CO2 - stable pH question

[ian_m]

Do you get lower watt heaters if you have 2?

Yes Hydor do 200W in 12mm & 16mm and 300W in 16mm.

http://www.hydor.com/eng/prodotti-tecnici/heaters/heater-for-external-canister-filters.php

 

[Zeus.]

Do you get lower watt heaters if you have 2?

Shouldn't matter having too powerful heaters as long as the heaters thermasat doesnt get stuck in the on position- which can happen. So geting lower power ones has its advantages