 200W is too much.

 

[Rorie]

Surly not te smallest wattage?!

 

[Tizer]

I would probably use a 50 or 75.

 

[Rorie]

Surly not te smallest wattage?!

 

[Tizer]

we go by 1 watt per litre. im sure you can work it out